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Knight Capital Group LLC – ‘10-Q’ for 6/30/11 – ‘EX-101.SCH’

On:  Tuesday, 8/9/11, at 4:02pm ET   ·   For:  6/30/11   ·   Accession #:  1193125-11-216460   ·   File #:  1-14223

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  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 8/09/11  Knight Capital Group LLC          10-Q        6/30/11   89:8.1M                                   Donnelley … Solutions/FA

Quarterly Report   —   Form 10-Q   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML    792K 
 2: EX-31.1     Certification of Chief Executive Officer Pursuant   HTML     33K 
                to Section 302                                                   
 3: EX-31.2     Certification of Chief Financial Officer Pursuant   HTML     33K 
                to Section 302                                                   
 4: EX-32.1     Certification of Chief Executive Officer Pursuant   HTML     28K 
                to Section 906                                                   
 5: EX-32.2     Certification of Chief Financial Officer Pursuant   HTML     28K 
                to Section 906                                                   
18: R1          Document and Entity Information                     HTML     46K 
78: R2          Consolidated Statements of Operations               HTML    133K 
13: R3          Consolidated Statements of Financial Condition      HTML    139K 
14: R4          Consolidated Statements of Financial Condition      HTML     42K 
                (Parenthetical)                                                  
64: R5          Consolidated Statements of Cash Flows               HTML    180K 
37: R6          Organization and Description of the Business        HTML     40K 
71: R7          Significant Accounting Policies                     HTML     83K 
28: R8          Fair Value of Financial Instruments                 HTML    168K 
38: R9          Collateralized Transactions                         HTML     35K 
45: R10         Receivable from and Payable to Brokers, Dealers     HTML     40K 
                and Clearing Organizations                                       
57: R11         Investments                                         HTML     39K 
22: R12         Goodwill and Intangible Assets                      HTML    100K 
35: R13         Long-Term Debt                                      HTML     65K 
30: R14         Comprehensive Income                                HTML     45K 
33: R15         Stock-Based Compensation                            HTML     78K 
72: R16         Income Taxes                                        HTML     46K 
27: R17         Writedown Of Assets And Lease Loss Accrual          HTML     30K 
53: R18         Discontinued Operations                             HTML     58K 
31: R19         Earnings Per Share                                  HTML     58K 
77: R20         Significant Clients                                 HTML     30K 
58: R21         Commitments and Contingent Liabilities              HTML     72K 
65: R22         Financial Instruments with Off-Balance Sheet Risk   HTML     34K 
                and Concentrations of Credit Risk                                
17: R23         Business Segments                                   HTML     64K 
68: R24         Subsequent Event                                    HTML     33K 
26: R25         Significant Accounting Policies (Policy)            HTML    137K 
20: R26         Significant Accounting Policies (Tables)            HTML     46K 
23: R27         Fair Value of Financial Instruments (Tables)        HTML    156K 
47: R28         Receivable from and Payable to Brokers, Dealers     HTML     39K 
                and Clearing Organizations (Tables)                              
63: R29         Investments (Tables)                                HTML     38K 
52: R30         Goodwill and Intangible Assets (Tables)             HTML     98K 
40: R31         Long-Term Debt (Tables)                             HTML     44K 
34: R32         Comprehensive Income (Tables)                       HTML     40K 
50: R33         Stock-Based Compensation (Tables)                   HTML     72K 
76: R34         Income Taxes (Tables)                               HTML     40K 
29: R35         Discontinued Operations (Tables)                    HTML     55K 
79: R36         Earnings Per Share (Tables)                         HTML     55K 
89: R37         Commitments and Contingent Liabilities (Tables)     HTML     60K 
25: R38         Organization and Description of the Business        HTML     30K 
                (Details)                                                        
61: R39         Significant Accounting Policies (Narrative)         HTML     29K 
                (Details)                                                        
39: R40         Significant Accounting Policies (Schedule of        HTML     30K 
                Interest Income and Interest Expense) (Details)                  
51: R41         Significant Accounting Policies (Component of Net   HTML     34K 
                Trading Revenue Includes Dividend Income and                     
                Expense) (Details)                                               
46: R42         Fair Value of Financial Instruments (Narrative)     HTML     32K 
                (Details)                                                        
24: R43         Fair Value of Financial Instruments (Financial      HTML    106K 
                Assets and Liabilities Measured at Fair Value on a               
                Recurring Basis) (Details)                                       
66: R44         Fair Value of Financial Instruments (Fair Value of  HTML     46K 
                Derivative Instruments Effect of Changes in Fair                 
                Value on Statements of Operations) (Details)                     
86: R45         Fair Value of Financial Instruments (Fair Value of  HTML     52K 
                Derivative Instruments Gain (Loss) Recognized)                   
                (Details)                                                        
87: R46         Collateralized Transactions (Details)               HTML     45K 
21: R47         Receivable from and Payable to Brokers, Dealers     HTML     46K 
                and Clearing Organizations (Schedule of Amounts                  
                Receivable from and Payable to Brokers, Dealers                  
                and Clearing Organizations) (Details)                            
19: R48         Investments (Summary of Investments) (Details)      HTML     42K 
83: R49         Goodwill and Intangible Assets (Narrative)          HTML     45K 
                (Details)                                                        
12: R50         Goodwill and Intangible Assets (Goodwill and        HTML     38K 
                Intangible Assets, Net of Accumulated                            
                Amortization) (Details)                                          
43: R51         Goodwill and Intangible Assets (Intangible Assets,  HTML     53K 
                Net of Accumulated Amortization) (Details)                       
36: R52         Goodwill and Intangible Assets (Amortization        HTML     31K 
                Expense) (Details)                                               
16: R53         Goodwill and Intangible Assets (Estimated           HTML     45K 
                Amortization Expense) (Details)                                  
88: R54         Long-Term Debt (Narrative) (Details)                HTML    148K 
73: R55         Long-Term Debt (Summary Of Long-Term Debt)          HTML     38K 
                (Details)                                                        
54: R56         Long-Term Debt (Schedule of Recorded Expenses with  HTML     36K 
                Respect to Notes) (Details)                                      
84: R57         Comprehensive Income (Schedule of Comprehensive     HTML     45K 
                Income) (Details)                                                
41: R58         Stock-Based Compensation (Narrative) (Details)      HTML     45K 
74: R59         Stock-Based Compensation (Employee Compensation     HTML     32K 
                and Benefits, Restricted Awards) (Details)                       
42: R60         Stock-Based Compensation (Summary of Restricted     HTML     58K 
                Awards Activity) (Details)                                       
56: R61         Stock-Based Compensation (Compensation Expense      HTML     33K 
                Relating to Stock Options) (Details)                             
49: R62         Stock-Based Compensation ( Summary of Stock Option  HTML     60K 
                Activity) (Details)                                              
60: R63         Income Taxes (Schedule Of Reconciliation Of         HTML     43K 
                Federal Statutory Income Tax Rate to the Company's               
                Actual Income Tax Rate From Continuing Operations                
                (Details)                                                        
44: R64         Writedown Of Assets And Lease Loss Accrual          HTML     30K 
                (Details)                                                        
59: R65         Discontinued Operations (Schedule of Losses from    HTML     47K 
                Discontinued Operations Net of Tax) (Details)                    
48: R66         Discontinued Operations (Schedule of Discontinued   HTML     44K 
                Operations Assets and Liabilities Recorded in                    
                Other Assets and Accrued Expenses and Other                      
                Liabilities) (Details)                                           
85: R67         Earnings Per Share (Narrative) (Details)            HTML     33K 
70: R68         Earnings Per Share (Schedule of Calculation of      HTML     62K 
                Numerator and Denominator in Earnings Per Share)                 
                (Details)                                                        
75: R69         Significant Clients (Details)                       HTML     31K 
62: R70         Commitments and Contingent Liabilities (Narrative)  HTML     39K 
                (Details)                                                        
15: R71         Commitments and Contingent Liabilities (Schedule    HTML     58K 
                of Lease and Contract Obligations) (Details)                     
69: R72         Commitments and Contingent Liabilities (Fair Value  HTML     30K 
                of Assets or Liability on Future Contract)                       
                (Details)                                                        
32: R73         Commitments and Contingent Liabilities (Schedule    HTML     30K 
                of Realized Gain (Loss) on Future Contracts)                     
                (Details)                                                        
55: R74         Business Segments (Income (Loss) from Continuing    HTML     49K 
                Operations before Income Taxes (Pre-tax Earnings)                
                and Total Assets by Segment) (Details)                           
81: R75         Subsequent Event (Details)                          HTML     35K 
80: XML         IDEA XML File -- Filing Summary                      XML    154K 
82: EXCEL       IDEA Workbook of Financial Reports (.xls)            XLS   1.32M 
 6: EX-101.INS  XBRL Instance -- kcg-20110630                        XML   2.19M 
 8: EX-101.CAL  XBRL Calculations -- kcg-20110630_cal                XML    194K 
 9: EX-101.DEF  XBRL Definitions -- kcg-20110630_def                 XML    400K 
10: EX-101.LAB  XBRL Labels -- kcg-20110630_lab                      XML   1.05M 
11: EX-101.PRE  XBRL Presentations -- kcg-20110630_pre               XML    830K 
 7: EX-101.SCH  XBRL Schema -- kcg-20110630                          XSD    185K 
67: ZIP         XBRL Zipped Folder -- 0001193125-11-216460-xbrl      Zip    165K

‘EX-101.SCH’   —   XBRL Schema — kcg-20110630

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<link:definition> 30203 - Disclosure - Significant Accounting Policies (Tables) </link:definition>
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<link:definition> 30703 - Disclosure - Goodwill and Intangible Assets (Tables) </link:definition>
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<link:definition> 30903 - Disclosure - Comprehensive Income (Tables) </link:definition>
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<link:definition> 31403 - Disclosure - Earnings Per Share (Tables) </link:definition>
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<link:definition> 31603 - Disclosure - Commitments and Contingent Liabilities (Tables) </link:definition>
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<link:definition> 40201 - Disclosure - Significant Accounting Policies (Narrative) (Details) </link:definition>
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<link:definition> 40202 - Disclosure - Significant Accounting Policies (Schedule of Interest Income and Interest Expense) (Details) </link:definition>
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<link:definition> 40203 - Disclosure - Significant Accounting Policies (Component of Net Trading Revenue Includes Dividend Income and Expense) (Details) </link:definition>
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<link:definition> 40302 - Disclosure - Fair Value of Financial Instruments (Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) </link:definition>
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<link:definition> 40303 - Disclosure - Fair Value of Financial Instruments (Fair Value of Derivative Instruments Effect of Changes in Fair Value on Statements of Operations) (Details) </link:definition>
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<link:definition> 40401 - Disclosure - Collateralized Transactions (Details) </link:definition>
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<link:definition> 40701 - Disclosure - Goodwill and Intangible Assets (Narrative) (Details) </link:definition>
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<link:definition> 40703 - Disclosure - Goodwill and Intangible Assets (Intangible Assets, Net of Accumulated Amortization) (Details) </link:definition>
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<link:definition> 40704 - Disclosure - Goodwill and Intangible Assets (Amortization Expense) (Details) </link:definition>
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<link:definition> 40801 - Disclosure - Long-Term Debt (Narrative) (Details) </link:definition>
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<link:definition> 41001 - Disclosure - Stock-Based Compensation (Narrative) (Details) </link:definition>
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<link:definition> 41002 - Disclosure - Stock-Based Compensation (Employee Compensation and Benefits, Restricted Awards) (Details) </link:definition>
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<link:definition> 41401 - Disclosure - Earnings Per Share (Narrative) (Details) </link:definition>
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<link:definition> 41601 - Disclosure - Commitments and Contingent Liabilities (Narrative) (Details) </link:definition>
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<link:definition> 41801 - Disclosure - Business Segments (Income (Loss) from Continuing Operations before Income Taxes (Pre-tax Earnings) and Total Assets by Segment) (Details) </link:definition>
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<element id="kcg_ScheduleOfIntangibleAssetsAndGoodwillNetOfAccumulatedAmortizationTableTextBlock" name="ScheduleOfIntangibleAssetsAndGoodwillNetOfAccumulatedAmortizationTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_EffectOfDilutiveStockBasedAwardsShares" name="EffectOfDilutiveStockBasedAwardsShares" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_EffectOfDilutiveStockBasedAwardsNetIncome" name="EffectOfDilutiveStockBasedAwardsNetIncome" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="kcg_FiccMember" name="FiccMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_CorporateMember" name="CorporateMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_TrimarkBuisinessMember" name="TrimarkBuisinessMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_UrbanBuisinessMember" name="UrbanBuisinessMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_LibertasBuisinessMember" name="LibertasBuisinessMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_ValubondBuisinessMember" name="ValubondBuisinessMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_HotspotBuisinessMember" name="HotspotBuisinessMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_KelloggDmmLmmBuisinessMember" name="KelloggDmmLmmBuisinessMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_AstorBuisinessMember" name="AstorBuisinessMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_EdgetradeBuisinessMember" name="EdgetradeBuisinessMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_DirectTradingBuisinessMember" name="DirectTradingBuisinessMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_KnightRoundtableEuropeMember" name="KnightRoundtableEuropeMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_DonaldsonBusinessMember" name="DonaldsonBusinessMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_TradetechBusinessMember" name="TradetechBusinessMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_OtherBusinessMember" name="OtherBusinessMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_CustomerAndBrokerRelationshipsMember" name="CustomerAndBrokerRelationshipsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_DeferredCompensationInvestments" name="DeferredCompensationInvestments" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="kcg_LoanInventoryMember" name="LoanInventoryMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_SecuritizedLoanInventoryMember" name="SecuritizedLoanInventoryMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_DeferredCompensationInvestmentsMember" name="DeferredCompensationInvestmentsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_InvestmentInDeephavenFundsMember" name="InvestmentInDeephavenFundsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_ShareBasedCompensationUnvestedRestrictedAwardsOutstandingUnamortized" name="ShareBasedCompensationUnvestedRestrictedAwardsOutstandingUnamortized" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="kcg_CostOfUnvestedAwardsExpectedToBeRecognizedOverWeightedAverageLife" name="CostOfUnvestedAwardsExpectedToBeRecognizedOverWeightedAverageLife" nillable="true" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForFutureGrantsInPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForFutureGrantsInPeriod" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant"/>
<element id="kcg_NumberOfCurrencyPairs" name="NumberOfCurrencyPairs" nillable="true" type="xbrli:positiveIntegerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_LongAndShortListedEquityOptionContracts" name="LongAndShortListedEquityOptionContracts" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="kcg_LongListedEquityOptionContracts" name="LongListedEquityOptionContracts" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="kcg_ShortListedEquityOptionContracts" name="ShortListedEquityOptionContracts" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="kcg_AssetsFromContinuingOperationsBeforeIncomeTaxes" name="AssetsFromContinuingOperationsBeforeIncomeTaxes" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="kcg_SubleaseIncomeMember" name="SubleaseIncomeMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_NetLeaseObligationsMember" name="NetLeaseObligationsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_FairValueOfAssetsOrLiabilityOnFutureContractTableTextBlock" name="FairValueOfAssetsOrLiabilityOnFutureContractTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_FuturesContractsMember" name="FuturesContractsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_CollateralizedAgreementsAndFinancingsPolicyTextBlock" name="CollateralizedAgreementsAndFinancingsPolicyTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_SecuritizationActivitiesPolicyTextBlock" name="SecuritizationActivitiesPolicyTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_TreasuryStockPolicyTextBlock" name="TreasuryStockPolicyTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_SoftDollarExpensePolicyTextBlock" name="SoftDollarExpensePolicyTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_DepreciationAmortizationAndOccupancyPolicyTextBlock" name="DepreciationAmortizationAndOccupancyPolicyTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_ComponentOfNetTradingRevenueTableTextBlock" name="ComponentOfNetTradingRevenueTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_ScheduleOfDiscontinuedOperationsAssetsAndLiabilitiesRecordedInOtherAssetsAndAccruedExpensesAndOtherLiabilitiesTableTextBlock" name="ScheduleOfDiscontinuedOperationsAssetsAndLiabilitiesRecordedInOtherAssetsAndAccruedExpensesAndOtherLiabilitiesTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_DeferredCompensationAndOtherAssetsRelatedToDiscontinuedOperations" name="DeferredCompensationAndOtherAssetsRelatedToDiscontinuedOperations" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="kcg_AccruedExpensesAndOtherLiabilitiesRelatedToDiscontinuedOperation" name="AccruedExpensesAndOtherLiabilitiesRelatedToDiscontinuedOperation" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit"/>
<element id="kcg_AccruedCompensationExpenseRelatedToDiscontinuedOperations" name="AccruedCompensationExpenseRelatedToDiscontinuedOperations" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit"/>
<element id="kcg_ScheduleOfRecordedExpensesWithRespectToNoteTableTextBlock" name="ScheduleOfRecordedExpensesWithRespectToNoteTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_NotesRelatedExpenses" name="NotesRelatedExpenses" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="kcg_PrivateCompaniesInvestmentsLessThanTwentyPercentageEquityOwnershipHeldAtAdjustedCost" name="PrivateCompaniesInvestmentsLessThanTwentyPercentageEquityOwnershipHeldAtAdjustedCost" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="kcg_StrategicInvestments" name="StrategicInvestments" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="kcg_InvestmentInFunds" name="InvestmentInFunds" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="kcg_PledgeAssetsOwnedToCounterpartiesIncludedInFinancialInstrumentsAtFairValue" name="PledgeAssetsOwnedToCounterpartiesIncludedInFinancialInstrumentsAtFairValue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="kcg_RepurchaseAgreementsAndOtherSecuredFinancingsMaturityPeriod" name="RepurchaseAgreementsAndOtherSecuredFinancingsMaturityPeriod" nillable="true" type="xbrli:positiveIntegerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant"/>
<element id="kcg_NotesConvertibleBasedOnInitialConversionRateOfShares" name="NotesConvertibleBasedOnInitialConversionRateOfShares" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_InitialConversionPremiumOverClosingSale" name="InitialConversionPremiumOverClosingSale" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_PercentageOfPriceEqualToPrincipalAmountOfNotes" name="PercentageOfPriceEqualToPrincipalAmountOfNotes" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_AmountPaidToEnterIntoPrivatelyNegotiatedCashConvertibleNoteHedgeTransactions" name="AmountPaidToEnterIntoPrivatelyNegotiatedCashConvertibleNoteHedgeTransactions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="kcg_NumberOfSharesSubjectToAdjustmentOfCommonStock" name="NumberOfSharesSubjectToAdjustmentOfCommonStock" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_ClosingSalePriceOfCommonStockOnNasdaq" name="ClosingSalePriceOfCommonStockOnNasdaq" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_NumberOfOperatingSegment" name="NumberOfOperatingSegment" nillable="true" type="xbrli:positiveIntegerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_TotalMember" name="TotalMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_LeaseLossAccrualBenefitNetPolicyTextBlock" name="LeaseLossAccrualBenefitNetPolicyTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_ComponentsOfRevenueAxis" name="ComponentsOfRevenueAxis" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" xbrli:periodType="duration"/>
<element id="kcg_ComponentsOfRevenueDomain" name="ComponentsOfRevenueDomain" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_NotionalValueOfFuturesContract" name="NotionalValueOfFuturesContract" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="kcg_FairValueOfFuturesContract" name="FairValueOfFuturesContract" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="kcg_WritedownOfAssetsAndLeaseLossAccrualAbstract" name="WritedownOfAssetsAndLeaseLossAccrualAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration"/>
<element id="kcg_WritedownOfAssetsAndLeaseLossAccrualTextBlock" name="WritedownOfAssetsAndLeaseLossAccrualTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_WritedownOfAssetsAndLeaseLossAccrualAxis" name="WritedownOfAssetsAndLeaseLossAccrualAxis" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" xbrli:periodType="duration"/>
<element id="kcg_WritedownOfAssetsAndLeaseLossAccrualDomain" name="WritedownOfAssetsAndLeaseLossAccrualDomain" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_DiscontinuationOfLibertasTradeNameMember" name="DiscontinuationOfLibertasTradeNameMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_WritedownOfAssetsAndLeaseLossAccrualTable" name="WritedownOfAssetsAndLeaseLossAccrualTable" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" xbrli:periodType="duration"/>
<element id="kcg_ExcessRealEstateCapacityMember" name="ExcessRealEstateCapacityMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_LineOfCreditFacilityInterestRateComponentsAxis" name="LineOfCreditFacilityInterestRateComponentsAxis" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" xbrli:periodType="duration"/>
<element id="kcg_LineOfCreditFacilityInterestRateComponentsDomain" name="LineOfCreditFacilityInterestRateComponentsDomain" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_LiborMember" name="LiborMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_BaseRateMember" name="BaseRateMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_BorrowingBaseLoanMember" name="BorrowingBaseLoanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_BorrowingBaseBLoanMember" name="BorrowingBaseBLoanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_BorrowingsTermLength" name="BorrowingsTermLength" nillable="true" type="xbrli:positiveIntegerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant"/>
<element id="kcg_LineOfCreditFacilityInterestRate" name="LineOfCreditFacilityInterestRate" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant"/>
<element id="kcg_LineOfCreditFacilityMarginInterestRate" name="LineOfCreditFacilityMarginInterestRate" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant"/>
<element id="kcg_LineOfCreditFacilityPeriodPaymentFirstInstallment" name="LineOfCreditFacilityPeriodPaymentFirstInstallment" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="kcg_LineOfCreditFacilityPeriodPaymentSecondInstallment" name="LineOfCreditFacilityPeriodPaymentSecondInstallment" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="kcg_LineOfCreditFacilityPeriodPaymentFinalInstallment" name="LineOfCreditFacilityPeriodPaymentFinalInstallment" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="kcg_PayableToGnmaTrust" name="PayableToGnmaTrust" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit"/>
<element id="kcg_IncreaseDecreasInPayableToGnmaTrust" name="IncreaseDecreasInPayableToGnmaTrust" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="kcg_ConvertibleSeniorSubordinatedNotesMember" name="ConvertibleSeniorSubordinatedNotesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_LiabilityToGnmaTrustsMember" name="LiabilityToGnmaTrustsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_ReductionOfWorkforcePercentage" name="ReductionOfWorkforcePercentage" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant"/>
<element id="kcg_CancellationOfReplacementHiresNumber" name="CancellationOfReplacementHiresNumber" nillable="true" type="xbrli:positiveIntegerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant"/>
<element id="kcg_WriteDownLeaseAndContractTerminationMember" name="WriteDownLeaseAndContractTerminationMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_CapitalizedSoftwareAndIntangibleAssetWritedownMember" name="CapitalizedSoftwareAndIntangibleAssetWritedownMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="kcg_PercentageOfCommonStockSubjectToAdjustmentOfPremiumOverClosingPrice" name="PercentageOfCommonStockSubjectToAdjustmentOfPremiumOverClosingPrice" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant"/>
</schema>

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