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MRK

Rule 605 Market Center Comparison
Report Month: 202608 • Build ID: 202608-20261001T134852Z • Market Centers: 181 • Total Executed Volume: 47,889,793 shares
Listing (Nasdaq Trader)
Exchange: NYSE (N)
Round Lot: 100 shares

Market Center Execution Quality on MRK

Sorted by total executed share volume across all order classes for month 202608.

Market CenterClassCovered OrdersCovered SharesExecuted SharesShare of VolFill RatePI RateNPI (bps)Eff Spread %Speed <1s
XNYS(XNYS)marketable_limit276,72048,315,90714,752,54530.8%30.5%13.2%0.1 bps0.03%100.0%
ARCX(ARCX)marketable_limit237,90034,984,9916,408,66113.4%18.3%13.9%-0.0 bps0.04%100.0%
Cboe BZX Exchange(BATS)marketable_limit968,933112,106,6523,735,8707.8%3.3%8.7%-11.1 bps0.62%77.7%
Virtu Americas LLC(NITE)market50,8293,469,3972,968,2786.2%85.6%88.2%2.0 bps0.02%99.6%
G1 Execution Services(ETMM)market34,4092,892,8652,892,8656.0%100.0%88.9%1.3 bps0.03%99.4%
HRT Financial LP(HRTF)market24,9232,179,5752,090,6174.4%95.9%95.0%1.8 bps0.02%100.0%
Cboe EDGX Exchange(EDGK)marketable_limit744,44983,499,6951,909,1054.0%2.3%13.3%-11.2 bps0.89%79.7%
Investors Exchange(IEXG)marketable_limit105,92113,739,2971,780,1223.7%13.0%21.9%0.2 bps0.03%99.8%
JANE STREET CAPITAL, LLC(JNST)market15,9331,464,2291,214,6232.5%83.0%81.6%1.1 bps0.03%100.0%
TWO SIGMA SECURITIES, LLC(SOHW)market8,833863,457863,4571.8%100.0%82.0%1.3 bps0.03%93.2%
INTERACTIVE BROKERS LLC(IBAT)marketable_limit8,763692,620671,7401.4%97.0%84.9%2.3 bps0.03%100.0%
VIRTU AMERICAS LLC(NITQ)marketable_limit7,3891,979,755588,6061.2%29.7%13.3%0.0 bps0.05%100.0%
HRT FINANCIAL LP(HRTS)marketable_limit6,0131,129,148555,2561.2%49.2%56.6%0.1 bps0.04%100.0%
Instinct X(MLIX)marketable_limit113,70815,131,281540,9741.1%3.6%23.7%0.1 bps0.05%99.8%
INTERACTIVE BROKERS LLC(IBBD)marketable_limit0467,184463,0021.0%99.1%84.5%1.8 bps0.03%49.6%
JANE STREET CAPITAL, LLC(JSJX)marketable_limit3,2591,470,934448,5880.9%30.5%16.7%0.1 bps0.05%100.0%
Cboe EDGA Exchange(EDGJ)marketable_limit422,27260,012,989446,8740.9%0.7%22.2%-4.3 bps0.29%70.6%
Virtu Americas LLC(NITE)marketable_limit8,188540,462435,3580.9%80.6%79.1%0.9 bps0.04%100.0%
UBS ATS(UBSA)marketable_limit12,2162,988,373404,2070.8%13.5%31.8%0.6 bps0.04%100.0%
INTERACTIVE BROKERS LLC(IBBD)market0390,912390,6770.8%99.9%79.3%1.8 bps0.03%47.0%
UBS SECURITIES, LLC(UBSS)market4,155446,024386,5980.8%86.7%82.8%0.9 bps0.03%100.0%
StoneX Financial, Inc.(INTL)market4,292362,121333,1430.7%92.0%84.5%1.4 bps0.02%100.0%
JUMP EXECUTION, LLC(JSDP)marketable_limit4,729744,831291,9880.6%39.2%46.3%0.9 bps0.03%100.0%
Cboe BYX Exchange(BYXX)marketable_limit513,30065,760,157274,7760.6%0.4%11.5%-13.6 bps0.58%85.0%
HRT Financial LP(HRTF)marketable_limit3,968286,443265,4000.6%92.7%88.9%1.6 bps0.02%99.4%
J.P. MORGAN SECURITIES LLC(JPMX)marketable_limit44,3387,061,433254,1160.5%3.6%27.6%0.3 bps0.04%100.0%
VIRTU AMERICAS LLC(KCGM)marketable_limit77,12111,613,081229,4640.5%2.0%28.3%0.5 bps0.05%100.0%
XTX Execution Services LLC(XTXE)marketable_limit5,0042,213,867224,5850.5%10.1%80.0%1.7 bps0.02%100.0%
XASE(XASE)marketable_limit27,3525,765,866195,9180.4%3.4%7.6%0.1 bps0.03%100.0%
G1 Execution Services(ETMM)marketable_limit1,987183,885183,7370.4%99.9%84.7%2.2 bps0.01%99.9%
CITIGROUP GLOBAL MARKETS INC.(ONEC)marketable_limit37,1246,922,363166,6430.3%2.4%42.1%0.7 bps0.06%99.7%
XCIS(XCIS)marketable_limit80,01110,156,692153,0850.3%1.5%30.4%0.4 bps0.04%100.0%
TLQNT(TLQNT)market4145,088145,0880.3%100.0%95.1%2.7 bps0.00%100.0%
JANE STREET CAPITAL, LLC(JNST)marketable_limit2,355182,522133,7520.3%73.3%92.7%1.2 bps0.05%99.7%
TLQNA(TLQNA)marketable_limit2,37323,870,588121,7330.3%0.5%99.9%4.8 bps-0.00%97.7%
SG AMERICAS SECURITIES, LLC(SGSD)marketable_limit965133,606108,2160.2%81.0%46.9%0.5 bps0.03%100.0%
BofA Securities, Inc.(MLCO)market3,202550,57395,5050.2%17.3%58.1%-0.8 bps0.16%99.9%
UBS SECURITIES, LLC(UBSS)marketable_limit56086,58179,1730.2%91.4%95.6%0.6 bps0.06%100.0%
NATIONAL FINANCIAL SERVICES LLC(XSTM)marketable_limit2,0571,493,78971,2120.1%4.8%9.9%0.1 bps0.03%100.0%
VIRTU AMERICAS LLC(ITGP)marketable_limit5,7022,707,65368,4630.1%2.5%0.3%-0.0 bps0.08%100.0%
GTS SECURITIES LLC(GTSM)market4,972511,67462,6720.1%12.2%87.2%1.1 bps0.01%91.2%
INTERACTIVE BROKERS CORP.(ISDP)marketable_limit062,00561,9760.1%100.0%99.7%0.2 bps0.04%100.0%
TWO SIGMA SECURITIES, LLC(SOHW)marketable_limit65960,42960,3990.1%100.0%75.6%1.7 bps0.03%100.0%
MORGAN STANLEY & CO. LLC(MSCO)market10,623722,71042,7260.1%5.9%91.2%2.0 bps0.01%100.0%
LATOUR TRADING LLC(XGWD)marketable_limit36352,77340,7230.1%77.2%70.9%0.2 bps0.04%100.0%
CITIGROUP GLOBAL MARKETS INC.(SBSH)marketable_limit1,036299,58936,9740.1%12.3%89.7%1.3 bps0.00%100.0%
J.P. MORGAN SECURITIES LLC(JPBD)market2,601205,08432,0170.1%15.6%92.8%3.7 bps0.00%83.6%
XNYS(XNYS)market6152,26032,0060.1%61.2%28.0%-0.4 bps0.10%100.0%
J.P. MORGAN SECURITIES LLC(JPDA)market71631,85631,8560.1%100.0%100.0%3.6 bps-0.01%99.9%
StoneX Financial, Inc.(INTL)marketable_limit22518,95518,3550.0%96.8%71.3%1.1 bps0.03%100.0%
ARCX(ARCX)market7524,94411,5470.0%46.3%24.2%-0.2 bps0.06%100.0%
STIFEL, NICOLAUS & COMPANY, INCORPORATED(STFX)marketable_limit877458,80810,9750.0%2.4%4.9%0.1 bps0.03%100.0%
XTX Execution Services LLC(XTXE)market4722,64110,5360.0%46.5%91.3%1.7 bps0.04%100.0%
VIRTU AMERICAS LLC(NITQ)market25451,55510,3220.0%20.0%97.2%3.4 bps0.00%100.0%
DRIVEWEALTH, LLC(DWWT)marketable_limit6808,3517,8040.0%93.4%99.3%1.2 bps0.06%100.0%
ALPHAX US(ALPX)marketable_limit11,5172,962,5057,7850.0%0.3%16.6%0.1 bps0.03%100.0%
DRIVEWEALTH, LLC(DWFT)marketable_limit6007,6657,6650.0%100.0%100.0%1.2 bps0.06%100.0%
JANE STREET CAPITAL, LLC(JSJX)market37164,2277,0860.0%4.3%80.5%2.0 bps0.01%100.0%
ALLY INVEST SECURITIES LLC(TKNG)market1246,8686,8680.0%100.0%93.2%2.5 bps0.02%99.0%
GTS SECURITIES LLC(GTSM)marketable_limit88548,5025,2480.0%10.8%99.6%1.8 bps0.01%100.0%
TWO SIGMA SECURITIES, LLC(SOHS)marketable_limit735239,1144,8550.0%2.0%0.0%0.0 bps0.10%100.0%
NATIONAL FINANCIAL SERVICES LLC(NFSF)market15,2805,1734,0440.0%78.2%99.5%2.9 bps-0.00%100.0%
NATIONAL FINANCIAL SERVICES LLC(NFSC)market47,7552,969,3314,0440.0%0.1%90.0%2.2 bps-0.00%98.1%
FIDELITY BROKERAGE SERVICES LLC(FIBS)market38,6342,469,4963,4490.0%0.1%89.6%2.3 bps-0.00%98.2%
HRT FINANCIAL LP(HRTS)market21214,7783,3180.0%22.5%100.0%1.9 bps0.00%100.0%
JUMP EXECUTION, LLC(JRET)market9210,5483,0740.0%29.1%92.6%1.5 bps0.02%100.0%
J.P. MORGAN SECURITIES LLC(JPBD)marketable_limit10911,1292,9150.0%26.2%97.9%1.7 bps-0.01%96.3%
Cboe BZX Exchange(BATS)market47850,4002,8960.0%5.7%84.4%59.4 bps-0.61%100.0%
J.P. MORGAN SECURITIES LLC(JPDA)marketable_limit522,8382,8380.0%100.0%100.0%4.0 bps-0.02%100.0%
Cboe EDGX Exchange(EDGK)market12212,0261,5110.0%12.6%87.2%198.1 bps0.27%53.6%
MORGAN STANLEY & CO. LLC(MSCO)marketable_limit91,3771,2380.0%89.9%100.0%2.2 bps0.00%100.0%
JUMP EXECUTION, LLC(JRET)marketable_limit71,2059100.0%75.5%100.0%0.9 bps0.09%100.0%
CHARLES SCHWAB & CO., INC.(CHAS)market50,7365,680,5666680.0%0.0%92.0%1.8 bps0.01%96.8%
ALLY INVEST SECURITIES LLC(TKNG)marketable_limit146106100.0%100.0%100.0%1.0 bps0.02%99.8%
MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED(MLWM)market8,1311,156,2045920.0%0.1%72.2%0.8 bps0.01%39.1%
Virtu Americas, LLC(VIRT)marketable_limit7628,2855610.0%2.0%20.1%0.2 bps0.07%100.0%
INTERACTIVE BROKERS CORP.(IBFR)marketable_limit04994900.0%98.3%30.6%0.9 bps0.05%97.0%
EDWARD JONES(EDJF)market8004034030.0%100.0%99.5%2.7 bps0.00%99.8%
Edward Jones(EDJO)market7,216278,5194030.0%0.1%94.8%1.7 bps0.00%93.4%
JUMP EXECUTION, LLC(JSDP)market301,0703690.0%34.5%99.7%2.1 bps0.00%100.0%
BofA Securities, Inc.(MLCO)marketable_limit17060,2731630.0%0.3%87.8%0.6 bps0.01%99.8%
J.P. MORGAN SECURITIES LLC(JPMS)market36210,0351610.0%1.6%97.5%2.7 bps0.01%49.2%
PNC WEALTH MANAGEMENT LLC(PNCC)market7642,2761480.0%6.5%100.0%3.3 bps-0.00%100.0%
FIDELITY BROKERAGE SERVICES LLC(FIBS)marketable_limit1,873182,701830.0%0.0%90.0%2.7 bps-0.00%100.0%
NATIONAL FINANCIAL SERVICES LLC(NFSC)marketable_limit1,966199,939830.0%0.0%90.5%2.7 bps-0.00%100.0%
NATIONAL FINANCIAL SERVICES LLC(NFSF)marketable_limit316109830.0%75.6%100.0%3.4 bps-0.01%100.0%
CHARLES SCHWAB & CO., INC.(CHAS)marketable_limit9,163727,428490.0%0.0%90.3%1.9 bps0.00%99.0%
AMERIPRISE FINANCIAL SERVICES, LLC(AEFA)market6,489316,527440.0%0.0%90.8%1.8 bps0.01%95.0%
AMERICAN ENTERPRISE INVESTMENT SERVICES INC.(AEIS)market9544440.0%100.0%95.0%2.0 bps0.01%100.0%
NYLIFE SECURITIES LLC(NYLS)market2415,674390.0%0.7%99.7%2.2 bps-0.00%100.0%
FUTU CLEARING INC(FUTC)market57814,348310.0%0.2%91.7%1.8 bps0.09%99.7%
FUTU CLEARING INC(FUTF)market15937310.0%82.8%0.0%0.0 bps0.09%100.0%
ROCKEFELLER FINANCIAL LLC(ROCK)market69644,070260.0%0.1%99.2%2.3 bps0.00%96.6%
Cboe EDGA Exchange(EDGJ)market214140.0%100.0%92.9%348.6 bps2.27%100.0%
&PARTNERS(APRT)market41941,474140.0%0.0%62.6%-0.6 bps-0.00%38.5%
U.S. BANCORP ADVISORS, LLC(MKTI)market922,78580.0%0.3%100.0%3.5 bps0.00%99.7%
FUTU CLEARING INC(FUTC)marketable_limit50541,64370.0%0.0%92.1%1.5 bps0.11%100.0%
FUTU CLEARING INC(FUTF)marketable_limit381070.0%74.7%0.3%-0.3 bps0.11%95.9%
Canaccord Genuity Inc.(CSTI)market242450.0%20.8%93.3%1.2 bps0.03%93.8%
INTERACTIVE BROKERS CORP.(IBFR)market0220.0%100.0%0.0%0.0 bps0.20%100.0%
Canaccord Genuity Inc.(CSTI)marketable_limit121220.0%16.7%100.0%21.2 bps-0.21%71.4%
J.P. MORGAN SECURITIES LLC(JPMS)marketable_limit223720.0%0.8%100.0%3.2 bps-0.04%100.0%
FIFTH THIRD SECURITIES, INC.(FTSR)market321,01620.0%0.2%87.2%0.7 bps0.00%90.2%
HILLTOP SECURITIES INC.(SWST)market775,20200.0%0.0%82.6%1.4 bps0.02%58.1%
WEALTHFRONT BROKERAGE LLC(WLTF)marketable_limit5000.0%100.0%87.2%3.0 bps0.01%100.0%
WEALTHFRONT BROKERAGE LLC(WLTH)marketable_limit4,56014,48300.0%0.0%86.1%2.1 bps0.02%100.0%
AMERIPRISE FINANCIAL SERVICES, LLC(AEFA)marketable_limit342000.0%—100.0%1.1 bps—100.0%
ALBERT SECURITIES, LLC(ALBS)market202100.0%—85.7%5.0 bps—100.0%
ALTRUIST FINANCIAL LLC(ALTR)market48530,86100.0%—97.5%2.6 bps—100.0%
APEX CLEARING CORPORATION(APCC)market9,07580,67000.0%—92.2%1.3 bps—100.0%
APEX CLEARING CORPORATION(APCC)marketable_limit3394,03400.0%—79.6%2.1 bps—99.8%
&PARTNERS(APRT)marketable_limit14800.0%—100.0%1.1 bps—100.0%
AVENUE SECURITIES LLC(AVNU)market1364,00000.0%—76.3%0.6 bps—100.0%
AVENUE SECURITIES LLC(AVNU)marketable_limit1700.0%—100.0%3.0 bps—100.0%
ROBERT W. BAIRD & CO. INCORPORATED(BARD)market34839,22000.0%—97.3%1.5 bps—83.5%
ROBERT W. BAIRD & CO. INCORPORATED(BARD)marketable_limit11,00000.0%—100.0%1.6 bps—100.0%
CITIGROUP GLOBAL MARKETS INC.(CGWM)market1579,67600.0%—98.8%1.7 bps—100.0%
CITIGROUP GLOBAL MARKETS INC.(CGWM)marketable_limit310300.0%—100.0%2.2 bps—100.0%
COINBASE CAPITAL MARKETS CORP(CNBS)market12444200.0%—99.8%0.9 bps—100.0%
COINBASE CAPITAL MARKETS CORP(CNBS)marketable_limit26000.0%—100.0%2.2 bps—100.0%
CODA MARKETS, INC.(CODX)marketable_limit10947,08400.0%—17.5%0.3 bps—100.0%
ROBINHOOD FINANCIAL, LLC(CRFN)market17,077476,82500.0%—74.7%2.0 bps—100.0%
ROBINHOOD FINANCIAL, LLC(CRFN)marketable_limit2147,05300.0%—66.2%2.1 bps—99.8%
DAVIDSON (D.A.) & CO. INC.(DADA)market18828,15400.0%—97.0%0.8 bps—100.0%
RBC CAPITAL MARKETS, LLC(DAIN)market2,094278,91300.0%—87.6%0.7 bps—89.4%
RBC CAPITAL MARKETS, LLC(DAIN)marketable_limit204,86000.0%—97.8%2.5 bps—100.0%
Edward Jones(EDJO)marketable_limit739700.0%—100.0%0.2 bps—100.0%
ETORO USA SECURITIES INC.(ETOR)market406900.0%—97.1%1.0 bps—100.0%
FORIS CAPITAL US LLC(FORS)market324700.0%—72.2%0.9 bps—100.0%
MOOMOO FINANCIAL INC.(FUTM)market1313,83200.0%—93.6%2.2 bps—100.0%
MOOMOO FINANCIAL INC.(FUTM)marketable_limit561,23300.0%—99.5%2.2 bps—100.0%
ROBINHOOD SECURITIES, LLC(HOOD)market17,211477,45800.0%—74.7%2.0 bps—100.0%
ROBINHOOD SECURITIES, LLC(HOOD)marketable_limit2147,05300.0%—66.2%2.1 bps—99.8%
AMERICAN ENTERPRISE INVESTMENT SERVICES INC.(HRBF)market6,394309,40100.0%—90.7%1.8 bps—94.9%
AMERICAN ENTERPRISE INVESTMENT SERVICES INC.(HRBF)marketable_limit342000.0%—100.0%1.1 bps—100.0%
JANNEY MONTGOMERY SCOTT LLC(JANM)market71,27200.0%—————
JANNEY MONTGOMERY SCOTT LLC(JANY)market1,02280,17700.0%—75.7%0.0 bps—86.0%
J.P. MORGAN SECURITIES LLC(JPMX)market51,04200.0%—————
AXOS CLEARING LLC(LGNT)market28015,50300.0%—99.7%0.9 bps—99.9%
AXOS CLEARING LLC(LGNT)marketable_limit33,00000.0%—33.3%1.7 bps—100.0%
MAXIM GROUP LLC(MAXM)market132,93000.0%—87.0%1.6 bps—100.0%
U.S. BANCORP ADVISORS, LLC(MKTI)marketable_limit11900.0%—100.0%1.3 bps—100.0%
MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED(MLWM)marketable_limit18765,16600.0%—85.9%17.7 bps—6.6%
MOSAIC ATS(MOAT)marketable_limit120000.0%—————
MORGAN STANLEY & CO. LLC(MSPL)marketable_limit6,8251,134,90000.0%—28.7%0.6 bps—100.0%
MORGAN STANLEY & CO. LLC(MSRP)marketable_limit18751,33200.0%—99.7%1.8 bps—100.0%
BETTERMENT SECURITIES(MTGO)marketable_limit14695700.0%—75.4%1.1 bps—75.8%
NAVY FEDERAL INVESTMENT SERVICES, LLC(NFBS)market328100.0%—100.0%3.3 bps—100.0%
NOMAD INVESTMENT SERVICES(NOMA)market2541,58500.0%—98.3%1.6 bps—100.0%
NOMAD INVESTMENT SERVICES(NOMA)marketable_limit1500.0%—100.0%1.7 bps—100.0%
OLD MISSION CAPITAL, LLC(OLDM)marketable_limit91,73300.0%—————
OPPENHEIMER & CO. INC.(OPCO)market55134,28600.0%—79.5%1.0 bps—95.0%
OPPENHEIMER & CO. INC.(OPCO)marketable_limit315,46900.0%—86.6%1.4 bps—100.0%
UBS FINANCIAL SERVICES INC.(PWJC)market3,940744,82200.0%—64.4%0.3 bps—83.5%
UBS FINANCIAL SERVICES INC.(PWJC)marketable_limit45,01100.0%—72.1%2.1 bps—100.0%
RBC CAPITAL MARKETS, LLC(RBCM)market535400.0%—85.9%1.4 bps—100.0%
RBC CAPITAL MARKETS, LLC(RBCM)marketable_limit424,50900.0%—100.0%24.4 bps—11.4%
ROCKEFELLER FINANCIAL LLC(ROCK)marketable_limit141800.0%—100.0%0.4 bps—100.0%
STIFEL, NICOLAUS & COMPANY, INCORPORATED(SFBD)market3,593280,10500.0%—82.9%1.4 bps—85.4%
STIFEL, NICOLAUS & COMPANY, INCORPORATED(SFBD)marketable_limit1,2396,287,24400.0%—100.0%0.3 bps—100.0%
STIFEL, NICOLAUS & COMPANY, INCORPORATED(SFMM)market1,539104,76500.0%—87.2%1.4 bps—90.1%
STIFEL, NICOLAUS & COMPANY, INCORPORATED(SFMM)marketable_limit1,2296,208,30500.0%—100.0%1.5 bps—100.0%
SOFI SECURITIES LLC(SOFI)market2274,04800.0%—97.0%1.3 bps—100.0%
SOFI SECURITIES LLC(SOFI)marketable_limit1100.0%—100.0%2.7 bps—100.0%
STEPHENS, INC.(SPHN)market1100.0%—100.0%4.7 bps—100.0%
STASH CAPITAL LLC(STSH)market1881,05300.0%—90.9%2.6 bps—98.3%
Muriel Siebert & Co., Inc.(STXG)market446,77500.0%—41.4%0.8 bps—100.0%
HILLTOP SECURITIES INC.(SWST)marketable_limit513300.0%—73.7%2.1 bps—0.0%
TRADE-PMR INC.(TPMR)market1277,92000.0%—96.7%0.5 bps—100.0%
TRADE-PMR INC.(TPMR)marketable_limit1355,04500.0%—0.0%-15.6 bps—100.0%
CASH APP INVESTING LLC(TPTG)market2,3583,58600.0%—99.2%1.5 bps—100.0%
OPEN TO THE PUBLIC INVESTING, INC.(TTSI)market1,1675,39200.0%—90.7%2.4 bps—100.0%
OPEN TO THE PUBLIC INVESTING, INC.(TTSI)marketable_limit122700.0%—100.0%2.9 bps—100.0%
TASTYTRADE, INC.(TWTT)market952,41600.0%—99.9%2.8 bps—100.0%
TASTYTRADE, INC.(TWTT)marketable_limit381,63300.0%—100.0%2.7 bps—100.0%
VANGUARD MARKETING CORPORATION(VGRD)market2,282168,60200.0%—82.4%2.3 bps—99.8%
VANGUARD MARKETING CORPORATION(VGRD)marketable_limit17017,98500.0%—75.4%2.3 bps—99.8%
Wedbush Securities, Inc.(WBSI)marketable_limit55235,55700.0%—69.5%2.2 bps—100.0%
WEBULL FINANCIAL LLC(WBUS)market1,47915,37100.0%—99.9%1.9 bps—100.0%
WEBULL FINANCIAL LLC(WBUS)marketable_limit2425,36200.0%—99.5%1.7 bps—100.0%
WEDBUSH SECURITIES INC.(WEDB)market241,35900.0%—100.0%0.6 bps—100.0%