Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-209349-index-headers.html | 2020-08-04 16:32:36 | |
| 0001193125-20-209349-index.html | 2020-08-04 16:32:36 | |
| 0001193125-20-209349.txt | 2020-08-04 16:32:36 | |
 0001193125-20-209349-xbrl.zip | 122252 | 2020-08-04 16:32:36 |
| d614712d8k.htm | 37584 | 2020-08-04 16:32:36 |
| d614712d8k_htm.xml | 3280 | 2020-08-04 16:32:36 |
| d614712dex101.htm | 104198 | 2020-08-04 16:32:36 |
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| d614712dex103.htm | 103616 | 2020-08-04 16:32:36 |
| d614712dex104.htm | 104672 | 2020-08-04 16:32:36 |
| d614712dex105.htm | 127813 | 2020-08-04 16:32:36 |
| FilingSummary.xml | 1870 | 2020-08-04 16:32:36 |
| Financial_Report.xlsx | 5461 | 2020-08-04 16:32:36 |
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| mktx-20200731.xsd | 3078 | 2020-08-04 16:32:36 |
| mktx-20200731_lab.xml | 17373 | 2020-08-04 16:32:36 |
| mktx-20200731_pre.xml | 10958 | 2020-08-04 16:32:36 |
| R1.htm | 38624 | 2020-08-04 16:32:36 |
| report.css | 2767 | 2020-08-04 16:32:36 |
| Show.js | 1085 | 2020-08-04 16:32:36 |