MDY · Spdr S&P Midcap 400 ETF Trust
$694.86
-4.75 (-0.68%)
At close · Aug 24
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-07-20 | 509,334 | 866,756 | 1,376,090 | 43.8% |
| 2026-07-13 | 507,740 | 552,698 | 1,060,438 | 37.6% |
| 2026-07-06 | 523,962 | 619,579 | 1,143,541 | 43.6% |
| 2026-06-29 | 699,559 | 899,710 | 1,599,269 | 40.8% |
| 2026-06-22 | 824,301 | 1,217,019 | 2,041,320 | 48.3% |
| 2026-06-15 | 709,961 | 1,170,172 | 1,880,133 | 47.7% |
| 2026-06-08 | 906,567 | 1,041,663 | 1,948,230 | 37.9% |
| 2026-06-01 | 465,567 | 923,208 | 1,388,775 | 42.9% |
| 2026-05-25 | 646,827 | 410,227 | 1,057,054 | 42.6% |
| 2026-05-18 | 721,965 | 377,803 | 1,099,768 | 38.8% |
| 2026-05-11 | 501,009 | 340,085 | 841,094 | 29.4% |
| 2026-05-04 | 475,975 | 555,003 | 1,030,978 | 41.5% |
| 2026-04-27 | 524,449 | 286,431 | 810,880 | 30.6% |
| 2026-04-20 | 544,818 | 758,869 | 1,303,687 | 39.1% |
| 2026-04-13 | 429,016 | 661,781 | 1,090,797 | 37.1% |
| 2026-04-06 | 769,933 | 845,716 | 1,615,649 | 37.1% |
| 2026-03-30 | 775,604 | 355,270 | 1,130,874 | 25.3% |
| 2026-03-23 | 1,301,722 | 646,016 | 1,947,738 | 27.4% |
| 2026-03-16 | 1,303,236 | 1,329,420 | 2,632,656 | 33.2% |
| 2026-03-09 | 1,454,334 | 735,483 | 2,189,817 | 18.7% |
| 2026-03-02 | 1,465,500 | 707,197 | 2,172,697 | 24.4% |
| 2026-02-23 | 650,800 | 444,951 | 1,095,751 | 24.9% |
| 2026-02-16 | 800,656 | 411,484 | 1,212,140 | 30.8% |
| 2026-02-09 | 713,564 | 561,434 | 1,274,998 | 29.2% |
| 2026-02-02 | 1,162,877 | 773,332 | 1,936,209 | 30.8% |
| 2026-01-26 | 710,409 | 798,565 | 1,508,974 | 30.9% |
| 2026-01-19 | 751,615 | 593,837 | 1,345,452 | 30.6% |
| 2026-01-12 | 741,091 | 498,543 | 1,239,634 | 28.6% |
| 2026-01-05 | 743,266 | 1,030,652 | 1,773,918 | 34.0% |
| 2025-12-29 | 492,351 | 509,027 | 1,001,378 | 34.2% |
| 2025-12-22 | 394,221 | 612,869 | 1,007,090 | 36.7% |
| 2025-12-15 | 607,121 | 781,549 | 1,388,670 | 32.9% |
| 2025-12-08 | 1,261,989 | 930,425 | 2,192,414 | 38.1% |
| 2025-12-01 | 1,098,923 | 825,671 | 1,924,594 | 43.2% |
| 2025-11-24 | 781,003 | 694,711 | 1,475,714 | 36.9% |
| 2025-11-17 | 1,241,268 | 904,142 | 2,145,410 | 29.7% |
| 2025-11-10 | 895,833 | 703,649 | 1,599,482 | 35.9% |
| 2025-11-03 | 802,240 | 1,009,327 | 1,811,567 | 35.6% |
| 2025-10-27 | 701,892 | 651,567 | 1,353,459 | 30.8% |
| 2025-10-20 | 497,033 | 285,834 | 782,867 | 24.2% |
| 2025-10-13 | 648,785 | 819,096 | 1,467,881 | 30.3% |
| 2025-10-06 | 889,334 | 666,993 | 1,556,327 | 32.3% |
| 2025-09-29 | 822,616 | 482,373 | 1,304,989 | 38.2% |
| 2025-09-22 | 804,898 | 365,140 | 1,170,038 | 36.9% |
| 2025-09-15 | 721,636 | 687,783 | 1,409,419 | 33.6% |
| 2025-09-08 | 852,782 | 490,844 | 1,343,626 | 35.0% |
| 2025-09-01 | 408,659 | 461,949 | 870,608 | 36.6% |
| 2025-08-25 | 1,229,203 | 611,186 | 1,840,389 | 40.9% |
Showing 1–48 of 48 weeks
Key facts
CIK
936958
CUSIP
78467Y107
13F (30d)
1033 filings
997 filers