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SSO · ProShares Ultra S&P500 ETF

Alerts for SSO
$70.80 -0.57 (-0.80%) At close · Sep 4

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
2026-07-27 1,417,807 7,001,062 8,418,869 54.1%
2026-07-20 849,184 4,752,418 5,601,602 48.9%
2026-07-13 1,357,598 7,139,664 8,497,262 54.1%
2026-07-06 1,354,912 6,308,177 7,663,089 54.3%
2026-06-29 1,229,105 5,866,674 7,095,779 49.7%
2026-06-22 1,029,150 6,466,390 7,495,540 51.6%
2026-06-15 1,026,721 6,104,965 7,131,686 57.3%
2026-06-08 2,096,250 17,169,060 19,265,310 63.9%
2026-06-01 1,670,216 8,929,709 10,599,925 57.3%
2026-05-25 957,288 3,864,919 4,822,207 50.3%
2026-05-18 1,615,461 6,242,578 7,858,039 46.2%
2026-05-11 1,602,166 7,161,705 8,763,871 56.9%
2026-05-04 1,586,896 8,224,659 9,811,555 52.1%
2026-04-27 2,584,110 8,507,401 11,091,511 57.9%
2026-04-20 1,999,731 8,275,122 10,274,853 50.6%
2026-04-13 3,295,118 18,099,897 21,395,015 67.9%
2026-04-06 2,049,192 7,246,902 9,296,094 50.5%
2026-03-30 2,792,567 10,673,783 13,466,350 52.9%
2026-03-23 1,753,128 22,439,013 24,192,141 63.6%
2026-03-16 1,756,267 8,147,241 9,903,508 50.6%
2026-03-09 2,546,697 8,392,501 10,939,198 44.4%
2026-03-02 2,215,750 7,982,336 10,198,086 37.2%
2026-02-23 2,106,929 6,612,730 8,719,659 49.6%
2026-02-16 1,710,215 9,839,571 11,549,786 54.5%
2026-02-09 2,681,511 10,252,997 12,934,508 50.5%
2026-02-02 2,687,804 9,966,524 12,654,328 43.5%
2026-01-26 1,627,520 10,709,069 12,336,589 60.8%
2026-01-19 1,626,496 7,811,241 9,437,737 49.5%
2026-01-12 1,309,915 6,807,189 8,117,104 54.8%
2026-01-05 1,306,335 14,018,469 15,324,804 69.0%
2025-12-29 1,320,309 5,147,367 6,467,676 51.8%
2025-12-22 1,627,511 5,996,416 7,623,927 67.9%
2025-12-15 1,167,885 6,560,445 7,728,330 47.1%
2025-12-08 1,066,639 5,262,509 6,329,148 46.3%
2025-12-01 1,412,252 5,322,738 6,734,990 53.1%
2025-11-24 1,814,732 6,701,518 8,516,250 55.5%
2025-11-17 2,343,966 9,366,013 11,709,979 23.8%
2025-11-10 1,113,697 4,600,017 5,713,714 20.0%
2025-11-03 1,085,962 4,950,205 6,036,167 18.7%
2025-10-27 1,100,039 5,053,803 6,153,842 18.2%
2025-10-20 769,742 6,060,235 6,829,977 24.1%
2025-10-13 828,335 7,188,194 8,016,529 20.7%
2025-10-06 847,358 3,500,987 4,348,345 19.1%
2025-09-29 694,363 2,796,044 3,490,407 19.9%
2025-09-22 622,136 2,762,881 3,385,017 18.8%
2025-09-15 567,113 2,329,708 2,896,821 21.1%
2025-09-08 757,479 3,611,640 4,369,119 24.1%
Showing 1–47 of 47 weeks