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HowShorted

SDS short interest NYSE Arca

ProShares UltraShort S&P500. FINRA's reported shares short for this symbol, twice a month by settlement date, shown as the regulator publishes them. No percentage is shown: exchange-traded product: its share count floats with creation and redemption.

Shares short
689,533
vs previous settlement
โˆ’40,701 (-5.6%)
days to cover
1.00
Settlement date
15 Sep 2026

Shares short over time

Aggregate net short position time series for SDS shares short

Days to cover

FINRA's own figure: reported shares short divided by the security's average daily trading volume, published alongside each settlement.

Aggregate net short position time series for SDS days to cover

Fails to deliver

The SEC's fails-to-deliver figure for SDS: the aggregate net balance of shares that failed to be delivered at each settlement date, published by the SEC twice a month and shown here verbatim for the trailing window. A balance is not a daily flow, and a fail has many ordinary causes; the SEC says it cannot guarantee the accuracy of the data. See what fails to deliver are and the largest balances today.

Latest balance
182,403
14 Sep 2026
Highest in window
1,083,562
21 Nov 2025
Days with a balance
146
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for ProShares UltraShort S&P500 fails to deliver

Source: U.S. Securities and Exchange Commission, fails-to-deliver data (public domain). Only settlement days with a positive balance appear; the largest balance in the window was 1.1M shares.

History

Every FINRA settlement we hold for SDS, newest first. สณ marks a figure FINRA itself flagged as revised.

Full reported short interest history
Settlement dateShares shortChangeDays to cover
15 Sep 2026689,533โˆ’40,7011.00
31 Aug 2026730,234+424,8031.00
14 Aug 2026305,431โˆ’99,7131.00
31 Jul 2026405,144โˆ’22,4071.00
15 Jul 2026427,551+146,1921.00
30 Jun 2026281,359โˆ’98,1551.00
15 Jun 2026379,514+1,4881.00
29 May 2026378,026โˆ’180,4931.00
15 May 2026558,519+190,5751.00
30 Apr 2026367,944+6,8381.00
15 Apr 2026361,106โˆ’112,0451.00
31 Mar 2026473,151โˆ’68,3501.00
13 Mar 2026541,501+123,3961.00
27 Feb 2026418,105+2,3521.00
13 Feb 2026415,753+53,7871.00
30 Jan 2026361,966+57,3061.00
15 Jan 2026304,660โˆ’52,1841.00
31 Dec 2025356,844+54,3481.00
15 Dec 2025302,496โˆ’65,9291.00
28 Nov 2025368,425โˆ’148,1741.00
14 Nov 2025516,599โˆ’1,716,3231.00
31 Oct 20252,232,922+299,8841.00
15 Oct 20251,933,038+387,9631.00
30 Sep 20251,545,075โˆ’931,5631.00
15 Sep 20252,476,638+975,2341.00
29 Aug 20251,501,404+278,1791.00
15 Aug 20251,223,225+630,0271.00
31 Jul 2025593,198โˆ’1,257,8861.00
15 Jul 20251,851,084+302,2531.00
30 Jun 20251,548,831โˆ’88,5591.00
13 Jun 20251,637,390+834,5101.00
30 May 2025802,880โˆ’427,6021.00
15 May 20251,230,482โˆ’315,9431.00
30 Apr 20251,546,425+1,040,6531.00
15 Apr 2025505,772โˆ’272,4721.00
31 Mar 2025778,244โˆ’177,4291.00
14 Mar 2025955,673โˆ’463,0471.00
28 Feb 20251,418,720+182,5201.00
14 Feb 20251,236,200โˆ’149,3581.00
31 Jan 20251,385,558+354,3081.00
15 Jan 20251,031,250+283,8441.00
31 Dec 2024747,406โˆ’129,2691.00
13 Dec 2024876,675+58,1421.00
29 Nov 2024818,533โˆ’58,6371.00
15 Nov 2024877,170โˆ’144,6841.00
31 Oct 20241,021,854โˆ’530,4961.00
15 Oct 20241,552,350+982,1781.00
30 Sep 2024570,172โˆ’353,4461.00
13 Sep 2024923,618+420,8951.00
30 Aug 2024502,723โˆ’385,3431.00
15 Aug 2024888,066+242,0781.00
31 Jul 2024645,988โˆ’682,3691.00
15 Jul 20241,328,357+537,6301.00
28 Jun 2024790,727+415,1591.00
14 Jun 2024375,568โˆ’202,1971.00
31 May 2024577,765โˆ’113,7771.00
15 May 2024691,542+43,6811.00
30 Apr 2024647,861โˆ’403,6521.00
15 Apr 20241,051,513+429,3861.00
28 Mar 2024622,127+25,9931.00
15 Mar 2024596,134+125,7931.00
29 Feb 2024470,341โˆ’175,4131.00
15 Feb 2024645,754+41,0271.00
31 Jan 2024604,727โˆ’161,0091.00
12 Jan 2024765,736โˆ’155,4651.00
29 Dec 2023921,201โˆ’71,2711.00
15 Dec 2023992,472+360,1101.00
30 Nov 2023632,362โˆ’67,6201.00
15 Nov 2023699,982สณ+8,4941.00
31 Oct 2023691,488โˆ’414,8041.00
13 Oct 20231,106,292+272,7311.00
29 Sep 2023833,561โˆ’52,4661.00
15 Sep 2023886,027โˆ’189,6931.00
31 Aug 20231,075,720+399,4281.00
15 Aug 2023676,292โˆ’78,0021.00
31 Jul 2023754,294+275,8211.00
14 Jul 2023478,473โˆ’30,9351.00
30 Jun 2023509,408โˆ’100,4511.00
15 Jun 2023609,859+32,7341.00
31 May 2023577,125โˆ’272,3751.00
15 May 2023849,500+118,3371.00
28 Apr 2023731,163+56,2631.00
14 Apr 2023674,900โˆ’287,5421.00
31 Mar 2023962,442โˆ’889,5521.00
15 Mar 20231,851,994+1,208,0041.00
28 Feb 2023643,990โˆ’36,8211.00
15 Feb 2023680,811โˆ’509,5261.00
31 Jan 20231,190,337+534,9661.00
13 Jan 2023655,371+131,5921.00
30 Dec 2022523,779โˆ’367,4791.00
15 Dec 2022891,258โˆ’212,2511.00
30 Nov 20221,103,509+428,5091.00
15 Nov 2022675,000+177,6351.00
31 Oct 2022497,365+19,0381.00
14 Oct 2022478,327โˆ’269,6061.00
30 Sep 2022747,933+245,5271.00
15 Sep 2022502,406โˆ’212,9231.00
31 Aug 2022715,329+99,6671.00
15 Aug 2022615,662โˆ’69,1041.00
29 Jul 2022684,766+425,1691.00
15 Jul 2022259,597โˆ’758,4141.00
30 Jun 20221,018,011โˆ’159,8341.00
15 Jun 20221,177,845+487,1111.00
31 May 2022690,734โˆ’137,1671.00
13 May 2022827,901+194,3521.00
29 Apr 2022633,549+89,4341.00
14 Apr 2022544,115โˆ’112,0461.00
31 Mar 2022656,161โˆ’73,9821.00
15 Mar 2022730,143โˆ’247,4971.00
28 Feb 2022977,640+145,4381.00
15 Feb 2022832,202โˆ’499,5511.00
31 Jan 20221,331,753+369,7601.00
14 Jan 2022961,993โˆ’4,567,5141.00
31 Dec 20215,529,507+86,6761.00
15 Dec 20215,442,831โˆ’972,4591.00
30 Nov 20216,415,290โˆ’180,8011.00
15 Nov 20216,596,091+764,6711.00
29 Oct 20215,831,420+1,397,6661.00
15 Oct 20214,433,754โˆ’866,5011.00
30 Sep 20215,300,255+235,4971.00
15 Sep 20215,064,758โˆ’74,1141.00
31 Aug 20215,138,872+1,088,7051.00
13 Aug 20214,050,167โˆ’282,6211.00
30 Jul 20214,332,788โˆ’471,7701.00
15 Jul 20214,804,558+225,9661.00
30 Jun 20214,578,592+217,2341.00
15 Jun 20214,361,358+400,2931.00
28 May 20213,961,065โˆ’387,6411.00
14 May 20214,348,706+1,078,7401.00
30 Apr 20213,269,966+40,4791.00
15 Apr 20213,229,487+838,2731.00
31 Mar 20212,391,214โˆ’51,5721.00
15 Mar 20212,442,786+822,4341.00
26 Feb 20211,620,352โˆ’786,1401.00
12 Feb 20212,406,492โˆ’109,7741.00
29 Jan 20212,516,266โˆ’134,0041.00
15 Jan 20212,650,270+905,0311.00
31 Dec 20201,745,239โˆ’179,3201.00
15 Dec 20201,924,559+184,8311.00
30 Nov 20201,739,728+511,6611.00
13 Nov 20201,228,067โˆ’744,4091.00
30 Oct 20201,972,476โˆ’135,4911.00
15 Oct 20202,107,967โˆ’528,5161.00
30 Sep 20202,636,483+440,7481.00
15 Sep 20202,195,735+451,5191.00
31 Aug 20201,744,216โˆ’497,5741.00
14 Aug 20202,241,790+277,7341.00
31 Jul 20201,964,056โˆ’1,312,6321.00
15 Jul 20203,276,688+1,436,1701.00
30 Jun 20201,840,518+292,1511.00
15 Jun 20201,548,367โˆ’31,9781.00
29 May 20201,580,345+185,6391.00
15 May 20201,394,706โˆ’1,607,5841.00
30 Apr 20203,002,290สณ+536,5961.00
15 Apr 20202,465,694โˆ’204,5471.00
31 Mar 20202,670,241+845,9621.00
13 Mar 20201,824,279+4191.00
28 Feb 20201,823,860โˆ’262,0731.00
14 Feb 20202,085,933โˆ’560,1641.00
31 Jan 20202,646,097+481,8211.00
15 Jan 20202,164,276โˆ’32,0941.00
31 Dec 20192,196,370+416,4491.00
13 Dec 20191,779,921+6,6411.00
29 Nov 20191,773,280โˆ’106,4171.00
15 Nov 20191,879,697โˆ’471,8011.00
31 Oct 20192,351,498+379,3191.00
15 Oct 20191,972,179+263,7201.00
30 Sep 20191,708,459+582,8411.00
13 Sep 20191,125,618โˆ’134,5781.00
30 Aug 20191,260,196โˆ’399,1891.00
15 Aug 20191,659,385+414,0721.00
31 Jul 20191,245,313โˆ’337,7961.00
15 Jul 20191,583,109+584,6981.00
28 Jun 2019998,411โˆ’427,7321.00
14 Jun 20191,426,143โˆ’119,5861.00
31 May 20191,545,729+376,6121.00
15 May 20191,169,117+217,6851.00
30 Apr 2019951,432โˆ’148,8881.00
15 Apr 20191,100,320โˆ’215,6061.00
29 Mar 20191,315,926+650,1131.00
15 Mar 2019665,813โˆ’652,8451.00
28 Feb 20191,318,658+335,4661.00
15 Feb 2019983,192โˆ’220,4851.00
31 Jan 20191,203,677โˆ’394,1501.00
15 Jan 20191,597,827+184,8951.00
31 Dec 20181,412,932+254,7911.00
14 Dec 20181,158,141โˆ’238,1761.00
30 Nov 20181,396,317โˆ’171,1461.00
15 Nov 20181,567,463+270,1971.00
31 Oct 20181,297,266โˆ’254,4951.00
15 Oct 20181,551,761โˆ’19,2841.00
28 Sep 20181,571,045+414,1271.00
14 Sep 20181,156,918โˆ’308,2591.00
31 Aug 20181,465,177+46,4531.00
15 Aug 20181,418,724โˆ’346,8021.00
31 Jul 20181,765,526+244,0281.00
13 Jul 20181,521,498+169,5951.00
29 Jun 20181,351,903โˆ’264,0821.00
15 Jun 20181,615,985+522,6791.00
31 May 20181,093,306โˆ’515,4501.00
15 May 20181,608,756+117,7871.00
30 Apr 20181,490,969โˆ’71,1291.00
13 Apr 20181,562,098โˆ’45,2071.00
29 Mar 20181,607,305โˆ’46,8131.00
15 Mar 20181,654,118+309,8551.00
28 Feb 20181,344,263โˆ’590,3391.00
15 Feb 20181,934,602+292,8241.00
31 Jan 20181,641,778โˆ’156,5961.00
12 Jan 20181,798,374โˆ’21,5381.00
29 Dec 20171,819,912โ€“1.00

Scroll inside the table for earlier settlements, back to 29 Dec 2017.

Questions

Frequently asked questions

What is SDS's short interest?
689,533 shares short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report, down 40,701 from the previous settlement.
Why is there no percentage for SDS?
Because no defensible share count exists to divide by: exchange-traded product: its share count floats with creation and redemption. An exchange-traded product's share count changes every day as units are created and redeemed, so no filing gives a stable count to divide by. FINRA's shares-short figure is exact; a percentage of it would not be.
What is SDS's days to cover?
1.00 days for settlement date 15 Sep 2026: FINRA's own short interest ratio, the reported shares short divided by average daily trading volume, published in the same file and shown verbatim. We hold no volume data ourselves.
Is this the short float?
No. This page shows FINRA's share count only. Short float divides that count by the public float, and short interest as we publish it elsewhere divides it by shares outstanding from SEC filings. Neither denominator is available for this line, so neither ratio is shown.
How often does this update?
FINRA member firms report short positions as of the 15th and the last business day of each month, and FINRA publishes the consolidated figures about nine business days later. We ingest each file the day it appears and re-read recent settlements for revisions.

Ranked companies with a percentage: most shorted US stocks. Other funds by shares short and days to cover: most shorted ETFs. Other symbols with counts only: shares short without a percentage. Browse by name: US companies A to Z.