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HowShorted

TUA short interest NYSE Arca

Simplify Short Term Treasury F. 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
142,723
vs previous settlement
+62,893 (+78.8%)
days to cover
1.00
Settlement date
15 Sep 2026

Shares short over time

Aggregate net short position time series for TUA 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 TUA days to cover

Fails to deliver

The SEC's fails-to-deliver figure for TUA: 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.

Last balance on file
4,617
8 Sep 2026
Highest in window
38,472
23 Feb 2026
Days with a balance
79
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Simplify Short Term Treasury F 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 38K shares.

History

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

Full reported short interest history
Settlement dateShares shortChangeDays to cover
15 Sep 2026142,723+62,8931.00
31 Aug 202679,830+48,2771.00
14 Aug 202631,553+5,1541.00
31 Jul 202626,399โˆ’59,8361.00
15 Jul 202686,235โˆ’53,9601.00
30 Jun 2026140,195+98,3511.00
15 Jun 202641,844+7,4601.00
29 May 202634,384โˆ’61,9071.00
15 May 202696,291โˆ’24,8271.00
30 Apr 2026121,118โˆ’42,4191.00
15 Apr 2026163,537โˆ’54,2671.00
31 Mar 2026217,804โˆ’4,4721.00
13 Mar 2026222,276+180,3201.00
27 Feb 202641,956โˆ’131,7491.00
13 Feb 2026173,705+87,2961.00
30 Jan 202686,409+4,5831.00
15 Jan 202681,826โˆ’7161.00
31 Dec 202582,542+68,5161.00
15 Dec 202514,026โˆ’52,9501.00
28 Nov 202566,976โˆ’9,3091.00
14 Nov 202576,285+49,5681.00
31 Oct 202526,717โˆ’82,3851.00
15 Oct 2025109,102+64,8371.00
30 Sep 202544,265โˆ’55,3961.00
15 Sep 202599,661+20,6321.00
29 Aug 202579,029โˆ’66,8501.00
15 Aug 2025145,879โˆ’163,6431.00
31 Jul 2025309,522+228,1541.10
15 Jul 202581,368โˆ’37,9781.00
30 Jun 2025119,346โˆ’125,8241.00
13 Jun 2025245,170โˆ’100,7051.00
30 May 2025345,875+214,1101.00
15 May 2025131,765+23,7561.00
30 Apr 2025108,009โˆ’121,9621.00
15 Apr 2025229,971+94,5731.00
31 Mar 2025135,398โˆ’56,0431.00
14 Mar 2025191,441โˆ’6,3321.00
28 Feb 2025197,773+26,4951.00
14 Feb 2025171,278+145,8501.00
31 Jan 202525,428โˆ’107,1551.00
15 Jan 2025132,583โˆ’178,4411.00
31 Dec 2024311,024+292,1061.00
13 Dec 202418,918โˆ’106,5301.00
29 Nov 2024125,448+41,6881.00
15 Nov 202483,760+62,9521.00
31 Oct 202420,808โˆ’118,5911.00
15 Oct 2024139,399+74,3141.00
30 Sep 202465,085โˆ’15,0261.00
13 Sep 202480,111+44,3511.00
30 Aug 202435,760โˆ’5051.00
15 Aug 202436,265โˆ’93,4821.00
31 Jul 2024129,747+5,3211.00
15 Jul 2024124,426+42,4191.00
28 Jun 202482,007+44,4891.00
14 Jun 202437,518โˆ’54,7801.00
31 May 202492,298โˆ’20,7881.00
15 May 2024113,086+48,1511.00
30 Apr 202464,935+3,9201.00
15 Apr 202461,015โˆ’2,0241.00
28 Mar 202463,039โˆ’22,9231.00
15 Mar 202485,962+1,2821.00
29 Feb 202484,680โˆ’65,1261.00
15 Feb 2024149,806+43,7841.00
31 Jan 2024106,022+57,7791.00
12 Jan 202448,243โˆ’19,7781.00
29 Dec 202368,021+14,6221.00
15 Dec 202353,399โˆ’487,2831.00
30 Nov 2023540,682+416,3061.00
15 Nov 2023124,376สณโˆ’5,7711.00
31 Oct 2023130,147โˆ’39,7451.00
13 Oct 2023169,892+69,6381.00
29 Sep 2023100,254+9491.00
15 Sep 202399,305+7,4011.00
31 Aug 202391,904โˆ’839,6531.00
15 Aug 2023931,557+678,6246.30
31 Jul 2023252,933โˆ’9,4931.33
14 Jul 2023262,426+208,2571.09
30 Jun 202354,169โˆ’142,6691.00
15 Jun 2023196,838+142,9761.00
31 May 202353,862+21,9941.00
15 May 202331,868+9,9691.00
28 Apr 202321,899โˆ’28,4391.00
14 Apr 202350,338โˆ’342,3091.00
31 Mar 2023392,647+382,5624.27
15 Mar 202310,085โˆ’173,0131.00
28 Feb 2023183,098+123,7591.30
15 Feb 202359,339+54,5141.00
31 Jan 20234,825โˆ’15,0181.00
13 Jan 202319,843โˆ’8,6011.00
30 Dec 202228,444+14,8251.00
15 Dec 202213,619+6,0131.00
30 Nov 20227,606โ€“1.00

Scroll inside the table for earlier settlements, back to 30 Nov 2022.

Questions

Frequently asked questions

What is TUA's short interest?
142,723 shares short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report, up 62,893 from the previous settlement.
Why is there no percentage for TUA?
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 TUA'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.

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