OSTX short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31

Short % of Float7.7%36,208,100 float shares

Days to Cover8.5324,712 average daily volume

Open Short Position2,773,058OS Therapies Incorporated

Change vs Previous+139,846+5.3%

Short interest history

Twice-monthly snapshots of open short positions.

Settlement	Short Position	Change	Change %	Days to Cover	Short % Float
Jul 31, 2026	2,773,058	+139,846	+5.3%	8.5	7.7%
Jul 15, 2026	2,633,212	+381,351	+16.9%	2.6	7.3%
Jun 30, 2026	2,251,861	+220,200	+10.8%	2.5	6.2%

Short interest is an open-position snapshot published twice monthly. It is not daily short-sale volume.

Daily off-exchange short volume

FINRA-reported short-sale transaction flow for the last 30 calendar days.

Trade Date	Short Volume	Short Exempt	FINRA Total	Short Volume %	Facilities
Aug 21, 2026	94,822	670	195,844	48.4%	2
Aug 20, 2026	72,271	487	140,572	51.4%	2
Aug 19, 2026	106,074	0	170,475	62.2%	3
Aug 18, 2026	85,106	10,071	159,281	53.4%	3
Aug 17, 2026	355,939	41,412	717,596	49.6%	3
Aug 14, 2026	122,127	0	242,397	50.4%	2
Aug 13, 2026	168,255	3,370	324,468	51.9%	3
Aug 12, 2026	68,121	0	109,087	62.4%	2
Aug 11, 2026	42,248	0	86,094	49.1%	2
Aug 10, 2026	57,219	0	115,722	49.4%	2
Aug 7, 2026	74,158	400	153,473	48.3%	3
Aug 6, 2026	50,581	0	122,855	41.2%	2
Aug 5, 2026	71,121	0	162,948	43.6%	3
Aug 4, 2026	89,829	0	175,831	51.1%	3
Aug 3, 2026	81,728	0	138,606	59.0%	3
Jul 31, 2026	99,362	8,600	229,110	43.4%	2
Jul 30, 2026	96,899	200	156,382	62.0%	2
Jul 29, 2026	81,532	0	135,564	60.1%	3
Jul 28, 2026	117,959	667	182,904	64.5%	2
Jul 27, 2026	92,045	0	134,029	68.7%	2
Jul 24, 2026	79,910	0	143,658	55.6%	2

Daily short volume is transaction flow reported through FINRA facilities. It does not measure open short positions and is not consolidated exchange-wide volume.