CMPS short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31

Short % of Float13.1%104,139,000 float shares

Days to Cover3.63,816,151 average daily volume

Open Short Position13,640,893COMPASS Pathways Plc American

Change vs Previous+797,327+6.2%

Short interest history

Twice-monthly snapshots of open short positions.

Settlement	Short Position	Change	Change %	Days to Cover	Short % Float
Jul 31, 2026	13,640,893	+797,327	+6.2%	3.6	13.1%
Jul 15, 2026	12,843,566	+2,669,885	+26.2%	2.6	12.3%
Jun 30, 2026	10,173,681	+1,815,635	+21.7%	3.1	9.8%

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	424,001	0	839,223	50.5%	3
Aug 20, 2026	305,758	5,752	878,681	34.8%	3
Aug 19, 2026	487,733	273	1,294,744	37.7%	3
Aug 18, 2026	494,125	203	1,349,171	36.6%	3
Aug 17, 2026	345,783	300	772,160	44.8%	3
Aug 14, 2026	206,105	774	545,798	37.8%	3
Aug 13, 2026	510,735	34,471	1,233,949	41.4%	3
Aug 12, 2026	802,408	1,863	1,828,597	43.9%	3
Aug 11, 2026	274,932	47	857,302	32.1%	3
Aug 10, 2026	189,040	1,014	756,720	25.0%	3
Aug 7, 2026	360,009	1,340	1,817,165	19.8%	3
Aug 6, 2026	337,762	1,265	1,100,811	30.7%	3
Aug 5, 2026	1,093,076	400	3,288,765	33.2%	3
Aug 4, 2026	408,860	1,702	1,096,566	37.3%	3
Aug 3, 2026	642,257	30,108	1,333,986	48.1%	3
Jul 31, 2026	390,171	4,245	947,176	41.2%	3
Jul 30, 2026	368,885	236	866,814	42.6%	3
Jul 29, 2026	495,532	675	1,197,130	41.4%	3
Jul 28, 2026	454,741	9,902	1,185,751	38.4%	3
Jul 27, 2026	360,820	811	936,121	38.5%	3
Jul 24, 2026	497,044	14,715	1,491,005	33.3%	3

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