HYLN short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31

Short % of Float13.2%125,586,000 float shares

Days to Cover5.92,796,537 average daily volume

Open Short Position16,560,477Hyliion Holdings Corp.

Change vs Previous+1,439,533+9.5%

Short interest history

Twice-monthly snapshots of open short positions.

Settlement	Short Position	Change	Change %	Days to Cover	Short % Float
Jul 31, 2026	16,560,477	+1,439,533	+9.5%	5.9	13.2%
Jul 15, 2026	15,120,944	+3,821,199	+33.8%	5.4	12.0%
Jun 30, 2026	11,299,745	+672,086	+6.3%	1.8	9.0%

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	607,914	59,983	1,098,995	55.3%	3
Aug 20, 2026	957,056	66,045	1,767,655	54.1%	3
Aug 19, 2026	964,330	502	1,443,851	66.8%	3
Aug 18, 2026	844,241	5,483	1,283,090	65.8%	3
Aug 17, 2026	673,543	1,335	1,088,014	61.9%	3
Aug 14, 2026	1,258,942	10,508	1,808,624	69.6%	3
Aug 13, 2026	1,883,553	3,904	3,299,892	57.1%	3
Aug 12, 2026	3,382,268	44,221	5,631,023	60.1%	3
Aug 11, 2026	964,107	548	1,383,914	69.7%	3
Aug 10, 2026	961,537	1,515	1,317,680	73.0%	3
Aug 7, 2026	584,021	1,731	943,879	61.9%	3
Aug 6, 2026	608,091	0	930,807	65.3%	3
Aug 5, 2026	599,409	6,818	827,491	72.4%	2
Aug 4, 2026	663,510	260	1,255,947	52.8%	3
Aug 3, 2026	471,176	0	772,950	61.0%	3
Jul 31, 2026	449,521	178	658,460	68.3%	2
Jul 30, 2026	550,126	0	1,138,959	48.3%	3
Jul 29, 2026	699,019	115,057	1,319,995	53.0%	3
Jul 28, 2026	683,765	107,044	1,102,888	62.0%	3
Jul 27, 2026	481,182	97,178	809,215	59.5%	3
Jul 24, 2026	784,541	26,424	1,228,373	63.9%	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.