REFR short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31

Short % of Float1.0%27,190,900 float shares

Days to Cover4.462,680 average daily volume

Open Short Position277,427Research Frontiers Incorporate

Change vs Previous-67,916-19.7%

Short interest history

Twice-monthly snapshots of open short positions.

Settlement	Short Position	Change	Change %	Days to Cover	Short % Float
Jul 31, 2026	277,427	-67,916	-19.7%	4.4	1.0%
Jul 15, 2026	345,343	+23,777	+7.4%	6.6	1.3%
Jun 30, 2026	321,566	-35,214	-9.9%	4.2	1.2%

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	13,740	0	52,575	26.1%	2
Aug 20, 2026	27,123	0	84,106	32.2%	2
Aug 19, 2026	126,964	1,823	176,897	71.8%	2
Aug 18, 2026	14,175	0	21,351	66.4%	2
Aug 17, 2026	20,446	0	43,173	47.4%	2
Aug 14, 2026	4,366	0	9,059	48.2%	2
Aug 13, 2026	11,818	2,300	37,317	31.7%	2
Aug 12, 2026	19,718	0	44,278	44.5%	2
Aug 11, 2026	4,508	0	15,160	29.7%	2
Aug 10, 2026	52,860	0	89,830	58.8%	2
Aug 7, 2026	41,710	0	62,813	66.4%	2
Aug 6, 2026	103,463	0	150,354	68.8%	3
Aug 5, 2026	5,988	0	13,666	43.8%	2
Aug 4, 2026	23,529	0	39,920	58.9%	2
Aug 3, 2026	74,756	77	140,728	53.1%	2
Jul 31, 2026	22,690	300	63,658	35.6%	2
Jul 30, 2026	3,060	957	10,652	28.7%	2
Jul 29, 2026	29,336	27,441	73,433	39.9%	1
Jul 28, 2026	24,027	1,265	84,567	28.4%	2
Jul 27, 2026	13,888	0	22,619	61.4%	2
Jul 24, 2026	5,853	0	9,236	63.4%	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.