ORLY short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31

Short % of Float3.1%801,049,000 float shares

Days to Cover2.98,639,914 average daily volume

Open Short Position25,064,472O'Reilly Automotive, Inc. Comm

Change vs Previous+2,060,501+9.0%

Short interest history

Twice-monthly snapshots of open short positions.

Settlement	Short Position	Change	Change %	Days to Cover	Short % Float
Jul 31, 2026	25,064,472	+2,060,501	+9.0%	2.9	3.1%
Jul 15, 2026	23,003,971	-667,379	-2.8%	2.5	2.9%
Jun 30, 2026	23,671,350	-623,290	-2.6%	2.5	3.0%

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	557,800	487	1,335,866	41.8%	3
Aug 20, 2026	681,098	280	2,202,169	30.9%	3
Aug 19, 2026	368,109	1,329	1,273,088	28.9%	3
Aug 18, 2026	400,488	349	1,347,488	29.7%	3
Aug 17, 2026	432,260	88	1,582,018	27.3%	3
Aug 14, 2026	403,304	1,397	1,003,255	40.2%	3
Aug 13, 2026	543,913	556	1,480,876	36.7%	3
Aug 12, 2026	326,576	46	1,078,110	30.3%	3
Aug 11, 2026	384,194	99	1,164,525	33.0%	3
Aug 10, 2026	418,220	288	1,352,162	30.9%	3
Aug 7, 2026	495,386	2,430	1,500,671	33.0%	3
Aug 6, 2026	371,086	3,219	1,173,588	31.6%	3
Aug 5, 2026	806,608	9,706	2,433,611	33.1%	3
Aug 4, 2026	860,907	635	2,345,663	36.7%	3
Aug 3, 2026	578,237	703	1,582,087	36.5%	3
Jul 31, 2026	769,163	2,111	2,227,272	34.5%	3
Jul 30, 2026	1,936,557	5,936	5,106,751	37.9%	3
Jul 29, 2026	571,992	2,409	2,171,528	26.3%	3
Jul 28, 2026	2,265,429	2,376	4,568,571	49.6%	3
Jul 27, 2026	2,648,923	2,560	5,125,079	51.7%	3
Jul 24, 2026	229,515	4,120	2,434,769	9.4%	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.