SPOK short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31

Short % of Float3.2%18,094,800 float shares

Days to Cover4.1141,131 average daily volume

Open Short Position577,280Spok Holdings, Inc. Common Sto

Change vs Previous+17,078+3.0%

Short interest history

Twice-monthly snapshots of open short positions.

Settlement	Short Position	Change	Change %	Days to Cover	Short % Float
Jul 31, 2026	577,280	+17,078	+3.0%	4.1	3.2%
Jul 15, 2026	560,202	+76,182	+15.7%	3.8	3.1%
Jun 30, 2026	484,020	+25,290	+5.5%	2.0	2.7%

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	32,887	10	87,276	37.7%	2
Aug 20, 2026	31,746	0	86,656	36.6%	2
Aug 19, 2026	36,350	197	83,856	43.3%	2
Aug 18, 2026	64,159	7	91,456	70.2%	3
Aug 17, 2026	95,171	105	116,180	81.9%	3
Aug 14, 2026	24,271	0	80,064	30.3%	3
Aug 13, 2026	26,579	50	51,487	51.6%	3
Aug 12, 2026	39,606	0	61,685	64.2%	2
Aug 11, 2026	26,722	0	58,791	45.5%	2
Aug 10, 2026	21,696	56	65,011	33.4%	3
Aug 7, 2026	15,099	49	37,747	40.0%	3
Aug 6, 2026	35,323	0	67,394	52.4%	3
Aug 5, 2026	64,924	0	114,937	56.5%	3
Aug 4, 2026	31,830	2	84,820	37.5%	3
Aug 3, 2026	29,857	200	79,985	37.3%	2
Jul 31, 2026	33,758	0	46,459	72.7%	3
Jul 30, 2026	46,039	0	77,461	59.4%	3
Jul 29, 2026	24,580	0	38,764	63.4%	2
Jul 28, 2026	20,034	0	61,610	32.5%	3
Jul 27, 2026	32,763	0	50,544	64.8%	3
Jul 24, 2026	22,481	0	47,179	47.7%	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.