DXCM short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31

Short % of Float4.7%375,998,000 float shares

Days to Cover3.55,089,808 average daily volume

Open Short Position17,545,086DexCom, Inc. Common Stock

Change vs Previous-1,109,638-6.0%

Short interest history

Twice-monthly snapshots of open short positions.

Settlement	Short Position	Change	Change %	Days to Cover	Short % Float
Jul 31, 2026	17,545,086	-1,109,638	-6.0%	3.5	4.7%
Jul 15, 2026	18,654,724	+545,456	+3.0%	4.4	5.0%
Jun 30, 2026	18,109,268	+1,091,448	+6.4%	3.6	4.8%

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	576,511	426	1,087,622	53.0%	3
Aug 20, 2026	920,892	1	2,374,967	38.8%	3
Aug 19, 2026	1,307,572	0	5,076,320	25.8%	3
Aug 18, 2026	543,187	59	1,082,552	50.2%	3
Aug 17, 2026	522,112	7,533	857,506	60.9%	3
Aug 14, 2026	845,006	34	1,506,435	56.1%	3
Aug 13, 2026	896,960	371	1,718,511	52.2%	3
Aug 12, 2026	1,514,747	2,696	2,193,278	69.1%	3
Aug 11, 2026	1,405,739	432	2,192,330	64.1%	3
Aug 10, 2026	2,051,512	2,122	3,656,637	56.1%	3
Aug 7, 2026	1,030,359	0	1,750,128	58.9%	3
Aug 6, 2026	726,302	81	1,069,068	67.9%	3
Aug 5, 2026	1,385,828	6,437	2,185,774	63.4%	3
Aug 4, 2026	1,496,683	67	2,673,417	56.0%	3
Aug 3, 2026	2,182,695	2,016	3,109,639	70.2%	3
Jul 31, 2026	2,646,746	4,658	5,573,389	47.5%	3
Jul 30, 2026	1,117,570	21,631	2,056,730	54.3%	3
Jul 29, 2026	638,091	4	1,902,256	33.5%	3
Jul 28, 2026	662,044	996	1,663,807	39.8%	3
Jul 27, 2026	615,110	27,024	1,622,266	37.9%	3
Jul 24, 2026	539,234	469	1,017,765	53.0%	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.