TMUS short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31

Short % of Float3.7%484,955,000 float shares

Days to Cover3.35,502,662 average daily volume

Open Short Position18,076,785T-Mobile US, Inc. Common Stock

Change vs Previous-4,456,757-19.8%

Short interest history

Twice-monthly snapshots of open short positions.

Settlement	Short Position	Change	Change %	Days to Cover	Short % Float
Jul 31, 2026	18,076,785	-4,456,757	-19.8%	3.3	3.7%
Jul 15, 2026	22,533,542	+2,522,762	+12.6%	4.8	4.6%
Jun 30, 2026	20,010,780	-3,492,630	-14.9%	2.8	4.1%

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	402,738	1,872	1,271,252	31.7%	3
Aug 20, 2026	515,101	47	1,404,118	36.7%	3
Aug 19, 2026	577,012	5,241	1,141,919	50.5%	3
Aug 18, 2026	350,560	1,550	1,369,701	25.6%	3
Aug 17, 2026	504,187	1,448	1,049,510	48.0%	3
Aug 14, 2026	471,772	0	1,033,558	45.6%	3
Aug 13, 2026	371,834	4,785	1,064,519	34.9%	3
Aug 12, 2026	282,239	158	904,009	31.2%	3
Aug 11, 2026	425,153	4,225	1,197,790	35.5%	3
Aug 10, 2026	640,167	4,485	1,283,921	49.9%	3
Aug 7, 2026	493,601	179	1,402,405	35.2%	3
Aug 6, 2026	692,039	2,534	1,573,514	44.0%	3
Aug 5, 2026	779,776	8,443	1,861,076	41.9%	3
Aug 4, 2026	690,377	60	1,505,447	45.9%	3
Aug 3, 2026	602,631	159	1,499,480	40.2%	3
Jul 31, 2026	764,263	1,109	2,406,204	31.8%	3
Jul 30, 2026	1,027,742	183	2,443,247	42.1%	3
Jul 29, 2026	1,173,173	47	2,686,876	43.7%	3
Jul 28, 2026	936,541	3,193	1,833,660	51.1%	3
Jul 27, 2026	1,096,860	783	1,998,663	54.9%	3
Jul 24, 2026	1,004,002	15,943	2,178,118	46.1%	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.