MCK · Mckesson Corp

$893.39 +2.88 (+0.32%) At close · Aug 28

S&P 500 member Russell 1000 member Rebalance outlook locked

Market Cap

$103.82B

116.59M

Shares sold short and not yet covered, reported twice monthly. Days to cover is the reported short position divided by average daily volume.

MCK Short Interest Forecast

Equibles' model estimates 2,464,056 shares sold short for the August 31, 2026 settlement, +1.8% versus the latest reported position. This model prediction uses FINRA data through August 21, 2026; FINRA's official release is expected September 10, 2026.

Model estimate

Expected Aug 31 short interest

as of Aug 21

2,464,056 +1.8% vs reported

The latest estimate appears in the chart below. Official release expected Sep 10. Methodology

Short Squeeze Score

49/100

Short interest 2.1% of shares — P51 Days to cover 2.2 — P40 Price vs VWAP +9.9% — P81 Short-volume trend -3.4% — P38 Short interest change -33.0% — P9 Worst FTD 0.03% of shares — P71

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-08-14). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.

1M 3M 6M 1Y 5Y All

Short Interest History

Settlement Date	Current Position	Previous Position	Change	Avg Daily Volume	Days to Cover
2026-09-15 Scheduled FINRA publishes Sep 24	—	—	—	—	—
2026-08-31 Scheduled FINRA publishes Sep 10	—	—	—	—	—
2026-08-14	2,419,484	3,613,111	-1,193,627	1,116,036	2.17
2026-07-31	3,613,111	3,878,060	-264,949	940,487	3.84
2026-07-15	3,878,060	4,117,777	-239,717	941,580	4.12
2026-06-30	4,117,777	4,450,184	-332,407	1,448,436	2.84
2026-06-15	4,450,184	5,237,307	-787,123	822,355	5.41
2026-05-29	5,237,307	2,879,151	+2,358,156	1,583,536	3.31
2026-05-15	2,879,151	2,711,457	+167,694	1,410,153	2.04
2026-04-30	2,711,457	2,576,911	+134,546	869,867	3.12
2026-04-15	2,576,911	2,495,929	+80,982	671,527	3.84
2026-03-31	2,495,929	1,921,129	+574,800	855,279	2.92
2026-03-13	1,921,129	2,063,127	-141,998	700,271	2.74
2026-02-27	2,063,127	1,865,575	+197,552	656,088	3.14
2026-02-13	1,865,575	1,841,966	+23,609	1,145,575	1.63
2026-01-30	1,841,966	2,029,575	-187,609	602,923	3.06
2026-01-15	2,029,575	1,988,268	+41,307	569,354	3.56
2025-12-31	1,988,268	2,123,463	-135,195	528,991	3.76
2025-12-15	2,123,463	2,009,117	+114,346	942,564	2.25
2025-11-28	2,009,117	1,906,137	+102,980	742,374	2.71
2025-11-14	1,906,137	2,046,773	-140,636	812,635	2.35
2025-10-31	2,046,773	2,327,398	-280,625	580,922	3.52
2025-10-15	2,327,398	2,448,361	-120,963	649,886	3.58
2025-09-30	2,448,361	1,845,330	+603,031	880,597	2.78
2025-09-15	1,845,330	1,878,026	-32,696	605,575	3.05
2025-08-29	1,878,026	1,877,233	+793	855,658	2.19

Full FINRA short interest reporting calendar

Showing 1–24 of 24 settlements

Key facts CIK 927653 CUSIP 58155Q103 13F (30d) 1318 filings 1262 filers Visit website Investor relations