PFE · Pfizer Inc

$26.79 -0.01 (-0.04%) At close · Aug 14

Market Cap

$152.69B

5.70B

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

Model estimate

Expected Aug 14 short interest

as of Aug 14

160,113,274 -0.8% vs reported

The latest estimate appears in the chart below. Official release expected Aug 25. Methodology

Short Squeeze Score

61/100

Short interest 2.8% of shares — P58 Days to cover 4.2 — P61 Price vs VWAP +6.3% — P70 Short-volume trend +1.1% — P55 Short interest change -1.4% — P49 Worst FTD 0.11% of shares — P78

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-07-31). 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
2026-08-31 Scheduled FINRA publishes Sep 10	—	—	—	—	—
2026-08-14 Scheduled FINRA publishes Aug 25	—	—	—	—	—
2026-07-31	161,478,227	163,820,439	-2,342,212	38,594,371	4.18
2026-07-15	163,820,439	163,578,117	+242,322	42,807,581	3.83
2026-06-30	163,578,117	162,075,723	+1,502,394	60,914,282	2.69
2026-06-15	162,075,723	162,659,281	-583,558	35,201,004	4.60
2026-05-29	162,659,281	157,459,584	+5,199,697	32,807,683	4.96
2026-05-15	157,459,584	140,316,585	+17,142,999	38,197,706	4.12
2026-04-30	140,316,585	133,414,052	+6,902,533	35,018,455	4.01
2026-04-15	133,414,052	132,465,697	+948,355	33,400,197	3.99
2026-03-31	132,465,697	131,409,882	+1,055,815	43,043,658	3.08
2026-03-13	131,409,882	142,846,663	-11,436,781	40,476,968	3.25
2026-02-27	142,846,663	146,379,047	-3,532,384	35,102,643	4.07
2026-02-13	146,379,047	143,036,062	+3,342,985	58,100,251	2.52
2026-01-30	143,036,062	129,801,593	+13,234,469	51,541,353	2.78
2026-01-15	129,801,593	130,020,324	-218,731	47,505,184	2.73
2025-12-31	130,020,324	139,486,093	-9,465,769	47,481,814	2.74
2025-12-15	139,486,093	139,072,627	+413,466	46,900,267	2.97
2025-11-28	139,072,627	130,660,363	+8,412,264	55,545,625	2.50
2025-11-14	130,660,363	126,587,750	+4,072,613	126,043,706	1.04
2025-10-31	126,587,750	116,815,571	+9,772,179	59,344,065	2.13
2025-10-15	116,815,571	113,954,344	+2,861,227	63,461,564	1.84
2025-09-30	113,954,344	112,932,270	+1,022,074	60,455,578	1.88
2025-09-15	112,932,270	103,465,144	+9,467,126	43,588,389	2.59
2025-08-29	103,465,144	113,845,935	-10,380,791	36,433,348	2.84

Showing 1–23 of 23 settlements

Key facts CIK 78003 CUSIP 717081103 13F (30d) 2434 filings 2348 filers Visit website Investor relations