BSX · Boston Scientific Corp

$46.84 +0.17 (+0.36%) At close · Aug 28

S&P 500 member Russell 1000 member Rebalance outlook locked

Market Cap

$67.88B

1.45B

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

BSX Short Interest Forecast

Equibles' model estimates 28,878,939 shares sold short for the August 31, 2026 settlement, +4.6% 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

28,878,939 +4.6% vs reported

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

Short Squeeze Score

51/100

Short interest 1.9% of shares — P49 Days to cover 1.6 — P33 Price vs VWAP 0.0% — P50 Short-volume trend +6.8% — P74 Short interest change +24.0% — P87 Worst FTD 0.00% of shares — P27

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	27,617,554	22,276,201	+5,341,353	17,642,161	1.57
2026-07-31	22,276,201	28,281,040	-6,004,839	21,974,600	1.01
2026-07-15	28,281,040	27,938,624	+342,416	16,776,824	1.69
2026-06-30	27,938,624	29,750,309	-1,811,685	23,398,673	1.19
2026-06-15	29,750,309	57,491,117	-27,740,808	20,617,498	1.44
2026-05-29	57,491,117	31,423,298	+26,067,819	25,507,630	2.25
2026-05-15	31,423,298	28,642,737	+2,780,561	17,713,835	1.77
2026-04-30	28,642,737	25,614,558	+3,028,179	21,126,230	1.36
2026-04-15	25,614,558	23,529,218	+2,085,340	14,196,053	1.80
2026-03-31	23,529,218	25,441,563	-1,912,345	16,507,632	1.43
2026-03-13	25,441,563	26,261,043	-819,480	12,874,974	1.98
2026-02-27	26,261,043	26,641,433	-380,390	13,520,963	1.94
2026-02-13	26,641,433	28,281,105	-1,639,672	27,986,053	1.00
2026-01-30	28,281,105	23,415,429	+4,865,676	14,359,024	1.97
2026-01-15	23,415,429	20,010,940	+3,404,489	10,294,612	2.27
2025-12-31	20,010,940	19,144,680	+866,260	8,454,112	2.37
2025-12-15	19,144,680	18,734,072	+410,608	10,117,284	1.89
2025-11-28	18,734,072	21,076,004	-2,341,932	9,892,043	1.89
2025-11-14	21,076,004	19,453,503	+1,622,501	7,709,891	2.73
2025-10-31	19,453,503	19,634,328	-180,825	8,516,401	2.28
2025-10-15	19,634,328	19,401,596	+232,732	9,665,641	2.03
2025-09-30	19,401,596	19,015,043	+386,553	13,301,110	1.46
2025-09-15	19,015,043	18,992,023	+23,020	8,063,283	2.36

Full FINRA short interest reporting calendar

Showing 1–23 of 23 settlements

Key facts CIK 885725 CUSIP 101137107 13F (30d) 1074 filings 995 filers Visit website Investor relations