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SIGA · Siga Technologies Inc

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$3.04 +0.07 (+2.36%) At close · Aug 21
Market Cap
$218.42M
Shares
71.85M

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
3,782,081 +2.4% vs reported
The latest estimate appears in the chart below. Official release expected Aug 25. Methodology
Short Squeeze Score
44/100
Short interest 5.1% of shares — P74 Days to cover 3.9 — P57 Price vs VWAP -15.5% — P17 Short-volume trend -28.1% — P3 Short interest change -6.1% — P36 Worst FTD 0.00% of shares — P36

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.

Short Interest History

Settlement Date Current Position Previous Position Change Days to Cover
2026-08-31 Scheduled
FINRA publishes Sep 10
2026-08-14 Scheduled
FINRA publishes Aug 25
2026-07-31 3,692,365 3,932,494 -240,129 3.86
2026-07-15 3,932,494 3,464,782 +467,712 6.89
2026-06-30 3,464,782 3,410,109 +54,673 4.55
2026-06-15 3,410,109 3,568,868 -158,759 9.42
2026-05-29 3,568,868 3,313,595 +255,273 6.63
2026-05-15 3,313,595 3,337,368 -23,773 6.11
2026-04-30 3,337,368 3,237,447 +99,921 8.16
2026-04-15 3,237,447 3,481,817 -244,370 3.62
2026-03-31 3,481,817 3,148,198 +333,619 4.06
2026-03-13 3,148,198 3,374,883 -226,685 4.29
2026-02-27 3,374,883 3,333,490 +41,393 7.00
2026-02-13 3,333,490 3,179,185 +154,305 9.03
2026-01-30 3,179,185 3,369,074 -189,889 10.25
2026-01-15 3,369,074 3,190,557 +178,517 9.19
2025-12-31 3,190,557 3,201,535 -10,978 10.06
2025-12-15 3,201,535 3,260,435 -58,900 9.14
2025-11-28 3,260,435 3,118,171 +142,264 8.65
2025-11-14 3,118,171 2,830,525 +287,646 5.64
2025-10-31 2,830,525 2,737,982 +92,543 8.77
2025-10-15 2,737,982 2,739,845 -1,863 6.90
2025-09-30 2,739,845 2,856,956 -117,111 5.78
2025-09-15 2,856,956 2,770,866 +86,090 5.18
2025-08-29 2,770,866 2,747,884 +22,982 5.72
Showing 1–23 of 23 settlements
Key facts CIK 1010086 CUSIP 826917106 13F (30d) 138 filings 138 filers Visit website Investor relations