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IBIO · iBio, Inc.

$1.41 +0.04 (+2.92%) At close · Jul 21
Market Cap
$67.81M
Shares
49.68M

Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.

Short Squeeze Score
76/100
Short interest 9.4% of shares — P88 Days to cover 5.1 — P81 Price vs VWAP -16.0% — P19 Short-volume trend +25.7% — P97 Short interest change +25.0% — P80 Worst FTD 0.16% of shares — P80

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-06-30). 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
2026-06-30 4,694,085 3,755,035 +939,050 5.07
2026-06-15 3,755,035 3,760,082 -5,047 4.81
2026-05-29 3,760,082 3,408,695 +351,387 4.81
2026-05-15 3,408,695 3,416,605 -7,910 3.56
2026-04-30 3,416,605 3,640,721 -224,116 3.27
2026-04-15 3,640,721 4,179,062 -538,341 6.70
2026-03-31 4,179,062 4,192,484 -13,422 3.42
2026-03-13 4,192,484 3,933,560 +258,924 4.34
2026-02-27 3,933,560 4,183,442 -249,882 3.72
2026-02-13 4,183,442 3,853,117 +330,325 3.52
2026-01-30 3,853,117 3,894,136 -41,019 3.73
2026-01-15 3,894,136 3,795,021 +99,115 1.00
2025-12-31 3,795,021 3,906,126 -111,105 2.51
2025-12-15 3,906,126 1,947,486 +1,958,640 1.00
2025-11-28 1,947,486 1,174,064 +773,422 1.94
2025-11-14 1,174,064 2,460,602 -1,286,538 1.00
2025-10-31 2,460,602 412,382 +2,048,220 1.00
2025-10-15 412,382 472,896 -60,514 1.29
2025-09-30 472,896 903,899 -431,003 1.37
2025-09-15 903,899 2,142,846 -1,238,947 1.64
2025-08-29 2,142,846 1,130,409 +1,012,437 1.00
2025-08-15 1,130,409 553,594 +576,815 1.64
2025-07-31 553,594 468,388 +85,206 1.29
Showing 1–23 of 23 settlements
Key facts CIK 1420720 CUSIP 451033708 13F (30d) 3 filings 3 filers Visit website Investor relations