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RYTM

Rhythm Pharmaceuticals, Inc.
$109.69 -0.27 (-0.25%) At close · Jul 15
Market Cap
$7.48B
Shares
68,532,607

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
80/100
Short interest 14.1% of shares — P94 Days to cover 7.6 — P92 Price vs VWAP +13.4% — P90 Short-volume trend -2.1% — P43 Short interest change +20.7% — P77 Worst FTD 0.03% of shares — P59

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 9,665,089 8,005,303 +1,659,786 7.57
2026-06-15 8,005,303 7,911,004 +94,299 11.58
2026-05-29 7,911,004 8,282,367 -371,363 14.78
2026-05-15 8,282,367 8,057,652 +224,715 8.28
2026-04-30 8,057,652 7,830,912 +226,740 14.55
2026-04-15 7,830,912 7,624,913 +205,999 12.81
2026-03-31 7,624,913 6,535,847 +1,089,066 5.93
2026-03-13 6,535,847 6,321,762 +214,085 7.59
2026-02-27 6,321,762 6,022,578 +299,184 9.10
2026-02-13 6,022,578 6,237,463 -214,885 7.90
2026-01-30 6,237,463 6,285,002 -47,539 11.80
2026-01-15 6,285,002 6,200,378 +84,624 9.87
2025-12-31 6,200,378 5,581,124 +619,254 8.04
2025-12-15 5,581,124 5,518,605 +62,519 4.98
2025-11-28 5,518,605 5,502,046 +16,559 8.53
2025-11-14 5,502,046 5,230,596 +271,450 7.00
2025-10-31 5,230,596 5,574,246 -343,650 9.24
2025-10-15 5,574,246 5,578,461 -4,215 10.56
2025-09-30 5,578,461 5,220,961 +357,500 7.83
2025-09-15 5,220,961 4,969,794 +251,167 8.57
2025-08-29 4,969,794 4,674,524 +295,270 9.80
2025-08-15 4,674,524 4,514,524 +160,000 7.45
2025-07-31 4,514,524 4,789,385 -274,861 8.27
Showing 1–23 of 23 settlements
Key facts CIK 1649904 CUSIP 76243J105 13F (30d) 20 filings 19 filers Visit website Investor relations