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CMPX · Compass Therapeutics, Inc. · Short Interest

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$0.83 -0.01 (-0.71%)
Russell 2000 member Rebalance outlook locked
Market Cap
$150.07M
Shares
180.09M
Volume · Oct 21 32.03K Avg daily vol (3M) 4.28M

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

Pull short interest history through the short interest API or MCP →

CMPX Latest Reported Short Interest

FINRA reported 40,357,710 CMPX shares sold short as of the September 30, 2026 settlement date, a decrease of 1,289,802 shares. Days to cover was 6.26 based on FINRA's reported average daily volume.

Official FINRA short-interest data · share counts are restated for subsequent splits of this listing

CMPX Short Interest Forecast

Equibles' model estimates 42,702,056 shares sold short for the October 15, 2026 settlement, +5.8% versus the latest reported position, with a likely range of 37,323,347 to 48,920,579 shares. This model prediction uses FINRA data through October 15, 2026; FINRA's official release is expected October 26, 2026.

Model estimate

Expected Oct 15 short interest

as of Oct 15 High confidence 68% chance it rises
42,702,056 +5.8% vs reported
Likely range 37,323,347 to 48,920,579 The latest estimate appears in the chart below. Official release expected Oct 26. Methodology
Short Squeeze Score
63/100
Short interest 22.4% of shares — P98 Days to cover 6.3 — P79 Price vs VWAP -46.2% — P5 Short-volume trend -1.7% — P45 Short interest change -3.1% — P38 Worst FTD 0.02% of shares — P60

Positioning score 62.7 + catalyst boost 0 (total capped at 100). This is a screening index, not a probability of a squeeze.

Method and coverage limits

Factor percentiles compare eligible primary operating-company stocks reporting short interest at the latest settlement date (2026-09-30). The weighted mean uses short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, and fails-to-deliver 10%. Missing factors redistribute their weight; incomplete coverage is not evidence of low risk. Price, volume, and earnings boosts add 10 each, capped at 20.

Shares outstanding are not free float. Borrow fees, utilization, lendable supply, recalls, and dealer inventory are not measured. Short-sale volume does not measure the change in open shorts; fails to deliver are not a borrow-cost measurement; price vs VWAP does not establish short sellers' entry prices. Earnings can move prices in either direction.

The weights are judgment-based, not calibrated to future squeeze outcomes. The separate options assessment below does not change this universe ranking.

Options positioning & squeeze sensitivity

Nearest expiration after today within 30 calendar days; same-day expirations and later maturities are excluded.

Open interest is incomplete, stale, or dated inconsistently; positioning totals are unavailable.

Open interest has both a buyer and a seller; it does not reveal dealer hedge direction. Gross gamma sums both calls and puts without netting and uses a local 1% price-change approximation. It measures sensitivity, not predicted buying or a squeeze probability.

Assessment prepared 2026-10-21 13:39 UTC. Options model values may come from a cached snapshot; their original computation time is not supplied. Open interest has its own effective date.

1M 3M 6M 1Y 5Y All
Dimensions
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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-10-30 Scheduled
    FINRA publishes Nov 10
    		 — — — —
    2026-10-15 Scheduled
    FINRA publishes Oct 26
    		 — — — —
    2026-09-30 40,357,710 41,647,512 -1,289,802 6.26
    2026-09-15 41,647,512 40,788,891 +858,621 15.99
    2026-08-31 40,788,891 40,197,938 +590,953 17.26
    2026-08-14 40,197,938 39,874,250 +323,688 9.78
    2026-07-31 39,874,250 39,298,468 +575,782 17.62
    2026-07-15 39,298,468 37,138,819 +2,159,649 15.67
    2026-06-30 37,138,819 32,497,225 +4,641,594 8.89
    2026-06-15 32,497,225 33,270,343 -773,118 9.48
    2026-05-29 33,270,343 31,022,699 +2,247,644 6.41
    2026-05-15 31,022,699 30,416,716 +605,983 4.07
    2026-04-30 30,416,716 26,068,017 +4,348,699 1.35
    2026-04-15 26,068,017 26,127,480 -59,463 9.43
    2026-03-31 26,127,480 23,817,914 +2,309,566 12.05
    2026-03-13 23,817,914 23,008,490 +809,424 11.82
    2026-02-27 23,008,490 22,364,641 +643,849 12.27
    2026-02-13 22,364,641 21,933,707 +430,934 11.30
    2026-01-30 21,933,707 22,994,014 -1,060,307 9.88
    2026-01-15 22,994,014 21,587,650 +1,406,364 7.80
    2025-12-31 21,587,650 18,506,099 +3,081,551 10.73
    2025-12-15 18,506,099 17,414,818 +1,091,281 11.08
    2025-11-28 17,414,818 16,608,425 +806,393 8.30
    2025-11-14 16,608,425 16,699,205 -90,780 7.73
    2025-10-31 16,699,205 15,358,838 +1,340,367 9.26

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1738021 CUSIP 20454B104 13F (30d) 11 filings 11 filers Visit website Investor relations