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CTMX · CytomX Therapeutics, Inc. · Short Interest

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$2.04 +0.00 (+0.00%) At close · Nov 13 Play latest call Q3 2026 earnings call transcript
Russell 2000 member Rebalance outlook locked
Market Cap
$444.73M
Shares
218.00M
Volume · Nov 13 2.72M Avg daily vol (3M) 4.16M

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 →

CTMX Latest Reported Short Interest

FINRA reported 45,246,966 CTMX shares sold short as of the October 30, 2026 settlement date, an increase of 2,456,520 shares. Days to cover was 11.99 based on FINRA's reported average daily volume.

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

CTMX Short Interest Forecast

Equibles' model estimates 45,172,308 shares sold short for the November 13, 2026 settlement, -0.2% versus the latest reported position, with a likely range of 40,877,535 to 49,915,848 shares. This model prediction uses FINRA data through November 13, 2026; FINRA's official release is expected November 24, 2026.

Model estimate

Expected Nov 13 short interest

as of Nov 13 Low confidence 49% chance it rises
45,172,308 -0.2% vs reported
Likely range 40,877,535 to 49,915,848 The latest estimate appears in the chart below. Official release expected Nov 24. Methodology
Short Squeeze Score
66/100
Short interest 20.8% of shares — P98 Days to cover 12.0 — P92 Price vs VWAP -23.6% — P22 Short-volume trend -8.4% — P23 Short interest change +5.7% — P72 Worst FTD 0.00% of shares — P43

Positioning score 66.1 + 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 (2026-10-30). 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 2026-11-15 06:02 UTC. Options model values may come from a cached snapshot; their original computation time is not supplied. Open interest has its own effective date.

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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-11-30 Scheduled
    FINRA publishes Dec 9
    		 — — — —
    2026-11-13 Scheduled
    FINRA publishes Nov 24
    		 — — — —
    2026-10-30 45,246,966 42,790,446 +2,456,520 11.99
    2026-10-15 42,790,446 40,813,393 +1,977,053 13.78
    2026-09-30 40,813,393 38,639,220 +2,174,173 8.67
    2026-09-15 38,639,220 33,512,293 +5,126,927 9.29
    2026-08-31 33,512,293 34,619,999 -1,107,706 11.81
    2026-08-14 34,619,999 35,110,952 -490,953 15.93
    2026-07-31 35,110,952 40,322,256 -5,211,304 11.78
    2026-07-15 40,322,256 35,567,462 +4,754,794 10.38
    2026-06-30 35,567,462 30,605,562 +4,961,900 4.32
    2026-06-15 30,605,562 28,719,341 +1,886,221 8.65
    2026-05-29 28,719,341 31,133,767 -2,414,426 9.31
    2026-05-15 31,133,767 29,742,798 +1,390,969 10.32
    2026-04-30 29,742,798 27,517,975 +2,224,823 8.44
    2026-04-15 27,517,975 22,031,153 +5,486,822 5.41
    2026-03-31 22,031,153 20,415,174 +1,615,979 1.14
    2026-03-13 20,415,174 18,864,576 +1,550,598 7.10
    2026-02-27 18,864,576 16,961,879 +1,902,697 8.03
    2026-02-13 16,961,879 14,813,750 +2,148,129 4.66
    2026-01-30 14,813,750 16,118,163 -1,304,413 3.33
    2026-01-15 16,118,163 23,696,755 -7,578,592 7.49
    2025-12-31 23,696,755 16,770,738 +6,926,017 6.56
    2025-12-15 16,770,738 17,187,962 -417,224 9.20
    2025-11-28 17,187,962 29,319,732 -12,131,770 7.62

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1501989 CUSIP 23284F105 13F (30d) 139 filings 124 filers Visit website Investor relations