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TWST · Twist Bioscience Corp · Short Interest

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$159.85 +14.60 (+10.05%) At close · Oct 27 Q3 2026 earnings call transcript
Russell 2000 member Rebalance outlook locked
Market Cap
$9.84B
Shares
62.71M
Volume · Oct 27 1.76M Avg daily vol (3M) 2.25M

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 →

TWST Latest Reported Short Interest

FINRA reported 10,207,499 TWST shares sold short as of the October 15, 2026 settlement date, a decrease of 359,633 shares. Days to cover was 2.82 based on FINRA's reported average daily volume.

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

TWST Short Interest Forecast

Equibles' model estimates 10,374,037 shares sold short for the October 30, 2026 settlement, +1.6% versus the latest reported position, with a likely range of 9,283,007 to 11,652,835 shares. This model prediction uses FINRA data through October 27, 2026; FINRA's official release is expected November 10, 2026.

Model estimate

Expected Oct 30 short interest

as of Oct 27 Low confidence 55% chance it rises
10,374,037 +1.6% vs reported
Likely range 9,283,007 to 11,652,835 The latest estimate appears in the chart below. Official release expected Nov 10. Methodology
Short Squeeze Score
66/100
Short interest 16.3% of shares — P96 Days to cover 2.8 — P43 Price vs VWAP +8.2% — P90 Short-volume trend -2.7% — P40 Short interest change -3.4% — P37 Worst FTD 0.01% of shares — P56

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 (2026-10-15). 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 2026-10-28 06:00 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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Dimensions
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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-11-13 Scheduled
    FINRA publishes Nov 24
    		 — — — —
    2026-10-30 Scheduled
    FINRA publishes Nov 10
    		 — — — —
    2026-10-15 10,207,499 10,567,132 -359,633 2.82
    2026-09-30 10,567,132 12,505,220 -1,938,088 3.83
    2026-09-15 12,505,220 12,065,357 +439,863 8.92
    2026-08-31 12,065,357 14,109,131 -2,043,774 6.91
    2026-08-14 14,109,131 14,075,357 +33,774 7.90
    2026-07-31 14,075,357 14,116,574 -41,217 11.12
    2026-07-15 14,116,574 13,949,973 +166,601 9.69
    2026-06-30 13,949,973 17,660,235 -3,710,262 5.51
    2026-06-15 17,660,235 14,898,695 +2,761,540 9.58
    2026-05-29 14,898,695 16,578,578 -1,679,883 8.99
    2026-05-15 16,578,578 13,914,949 +2,663,629 10.40
    2026-04-30 13,914,949 14,522,121 -607,172 10.46
    2026-04-15 14,522,121 14,149,704 +372,417 12.59
    2026-03-31 14,149,704 12,863,285 +1,286,419 11.94
    2026-03-13 12,863,285 12,726,314 +136,971 14.01
    2026-02-27 12,726,314 13,006,730 -280,416 9.82
    2026-02-13 13,006,730 12,167,392 +839,338 7.30
    2026-01-30 12,167,392 12,504,532 -337,140 10.07
    2026-01-15 12,504,532 14,259,994 -1,755,462 9.05
    2025-12-31 14,259,994 13,742,759 +517,235 13.04
    2025-12-15 13,742,759 12,752,433 +990,326 11.65
    2025-11-28 12,752,433 10,898,965 +1,853,468 6.81
    2025-11-14 10,898,965 10,548,267 +350,698 5.89
    2025-10-31 10,548,267 10,860,765 -312,498 6.38

    Full FINRA short interest reporting calendar

    Showing 1–24 of 24 settlements
    Key facts CIK 1581280 CUSIP 90184D100 13F (30d) 73 filings 68 filers Visit website Investor relations