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TSHA · Taysha Gene Therapies, Inc. · Short Interest

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$4.74 -0.13 (-2.67%) At close · Oct 1
Russell 2000 member Rebalance outlook locked
Market Cap
$1.52B
Shares
325.83M
Volume · Oct 1 3.85M Avg daily vol (3M) 3.16M

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 →

TSHA Latest Reported Short Interest

FINRA reported 51,405,384 TSHA shares sold short as of the September 15, 2026 settlement date, an increase of 4,604,960 shares. Days to cover was 18.78 based on FINRA's reported average daily volume.

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

TSHA Short Interest Forecast

Equibles' model estimates 54,942,326 shares sold short for the September 30, 2026 settlement, +6.9% versus the latest reported position, with a likely range of 49,426,392 to 61,666,657 shares. This model prediction uses FINRA data through September 30, 2026; FINRA's official release is expected October 9, 2026.

Model estimate

Expected Sep 30 short interest

as of Sep 30 High confidence 70% chance it rises
54,942,326 +6.9% vs reported
Likely range 49,426,392 to 61,666,657 The latest estimate appears in the chart below. Official release expected Oct 9. Methodology
Short Squeeze Score
68/100
Short interest 15.8% of shares — P96 Days to cover 18.8 — P96 Price vs VWAP -15.9% — P21 Short-volume trend +1.8% — P54 Short interest change +9.8% — P73 Worst FTD 0.00% of shares — P20

Positioning score 68.4 + 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 (2026-09-15). 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 2026-10-02 06:16 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
    2026-10-15 Scheduled
    FINRA publishes Oct 26
    		 — — — —
    2026-09-30 Scheduled
    FINRA publishes Oct 9
    		 — — — —
    2026-09-15 51,405,384 46,800,424 +4,604,960 18.78
    2026-08-31 46,800,424 46,738,149 +62,275 19.40
    2026-08-14 46,738,149 46,691,810 +46,339 17.42
    2026-07-31 46,691,810 45,292,910 +1,398,900 19.00
    2026-07-15 45,292,910 41,397,350 +3,895,560 13.34
    2026-06-30 41,397,350 38,727,385 +2,669,965 8.06
    2026-06-15 38,727,385 36,014,790 +2,712,595 15.38
    2026-05-29 36,014,790 36,701,725 -686,935 16.37
    2026-05-15 36,701,725 40,051,105 -3,349,380 15.09
    2026-04-30 40,051,105 38,915,976 +1,135,129 14.00
    2026-04-15 38,915,976 42,272,193 -3,356,217 14.24
    2026-03-31 42,272,193 46,392,223 -4,120,030 13.08
    2026-03-13 46,392,223 49,687,347 -3,295,124 15.86
    2026-02-27 49,687,347 48,961,816 +725,531 23.57
    2026-02-13 48,961,816 55,693,756 -6,731,940 21.59
    2026-01-30 55,693,756 56,847,309 -1,153,553 20.49
    2026-01-15 56,847,309 56,034,955 +812,354 20.13
    2025-12-31 56,034,955 48,586,771 +7,448,184 17.59
    2025-12-15 48,586,771 49,035,183 -448,412 13.28
    2025-11-28 49,035,183 48,083,858 +951,325 15.03
    2025-11-14 48,083,858 44,369,833 +3,714,025 10.89
    2025-10-31 44,369,833 41,975,904 +2,393,929 11.57
    2025-10-15 41,975,904 49,551,867 -7,575,963 2.43

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1806310 CUSIP 877619106 13F (30d) 5 filings 5 filers Visit website Investor relations