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SPIR · Spire Global, Inc.

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$12.00 -0.02 (-0.17%)
Russell 2000 member Rebalance outlook locked
Market Cap
$535.00M
Shares
40.62M

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

SPIR Latest Reported Short Interest

FINRA reported 3,766,878 SPIR shares sold short as of the August 14, 2026 settlement date, a decrease of 442,678 shares. Days to cover was 6.25 based on FINRA's reported average daily volume.

Official FINRA short-interest data · share counts are restated for subsequent stock splits

SPIR Short Interest Forecast

Equibles' model estimates 3,879,449 shares sold short for the August 31, 2026 settlement, +3.0% versus the latest reported position, with a likely range of 3,428,318 to 4,417,959 shares. This model prediction uses FINRA data through August 31, 2026; FINRA's official release is expected September 10, 2026.

Model estimate

Expected Aug 31 short interest

as of Aug 31 High confidence 65% chance it rises
3,879,449 +3.0% vs reported
Likely range 3,428,318 to 4,417,959 The latest estimate appears in the chart below. Official release expected Sep 10. Methodology
Short Squeeze Score
66/100
Short interest 9.3% of shares — P89 Days to cover 6.3 — P78 Price vs VWAP -24.6% — P10 Short-volume trend +6.4% — P73 Short interest change -10.5% — P25 Worst FTD 0.29% of shares — P91

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-08-14). 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.

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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-09-15 Scheduled
    FINRA publishes Sep 24
    		 — — — —
    2026-08-31 Scheduled
    FINRA publishes Sep 10
    		 — — — —
    2026-08-14 3,766,878 4,209,556 -442,678 6.25
    2026-07-31 4,209,556 4,264,763 -55,207 4.92
    2026-07-15 4,264,763 4,294,441 -29,678 5.02
    2026-06-30 4,294,441 4,440,358 -145,917 2.55
    2026-06-15 4,440,358 4,234,344 +206,014 3.08
    2026-05-29 4,234,344 4,454,843 -220,499 2.45
    2026-05-15 4,454,843 5,719,729 -1,264,886 2.66
    2026-04-30 5,719,729 6,173,856 -454,127 3.26
    2026-04-15 6,173,856 3,619,050 +2,554,806 1.66
    2026-03-31 3,619,050 3,750,995 -131,945 3.98
    2026-03-13 3,750,995 3,615,079 +135,916 7.42
    2026-02-27 3,615,079 3,472,243 +142,836 8.75
    2026-02-13 3,472,243 3,364,438 +107,805 6.39
    2026-01-30 3,364,438 3,544,927 -180,489 3.37
    2026-01-15 3,544,927 3,440,292 +104,635 4.47
    2025-12-31 3,440,292 3,316,359 +123,933 3.09
    2025-12-15 3,316,359 3,360,422 -44,063 8.00
    2025-11-28 3,360,422 2,747,263 +613,159 6.77
    2025-11-14 2,747,263 2,468,056 +279,207 3.80
    2025-10-31 2,468,056 2,432,917 +35,139 6.74
    2025-10-15 2,432,917 2,808,825 -375,908 3.86
    2025-09-30 2,808,825 2,864,271 -55,446 6.06
    2025-09-15 2,864,271 2,518,246 +346,025 6.18

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1816017 CUSIP 848560306 13F (30d) 121 filings 115 filers Visit website Investor relations

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