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OTTR · Otter Tail Corp

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$89.79 +0.52 (+0.58%) At close · Sep 4
S&P 600 member Russell 2000 member Rebalance outlook locked
Market Cap
$3.75B
Shares
41.99M

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

OTTR Latest Reported Short Interest

FINRA reported 4,881,890 OTTR shares sold short as of the August 14, 2026 settlement date, a decrease of 210,127 shares. Days to cover was 17.29 based on FINRA's reported average daily volume.

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

OTTR Short Interest Forecast

Equibles' model estimates 5,025,429 shares sold short for the August 31, 2026 settlement, +2.9% versus the latest reported position, with a likely range of 4,625,885 to 5,369,706 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 Low confidence 63% chance it falls
5,025,429 +2.9% vs reported
Likely range 4,625,885 to 5,369,706 The latest estimate appears in the chart below. Official release expected Sep 10. Methodology
Short Squeeze Score
67/100
Short interest 11.6% of shares — P92 Days to cover 17.3 — P95 Price vs VWAP -0.8% — P48 Short-volume trend -5.2% — P31 Short interest change -4.1% — P38 Worst FTD 0.01% of shares — P45

Peer-relative percentile rank across all listed securities 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 4,881,890 5,092,017 -210,127 17.29
    2026-07-31 5,092,017 5,308,740 -216,723 22.94
    2026-07-15 5,308,740 5,265,091 +43,649 24.45
    2026-06-30 5,265,091 5,127,619 +137,472 14.97
    2026-06-15 5,127,619 5,444,521 -316,902 21.45
    2026-05-29 5,444,521 5,590,288 -145,767 25.22
    2026-05-15 5,590,288 5,556,248 +34,040 19.61
    2026-04-30 5,556,248 5,429,527 +126,721 18.70
    2026-04-15 5,429,527 5,559,919 -130,392 23.18
    2026-03-31 5,559,919 5,419,901 +140,018 17.08
    2026-03-13 5,419,901 5,430,715 -10,814 20.33
    2026-02-27 5,430,715 5,291,374 +139,341 18.56
    2026-02-13 5,291,374 4,960,624 +330,750 19.61
    2026-01-30 4,960,624 5,023,672 -63,048 29.44
    2026-01-15 5,023,672 4,991,120 +32,552 24.54
    2025-12-31 4,991,120 4,891,491 +99,629 16.90
    2025-12-15 4,891,491 4,852,237 +39,254 24.66
    2025-11-28 4,852,237 5,087,330 -235,093 17.78
    2025-11-14 5,087,330 5,267,298 -179,968 19.63
    2025-10-31 5,267,298 5,281,593 -14,295 31.51
    2025-10-15 5,281,593 5,031,679 +249,914 29.77
    2025-09-30 5,031,679 4,616,665 +415,014 18.24
    2025-09-15 4,616,665 4,603,254 +13,411 30.56

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1466593 CUSIP 689648103 13F (30d) 246 filings 233 filers Visit website Investor relations