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OPK · Opko Health, Inc. · Short Interest

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$1.65 -0.01 (-0.49%)
Russell 2000 member Rebalance outlook locked
Market Cap
$1.20B
Shares
746.33M
Volume · Oct 20 4.35M Avg daily vol (3M) 4.23M

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 →

OPK Latest Reported Short Interest

FINRA reported 35,560,259 OPK shares sold short as of the September 30, 2026 settlement date, a decrease of 427,370 shares. Days to cover was 14.94 based on FINRA's reported average daily volume.

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

OPK Short Interest Forecast

Equibles' model estimates 36,508,287 shares sold short for the October 15, 2026 settlement, +2.7% versus the latest reported position, with a likely range of 32,213,587 to 41,199,368 shares. This model prediction uses FINRA data through October 15, 2026; FINRA's official release is expected October 26, 2026.

Model estimate

Expected Oct 15 short interest

as of Oct 15 Low confidence 50% chance it rises
36,508,287 +2.7% vs reported
Likely range 32,213,587 to 41,199,368 The latest estimate appears in the chart below. Official release expected Oct 26. Methodology
Short Squeeze Score
86/100
Short interest 4.8% of shares — P69 Days to cover 14.9 — P96 Price vs VWAP +8.7% — P91 Short-volume trend -6.8% — P27 Short interest change -1.2% — P43 Worst FTD 0.00% of shares — P38 Price spike +10 Volume surge +10

Positioning score 65.9 + catalyst boost 20 (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 (2026-09-30). 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 2026-10-21 08:44 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
    2026-10-30 Scheduled
    FINRA publishes Nov 10
    		 — — — —
    2026-10-15 Scheduled
    FINRA publishes Oct 26
    		 — — — —
    2026-09-30 35,560,259 35,987,629 -427,370 14.94
    2026-09-15 35,987,629 34,558,372 +1,429,257 10.55
    2026-08-31 34,558,372 33,649,355 +909,017 13.77
    2026-08-14 33,649,355 32,883,700 +765,655 12.37
    2026-07-31 32,883,700 33,644,789 -761,089 5.39
    2026-07-15 33,644,789 32,594,765 +1,050,024 12.96
    2026-06-30 32,594,765 32,789,842 -195,077 8.93
    2026-06-15 32,789,842 33,037,706 -247,864 11.84
    2026-05-29 33,037,706 32,656,834 +380,872 10.91
    2026-05-15 32,656,834 33,763,628 -1,106,794 16.54
    2026-04-30 33,763,628 32,978,308 +785,320 12.69
    2026-04-15 32,978,308 33,615,361 -637,053 17.69
    2026-03-31 33,615,361 32,776,490 +838,871 10.91
    2026-03-13 32,776,490 31,374,396 +1,402,094 14.38
    2026-02-27 31,374,396 31,677,429 -303,033 17.73
    2026-02-13 31,677,429 30,881,465 +795,964 10.95
    2026-01-30 30,881,465 30,515,491 +365,974 8.38
    2026-01-15 30,515,491 30,340,574 +174,917 9.75
    2025-12-31 30,340,574 32,577,197 -2,236,623 7.16
    2025-12-15 32,577,197 31,424,789 +1,152,408 10.82
    2025-11-28 31,424,789 33,814,574 -2,389,785 10.96
    2025-11-14 33,814,574 32,755,482 +1,059,092 12.43
    2025-10-31 32,755,482 33,372,771 -617,289 17.94

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 944809 CUSIP 68375N103 13F (30d) 21 filings 21 filers Visit website Investor relations