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RIG · Transocean Ltd. · Short Interest

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$5.78 -0.12 (-1.95%)
Russell 2000 member Rebalance outlook locked
Market Cap
$6.58B
Shares
1.12B
Volume · Oct 20 11.38M Avg daily vol (3M) 42.4M

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 →

RIG Latest Reported Short Interest

FINRA reported 299,021,155 RIG shares sold short as of the September 30, 2026 settlement date, an increase of 21,257,234 shares. Days to cover was 6.88 based on FINRA's reported average daily volume.

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

RIG Short Interest Forecast

Equibles' model estimates 302,920,740 shares sold short for the October 15, 2026 settlement, +1.3% versus the latest reported position, with a likely range of 280,585,201 to 326,678,641 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 52% chance it rises
302,920,740 +1.3% vs reported
Likely range 280,585,201 to 326,678,641 The latest estimate appears in the chart below. Official release expected Oct 26. Methodology
Short Squeeze Score
85/100
Short interest 26.8% of shares — P99 Days to cover 6.9 — P82 Price vs VWAP +6.1% — P90 Short-volume trend +3.1% — P65 Short interest change +7.7% — P68 Worst FTD 0.22% of shares — P90

Positioning score 85.3 + 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 (2026-09-30). 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 2026-10-20 14:53 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
    2026-10-30 Scheduled
    FINRA publishes Nov 10
    		 — — — —
    2026-10-15 Scheduled
    FINRA publishes Oct 26
    		 — — — —
    2026-09-30 299,021,155 277,763,921 +21,257,234 6.88
    2026-09-15 277,763,921 265,045,119 +12,718,802 6.08
    2026-08-31 265,045,119 268,851,542 -3,806,423 7.47
    2026-08-14 268,851,542 254,376,664 +14,474,878 6.09
    2026-07-31 254,376,664 242,487,425 +11,889,239 5.58
    2026-07-15 242,487,425 222,535,073 +19,952,352 6.29
    2026-06-30 222,535,073 219,065,326 +3,469,747 5.59
    2026-06-15 219,065,326 211,542,031 +7,523,295 8.14
    2026-05-29 211,542,031 222,442,698 -10,900,667 5.89
    2026-05-15 222,442,698 210,533,200 +11,909,498 6.35
    2026-04-30 210,533,200 195,016,548 +15,516,652 5.77
    2026-04-15 195,016,548 200,608,572 -5,592,024 7.00
    2026-03-31 200,608,572 186,830,390 +13,778,182 5.16
    2026-03-13 186,830,390 175,747,554 +11,082,836 4.90
    2026-02-27 175,747,554 165,497,453 +10,250,101 3.44
    2026-02-13 165,497,453 132,755,845 +32,741,608 1.95
    2026-01-30 132,755,845 129,584,169 +3,171,676 3.66
    2026-01-15 129,584,169 133,163,387 -3,579,218 3.91
    2025-12-31 133,163,387 147,743,940 -14,580,553 4.82
    2025-12-15 147,743,940 143,632,957 +4,110,983 4.99
    2025-11-28 143,632,957 124,787,595 +18,845,362 3.92
    2025-11-14 124,787,595 128,128,735 -3,341,140 2.90
    2025-10-31 128,128,735 147,181,775 -19,053,040 1.89

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1451505 CUSIP H8817H100 13F (30d) 58 filings 58 filers Visit website Investor relations