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RCUS · Arcus Biosciences, Inc. · Short Interest

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$20.07 -3.69 (-15.52%)
S&P 600 member Russell 2000 member Rebalance outlook locked
Market Cap
$3.02B
Shares
127.33M
Volume · Oct 21 2.01M Avg daily vol (3M) 1.49M

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 →

RCUS Latest Reported Short Interest

FINRA reported 13,110,576 RCUS shares sold short as of the September 30, 2026 settlement date, a decrease of 702,030 shares. Days to cover was 7.64 based on FINRA's reported average daily volume.

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

RCUS Short Interest Forecast

Equibles' model estimates 13,037,156 shares sold short for the October 15, 2026 settlement, -0.6% versus the latest reported position, with a likely range of 11,992,503 to 14,188,185 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 54% chance it falls
13,037,156 -0.6% vs reported
Likely range 11,992,503 to 14,188,185 The latest estimate appears in the chart below. Official release expected Oct 26. Methodology
Short Squeeze Score
70/100
Short interest 10.3% of shares — P89 Days to cover 7.6 — P85 Price vs VWAP -10.3% — P37 Short-volume trend +22.2% — P96 Short interest change -5.1% — P34 Worst FTD 0.00% of shares — P27

Positioning score 69.6 + 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 2026-10-21 18:06 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 13,110,576 13,812,606 -702,030 7.64
    2026-09-15 13,812,606 13,076,244 +736,362 7.81
    2026-08-31 13,076,244 13,848,822 -772,578 10.96
    2026-08-14 13,848,822 13,118,220 +730,602 12.30
    2026-07-31 13,118,220 12,559,230 +558,990 11.60
    2026-07-15 12,559,230 12,644,286 -85,056 12.92
    2026-06-30 12,644,286 13,269,243 -624,957 5.91
    2026-06-15 13,269,243 11,708,210 +1,561,033 10.87
    2026-05-29 11,708,210 10,886,256 +821,954 12.60
    2026-05-15 10,886,256 10,877,577 +8,679 11.22
    2026-04-30 10,877,577 11,073,964 -196,387 6.52
    2026-04-15 11,073,964 9,876,250 +1,197,714 12.16
    2026-03-31 9,876,250 8,609,225 +1,267,025 8.12
    2026-03-13 8,609,225 9,265,210 -655,985 6.14
    2026-02-27 9,265,210 9,006,912 +258,298 7.55
    2026-02-13 9,006,912 8,198,565 +808,347 9.78
    2026-01-30 8,198,565 8,904,766 -706,201 8.77
    2026-01-15 8,904,766 9,594,327 -689,561 4.98
    2025-12-31 9,594,327 7,830,605 +1,763,722 5.61
    2025-12-15 7,830,605 9,085,675 -1,255,070 3.05
    2025-11-28 9,085,675 9,888,340 -802,665 4.86
    2025-11-14 9,888,340 8,344,964 +1,543,376 5.33
    2025-10-31 8,344,964 8,653,075 -308,111 4.84

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1724521 CUSIP 03969F109 13F (30d) 19 filings 19 filers Visit website Investor relations