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SIRI · Sirius Xm Holdings Inc. · Short Interest

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$32.82 -0.40 (-1.20%)
Ex-dividend: $0.27 · Nov 6, 2026 Return incl. dividend (before tax) -0.39%
Q1 2026 earnings call transcript
S&P 400 member Russell 1000 member Rebalance outlook locked
Market Cap
$11.12B
Shares
336.49M
Volume · Nov 5 6.02M Avg daily vol (3M) 4.31M

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 →

SIRI Latest Reported Short Interest

FINRA reported 30,404,445 SIRI shares sold short as of the October 15, 2026 settlement date, a decrease of 7,089,369 shares. Days to cover was 7.05 based on FINRA's reported average daily volume.

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

SIRI Short Interest Forecast

Equibles' model estimates 30,642,066 shares sold short for the October 30, 2026 settlement, +0.8% versus the latest reported position, with a likely range of 27,191,484 to 34,150,527 shares. This model prediction uses FINRA data through October 30, 2026; FINRA's official release is expected November 10, 2026.

Model estimate

Expected Oct 30 short interest

as of Oct 30 Low confidence 58% chance it falls
30,642,066 +0.8% vs reported
Likely range 27,191,484 to 34,150,527 The latest estimate appears in the chart below. Official release expected Nov 10. Methodology
Short Squeeze Score
82/100
Short interest 9.0% of shares — P86 Days to cover 7.1 — P80 Price vs VWAP +18.1% — P97 Short-volume trend -3.7% — P36 Short interest change -18.9% — P14 Worst FTD 0.24% of shares — P90 Price spike +10

Positioning score 71.9 + catalyst boost 10 (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 (2026-10-15). 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 2026-11-06 10:08 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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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-11-13 Scheduled
    FINRA publishes Nov 24
    		 — — — —
    2026-10-30 Scheduled
    FINRA publishes Nov 10
    		 — — — —
    2026-10-15 30,404,445 37,493,814 -7,089,369 7.05
    2026-09-30 37,493,814 36,971,997 +521,817 7.49
    2026-09-15 36,971,997 31,763,443 +5,208,554 9.83
    2026-08-31 31,763,443 35,096,906 -3,333,463 10.44
    2026-08-14 35,096,906 34,736,975 +359,931 8.21
    2026-07-31 34,736,975 36,718,070 -1,981,095 8.61
    2026-07-15 36,718,070 36,423,582 +294,488 9.54
    2026-06-30 36,423,582 36,583,670 -160,088 7.21
    2026-06-15 36,583,670 28,005,913 +8,577,757 4.80
    2026-05-29 28,005,913 29,222,226 -1,216,313 5.80
    2026-05-15 29,222,226 28,852,679 +369,547 7.74
    2026-04-30 28,852,679 31,267,952 -2,415,273 3.39
    2026-04-15 31,267,952 31,524,853 -256,901 8.54
    2026-03-31 31,524,853 29,650,649 +1,874,204 9.55
    2026-03-13 29,650,649 28,880,041 +770,608 7.13
    2026-02-27 28,880,041 30,603,034 -1,722,993 8.73
    2026-02-13 30,603,034 32,713,298 -2,110,264 3.54
    2026-01-30 32,713,298 34,233,647 -1,520,349 6.90
    2026-01-15 34,233,647 30,783,855 +3,449,792 8.06
    2025-12-31 30,783,855 29,776,328 +1,007,527 8.14
    2025-12-15 29,776,328 28,864,869 +911,459 8.68
    2025-11-28 28,864,869 27,715,211 +1,149,658 7.58
    2025-11-14 27,715,211 29,290,706 -1,575,495 8.18

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 908937 CUSIP 829933100 13F (30d) 303 filings 271 filers Visit website Investor relations