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LRCX · Lam Research Corp · Short Interest

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$230.10 -0.05 (-0.02%) At close · Oct 23
S&P 500 member Nasdaq-100 member Russell 1000 member Rebalance outlook locked
Market Cap
$287.50B
Shares
1.25B
Volume · Oct 23 12.74M Avg daily vol (3M) 9.62M

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 →

LRCX Latest Reported Short Interest

FINRA reported 25,810,795 LRCX shares sold short as of the September 30, 2026 settlement date, a decrease of 270,286 shares. Days to cover was 2.62 based on FINRA's reported average daily volume.

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

LRCX Short Interest Forecast

Equibles' model estimates 25,450,289 shares sold short for the October 15, 2026 settlement, -1.4% versus the latest reported position, with a likely range of 22,159,821 to 28,830,891 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 60% chance it falls
25,450,289 -1.4% vs reported
Likely range 22,159,821 to 28,830,891 The latest estimate appears in the chart below. Official release expected Oct 26. Methodology
Short Squeeze Score
46/100
Short interest 2.1% of shares — P49 Days to cover 2.6 — P45 Price vs VWAP -22.4% — P20 Short-volume trend +4.6% — P70 Short interest change -1.0% — P44 Worst FTD 0.01% of shares — P43

Positioning score 45.9 + 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 2026-10-24 05:29 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
    2026-10-30 Scheduled
    FINRA publishes Nov 10
    		 — — — —
    2026-10-15 Scheduled
    FINRA publishes Oct 26
    		 — — — —
    2026-09-30 25,810,795 26,081,081 -270,286 2.62
    2026-09-15 26,081,081 27,751,158 -1,670,077 3.08
    2026-08-31 27,751,158 28,419,138 -667,980 3.79
    2026-08-14 28,419,138 26,963,996 +1,455,142 3.27
    2026-07-31 26,963,996 29,520,485 -2,556,489 2.22
    2026-07-15 29,520,485 28,314,664 +1,205,821 2.41
    2026-06-30 28,314,664 29,877,317 -1,562,653 1.84
    2026-06-15 29,877,317 32,072,543 -2,195,226 2.67
    2026-05-29 32,072,543 32,918,359 -845,816 3.64
    2026-05-15 32,918,359 28,556,454 +4,361,905 3.55
    2026-04-30 28,556,454 26,059,416 +2,497,038 3.05
    2026-04-15 26,059,416 27,966,572 -1,907,156 3.04
    2026-03-31 27,966,572 26,933,774 +1,032,798 2.44
    2026-03-13 26,933,774 26,107,698 +826,076 2.59
    2026-02-27 26,107,698 32,943,284 -6,835,586 3.00
    2026-02-13 32,943,284 30,563,220 +2,380,064 2.80
    2026-01-30 30,563,220 31,244,667 -681,447 2.32
    2026-01-15 31,244,667 33,124,018 -1,879,351 2.12
    2025-12-31 33,124,018 32,838,316 +285,702 3.17
    2025-12-15 32,838,316 34,097,668 -1,259,352 3.51
    2025-11-28 34,097,668 33,152,875 +944,793 2.88
    2025-11-14 33,152,875 33,328,175 -175,300 3.11
    2025-10-31 33,328,175 32,402,751 +925,424 3.08

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 707549 CUSIP 512807306 13F (30d) 844 filings 809 filers Visit website Investor relations