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KLAC · Kla Corp · Short Interest

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$199.80 +4.87 (+2.50%)
S&P 500 member Nasdaq-100 member Russell 1000 member Rebalance outlook locked
Market Cap
$245.53B
Shares
1.31B
Volume · Sep 30 6.86M Avg daily vol (3M) 10.91M

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 →

KLAC Latest Reported Short Interest

FINRA reported 23,554,039 KLAC shares sold short as of the September 15, 2026 settlement date, a decrease of 5,847,099 shares. Days to cover was 2.50 based on FINRA's reported average daily volume.

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

KLAC Short Interest Forecast

Equibles' model estimates 23,373,645 shares sold short for the September 30, 2026 settlement, -0.8% versus the latest reported position, with a likely range of 20,188,110 to 26,818,545 shares. This model prediction uses FINRA data through September 30, 2026; FINRA's official release is expected October 9, 2026.

Model estimate

Expected Sep 30 short interest

as of Sep 30 Low confidence 58% chance it falls
23,373,645 -0.8% vs reported
Likely range 20,188,110 to 26,818,545 The latest estimate appears in the chart below. Official release expected Oct 9. Methodology
Short Squeeze Score
45/100
Short interest 1.8% of shares — P47 Days to cover 2.5 — P40 Price vs VWAP -3.3% — P61 Short-volume trend +2.9% — P58 Short interest change -19.9% — P14 Worst FTD 0.00% of shares — P37

Positioning score 45.1 + 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 (2026-09-15). 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 2026-10-01 09:30 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
    2026-10-15 Scheduled
    FINRA publishes Oct 26
    		 — — — —
    2026-09-30 Scheduled
    FINRA publishes Oct 9
    		 — — — —
    2026-09-15 23,554,039 29,401,138 -5,847,099 2.50
    2026-08-31 29,401,138 25,337,831 +4,063,307 3.36
    2026-08-14 25,337,831 27,024,003 -1,686,172 2.52
    2026-07-31 27,024,003 27,939,763 -915,760 2.09
    2026-07-15 27,939,763 34,375,617 -6,435,854 2.03
    2026-06-30 34,375,617 40,762,347 -6,386,730 2.14
    2026-06-15 40,762,347 35,121,000 +5,641,347 3.13
    2026-05-29 35,041,000 33,805,250 +1,235,750 3.69
    2026-05-15 33,805,250 31,844,750 +1,960,500 3.24
    2026-04-30 31,844,750 33,411,960 -1,567,210 3.20
    2026-04-15 33,411,960 31,762,330 +1,649,630 4.22
    2026-03-31 31,762,330 29,956,600 +1,805,730 3.06
    2026-03-13 29,956,600 29,476,910 +479,690 2.91
    2026-02-27 29,476,910 29,081,330 +395,580 3.96
    2026-02-13 29,081,330 26,011,710 +3,069,620 2.14
    2026-01-30 26,011,710 30,406,270 -4,394,560 1.80
    2026-01-15 30,406,270 33,609,170 -3,202,900 2.89
    2025-12-31 33,609,170 35,757,160 -2,147,990 4.53
    2025-12-15 35,757,160 33,043,190 +2,713,970 4.22
    2025-11-28 33,043,190 37,104,000 -4,060,810 2.98
    2025-11-14 37,104,000 31,732,350 +5,371,650 3.51
    2025-10-31 31,732,350 29,519,210 +2,213,140 2.99
    2025-10-15 29,519,210 33,877,930 -4,358,720 2.56

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 319201 CUSIP 482480100 13F (30d) 37 filings 23 filers Visit website Investor relations