KLAC
KLA Corporation Common Stock
stockNASDAQ
At CloseOct 16, 2026 3:59:58 PM EDT
165.79USD-4.970%(-8.67)13,127,052
Pre-marketOct 16, 2026 9:29:59 AM EDT
170.08USD-2.511%(-4.38)
After-hoursOct 16, 2026 4:59:30 PM EDT
166.79USD+0.603%(+1.00)
As of 2026-09-30, there were 24,261,297 shares short with a short interest of 1.86%.
KLAC Short Interest - Official
KLAC Short Position Change - Official
KLAC Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-30 | 1.86 | 24,261,297 | 2.64 | +707,258 | +3.00 | 1,305,006,492 | 1,303,407,490 |
| 2026-09-15 | 1.81 | 23,554,039 | 2.50 | -5,847,099 | -19.89 | 1,306,546,783 | 1,303,407,490 |
| 2026-08-31 | 2.26 | 29,401,138 | 3.36 | +4,063,307 | +16.04 | 1,306,546,783 | 1,303,407,490 |
| 2026-08-14 | 1.94 | 25,337,831 | 2.52 | -1,686,172 | -6.24 | 1,306,546,783 | 1,303,407,490 |
| 2026-07-31 | 2.07 | 27,024,003 | 2.09 | -915,760 | -3.28 | 1,306,275,210 | 1,303,407,490 |
| 2026-07-15 | 2.14 | 27,939,763 | 2.03 | -6,435,854 | -18.72 | 1,306,275,210 | 1,303,166,275 |
| 2026-06-30 | 2.64 | 34,375,617 | 2.14 | -6,386,730 | -15.67 | 1,306,275,210 | 1,303,270,777 |
| 2026-06-15 | 3.12 | 40,762,347 | 3.13 | +6,957,097 | +20.58 | 1,306,275,210 | 1,304,557,016 |
| 2026-05-15 | 2.59 | 33,805,250 | 3.24 | +1,960,500 | +6.16 | 1,306,275,210 | 1,304,960,650 |
| 2026-04-30 | 2.43 | 31,844,750 | 3.20 | -1,567,210 | -4.69 | 1,310,766,110 | 1,310,756,820 |
| 2026-04-15 | 2.55 | 33,411,960 | 4.22 | +1,649,630 | +5.19 | 1,310,766,110 | 1,310,756,820 |
| 2026-03-31 | 2.42 | 31,762,330 | 3.06 | +1,805,730 | +6.03 | 1,310,766,110 | 1,310,756,820 |
| 2026-03-13 | 2.29 | 29,956,600 | 2.91 | +479,690 | +1.63 | 1,310,766,110 | 1,310,756,820 |
| 2026-02-27 | 2.25 | 29,476,910 | 3.96 | +395,580 | +1.36 | 1,310,766,110 | 1,310,756,820 |
| 2026-02-13 | 2.22 | 29,081,330 | 2.14 | +3,069,620 | +11.80 | 1,310,766,110 | 1,310,756,820 |
| 2026-01-30 | 1.98 | 26,011,710 | 1.80 | -4,394,560 | -14.45 | 1,313,923,380 | 1,310,756,820 |
| 2026-01-15 | 2.32 | 30,406,270 | 2.89 | -3,202,900 | -9.53 | 1,313,923,380 | 1,310,756,820 |
| 2025-12-31 | 2.56 | 33,609,170 | 4.53 | -2,147,990 | -6.01 | 1,313,923,380 | 1,310,756,820 |
| 2025-12-15 | 2.73 | 35,757,160 | 4.22 | +2,713,970 | +8.21 | 1,313,923,380 | 1,310,730,550 |
| 2025-11-28 | 2.52 | 33,043,190 | 2.98 | -4,060,810 | -10.94 | 1,313,923,380 | 1,310,730,550 |
| 2025-11-14 | 2.83 | 37,104,000 | 3.51 | +5,371,650 | +16.93 | 1,313,923,380 | 1,310,651,710 |
| 2025-10-31 | 2.41 | 31,732,350 | 2.99 | +2,213,140 | +7.50 | 1,316,845,300 | 1,315,426,480 |
Historical data is split-adjusted.
1 Data from Finra. Finra publishes an updated file every two weeks.
2 Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.