170.02 USD
↘ 10.63 (5.88%)PRE MARKET (AS OF 06:40 AM EDT)
KLAC Stock Premarket
KLA Corporation Common Stock
KLACNASDAQ • USD
Market: OPEN
Premarket trading runs 4:00 AM – 9:30 AM ET.
KLAC is trading at $170.01 in premarket, down $10.63 (5.88%) from its previous close of $180.64. Historically, 18% of KLAC gap-downs of 5% or more have fully filled within one trading day.
📅 KLAC is expected to report earnings around Oct 28, 2026 after the close (estimated), with an estimated EPS of $1.17. KLAC earnings details →
KLAC Premarket Chart
KLAC Premarket News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, KLAC has had 32 qualifying gap events (gaps of 5% or more at the open) — 15 gap-ups and 17 gap-downs. Gap-ups averaged +6.7%, 67% have fully filled, median time to fill 5 trading days. Gap-downs averaged -11.3%, 71% have fully filled, median time to fill 5.5 trading days. Most recent: a -5% gap down on Aug 18, 2026, still unfilled. KLAC has 1 unfilled gap from the past 60 days — a -5% gap down on Aug 18, 2026, currently 39% retraced. Average 20-trading-day return after a KLAC gap up: -2%. After a gap down: +4.96%.
Gap Ups15 events
Fill Rate
66.7%
Avg Gap
6.7%
Avg 50% Fill
1.5d
Avg Fill
5d
Gap Downs17 events
Fill Rate
70.6%
Avg Gap
11.3%
Avg 50% Fill
1d
Avg Fill
5.5d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 87% | 93% | 93% | 93% |
| fills 50% | 40% | 73% | 73% | 73% |
| fills 75% | 13% | 47% | 47% | 53% |
| fills 100% | 0% | 40% | 47% | 53% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 76% | 88% | 88% | 88% |
| fills 50% | 41% | 71% | 71% | 71% |
| fills 75% | 24% | 53% | 65% | 65% |
| fills 100% | 18% | 41% | 53% | 65% |
Active Unfilled Gaps (past 60 days)
27 days ago
2026-08-18
Gap %
-5.00%
Gap From
$205.76
% vs Current
+13.91%
retraced 39% to $199.52
Complete Gap History — 32 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 27 days ago | $205.76 | -5.00% | Open | — | — | 39% | 39% | 39% | 39% |
| 2026-08-04 | $182.75 | +5.05% | Filled | 3d | 14d | 42% | 67% | 67% | 100% |
| 2026-07-30 | $170.19 | +9.79% | Filled | 3d | 24d | 48% | 74% | 74% | 74% |
| 2026-07-29 | $190.80 | -6.91% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-07-21 | $207.60 | +6.09% | Filled | 2d | 4d | 48% | 100% | 100% | 100% |
| 2026-07-14 | $222.25 | +6.82% | Filled | 1d | 2d | 73% | 100% | 100% | 100% |
| 2026-07-09 | $221.18 | +8.07% | Filled | 1d | 3d | 62% | 100% | 100% | 100% |
| 2026-07-07 | $233.31 | -6.94% | Filled | 3d | 3d | 41% | 100% | 100% | 100% |
| 2026-07-01 | $301.71 | -5.37% | Open | — | — | 33% | 33% | 33% | 33% |
| 2026-06-25 | $240.48 | +6.10% | Filled | 1d | 6d | 79% | 100% | 100% | 100% |
| 2026-06-23 | $269.16 | -7.84% | Filled | 3d | 5d | 15% | 100% | 100% | 100% |
| 2026-06-08 | $192.92 | +5.22% | Filled | 30d | 31d | 26% | 34% | 34% | 34% |
| 2026-05-11 | $186.92 | -90.09% | Open | — | — | 0% | 0% | 1% | 2% |
| 2026-04-30 | $181.62 | -7.06% | Filled | 1d | 5d | 79% | 100% | 100% | 100% |
| 2026-04-28 | $190.00 | -6.37% | Filled | 1d | 13d | 63% | 63% | 98% | 100% |
| 2026-04-08 | $154.88 | +7.58% | Open | — | — | 26% | 26% | 26% | 26% |
| 2026-01-30 | $168.47 | -8.59% | Filled | 47d | 47d | 31% | 31% | 31% | 31% |
| 2026-01-15 | $143.45 | +7.22% | Filled | 3d | 11d | 13% | 83% | 100% | 100% |
| 2025-07-31 | $92.50 | -6.54% | Filled | 1d | 8d | 54% | 95% | 100% | 100% |
| 2025-05-12 | $70.12 | +6.25% | Open | — | — | 8% | 8% | 8% | 10% |
| 2025-04-16 | $67.62 | -5.61% | Filled | 1d | 6d | 55% | 100% | 100% | 100% |
| 2025-04-10 | $70.33 | -5.46% | Filled | 3d | 14d | 41% | 51% | 92% | 100% |
| 2024-09-26 | $77.21 | +5.36% | Filled | 1d | 3d | 81% | 100% | 100% | 100% |
| 2024-08-05 | $69.62 | -6.65% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2024-08-02 | $75.61 | -5.93% | Filled | 3d | 7d | 31% | 98% | 100% | 100% |
| 2024-07-31 | $75.89 | +6.14% | Filled | 2d | 2d | 33% | 100% | 100% | 100% |
| 2024-07-17 | $86.72 | -5.76% | Open | — | — | 24% | 24% | 24% | 24% |
| 2023-04-27 | $35.74 | +7.38% | Open | 1d | — | 56% | 56% | 56% | 56% |
| 2023-01-27 | $42.88 | -5.54% | Open | 5d | — | 23% | 71% | 71% | 71% |
| 2022-11-10 | $33.75 | +5.94% | Open | — | — | 40% | 40% | 40% | 40% |
| 2022-10-13 | $27.48 | -5.64% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2021-10-28 | $34.06 | +7.59% | Open | 1d | — | 54% | 56% | 56% | 56% |
Related: KLAC quote & chart · After hours · Technical analysis · Fundamentals · Earnings · Short interest
Frequently Asked Questions
What is KLAC's premarket price?
KLA (KLAC) is trading at $170.01 in premarket, down $10.63 (5.88%) from the previous close of $180.64.
Why is KLAC moving in premarket?
KLA (KLAC) is down 5.88% from its previous close in premarket trading. Premarket moves are usually driven by company-specific news, earnings results, analyst rating or price-target changes, or broad market and sector sentiment. Check the latest KLAC premarket headlines and gap history below for the likely catalyst.
When does KLAC premarket trading start?
Premarket trading for KLAC on the NASDAQ runs from 4:00 AM to 9:30 AM Eastern Time, ahead of the regular session (9:30 AM – 4:00 PM ET). After-hours runs from 4:00 PM to 8:00 PM ET.
How often does KLAC fill its gaps?
Over the past 5 years, 67% of KLAC gap-ups have fully filled and 71% of gap-downs have filled. Median time to fill is 5 trading days for gap-ups and 6 trading days for gap-downs.
Does KLAC have any unfilled gaps?
Yes. KLAC has 1 unfilled gap from the past 60 days. The largest is a -5.0% gap down from Aug 18, 2026 and is currently 39% retraced.
What's the average return after a KLAC gap?
Based on 32 qualifying gap events over the past 5 years, the average 20-trading-day return after a KLAC gap up is -2%, and after a gap down is +4.96%.
When does KLAC report earnings?
KLAC is expected to report earnings around Oct 28, 2026 after the close (estimated), with an estimated EPS of $1.17.