KLA Corp. options tape
Read from CBOE's delayed chain on 23 September 2026, with KLA Corp. at $188.12: open interest within 90 days was 55,782 call and 88,200 put contracts, a put/call ratio of 1.58; the day's volume was 4,749 calls and 3,446 puts (0.73). The most call open interest sits at the $170.00 strike (4,016 contracts) and the most put open interest at $224.00 (20,100). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 4.3% of spot. For 16 October 2026, implied volatility was 54.8% at the put 5% below spot and 57.8% at the call 5% above, -3.0 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $170.00 | 4,016 |
| Puts | $224.00 | 20,100 |
The strike with the most open interest on each side, across expiries within 90 days.
Strikes where the day's volume was at least twice the open interest
| Contract | Volume | Open interest before | Premium traded |
|---|---|---|---|
| 30 October 2026 call at $210.00 | 203 | 33 | $152,250 |
Volume of at least 200 contracts and at least twice the open interest, with at least $25,000 of premium at the mid; contracts expiring the same day are left out. Premium is mid price times volume times 100.
Open interest built since 22 September 2026
| Contract | Open interest now | Change |
|---|---|---|
| 25 September 2026 put at $175.00 | 580 | +357 |
| 16 October 2026 put at $170.00 | 1,305 | +293 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for KLAC, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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