Lam Research Corp. options tape
Read from CBOE's delayed chain on 23 September 2026, with Lam Research Corp. at $310.50: open interest within 90 days was 119,322 call and 141,880 put contracts, a put/call ratio of 1.19; the day's volume was 17,802 calls and 11,065 puts (0.62). The most call open interest sits at the $300.00 strike (8,803 contracts) and the most put open interest at $230.00 (17,078). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 4.5% of spot. For 16 October 2026, implied volatility was 57.3% at the put 5% below spot and 59.1% at the call 5% above, -1.7 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $300.00 | 8,803 |
| Puts | $230.00 | 17,078 |
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 |
|---|---|---|---|
| 9 October 2026 put at $290.00 | 216 | 69 | $139,860 |
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 call at $307.50 | 2,897 | +2,785 |
| 25 September 2026 call at $315.00 | 2,547 | +2,168 |
| 25 September 2026 put at $282.50 | 684 | +594 |
| 16 October 2026 call at $320.00 | 1,360 | +348 |
| 9 October 2026 put at $230.00 | 513 | +304 |
| 9 October 2026 put at $200.00 | 322 | +299 |
| 23 October 2026 put at $250.00 | 406 | +288 |
| 16 October 2026 put at $270.00 | 2,095 | +286 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for LRCX, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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