LRCX Open Interest
Lam Research Corp (LRCX) had 608.06K open option contracts as of Nov 4, 2026: 287.45K calls and 320.61K puts. Open interest rose 9.4% over the past four weeks. The put/call open interest ratio is 1.12, so puts outnumber calls.
Open Interest by Strike
Showing results for LRCX, 2026-11-06(w), calls & puts
Open Interest Stats
Showing results for LRCX, 2026-11-06(w), calls & puts
| Call Open Interest Total | |
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| Put Open Interest Total | |
| Open Interest Total | |
| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for LRCX, 2026-11-06(w), calls & puts
Open Interest Total by Expiry
Showing results for LRCX, 2026-11-06(w), calls & puts. View all expiries
Open Interest History
Showing daily totals for LRCX, all expirations, calls & puts. View full history
LRCX Open Interest FAQ
What is open interest?
Open interest is the number of option contracts that are open and not yet closed, exercised, or expired. The Options Clearing Corporation calculates it once a day from the previous day's trades, and it is published before the market opens.
How much open interest does LRCX have?
Lam Research had 608.06K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 571.62K contracts.
Is LRCX open interest rising or falling?
Open interest rose 9.4% over the past four weeks. It was 555.97K contracts on Oct 7, 2026. See the LRCX open interest history for a longer view.
What is the LRCX put/call open interest ratio?
The Lam Research put/call open interest ratio was 1.12 as of Nov 4, 2026. Four weeks earlier it was 1.17.
What is Lam Research Corp?
Lam Research is one of the largest semiconductor wafer fabrication equipment manufacturers in the world.