MPWR open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, MPWR options within 45 days held 1,520 calls and 1,735 puts in open interest, a put/call ratio of 1.14. The biggest call strike near the money was 1240 and the biggest put strike 1220.
MPWR open interest by strike, within 5% of the close
1240 carried 116 calls and 1220 carried 139 puts.
Open interest counts contracts still open after the close; it settles overnight. Large strikes are where dealer hedging is concentrated, which is why open interest feeds the gamma levels and max pain on the other MPWR pages.
These are the October 20, 2026 closing numbers. Members see MPWR's map move live all session.
Common questions
1,520 calls and 1,735 puts within 45 days at the October 20, 2026 close.
1240 near the money, with 116 contracts.
1220 near the money, with 139 contracts.
Compare: open interest by strike on other tickers
Measured from the closing options book and rebuilt after every close. Nothing on this page is live. Levels are where dealer hedging is concentrated, not targets or forecasts. Not investment advice.