MPWR Open Interest
Monolithic Power Systems Inc (MPWR) had 18.6K open option contracts as of Nov 4, 2026: 8.79K calls and 9.81K puts. Open interest rose 9.7% 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 MPWR, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for MPWR, 2026-11-20(m), calls & puts
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| Put Open Interest Total | |
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Highest Open Interest Options
Showing results for MPWR, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for MPWR, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for MPWR, all expirations, calls & puts. View full history
MPWR 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 MPWR have?
Monolithic Power Systems had 18.6K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 17.05K contracts.
Is MPWR open interest rising or falling?
Open interest rose 9.7% over the past four weeks. It was 16.96K contracts on Oct 7, 2026. See the MPWR open interest history for a longer view.
What is the MPWR put/call open interest ratio?
The Monolithic Power Systems put/call open interest ratio was 1.12 as of Nov 4, 2026. Four weeks earlier it was 1.06.
What is Monolithic Power Systems Inc?
Monolithic Power Systems is a power chipmaker specializing in voltage regulators.