Monolithic Power Systems, Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with Monolithic Power Systems, Inc. at $1,382.30: open interest within 90 days was 3,409 call and 3,220 put contracts, a put/call ratio of 0.94; the day's volume was 623 calls and 486 puts (0.78). The most call open interest sits at the $1,200.00 strike (294 contracts) and the most put open interest at $1,120.00 (235). The at-the-money straddle for 16 October 2026, 23 days out, was priced at 11.1% of spot. For 16 October 2026, implied volatility was 56.1% at the put 5% below spot and 55.0% at the call 5% above, +1.1 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $1,200.00 | 294 |
| Puts | $1,120.00 | 235 |
The strike with the most open interest on each side, across expiries within 90 days.
Source
CBOE delayed quotes for MPWR, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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