Monolithic Power Systems MPWR
$1,190.44 +$59.01 (+5.22%)
Market closed · Nov 6, 8:20 pm ET · Last extended-hours $1,190.00 -0.04%
Open$1,201.30
Prev close$1,131.43
Day range$1,153.34 – $1,217.24
Volume1.20M
Market cap$58.06B
P/E (TTM)65.6
Dividend yield0.64%
Average implied volatility across the listed chain right now: 74%. Implied volatility measures how big a price swing the options market is pricing in — there is no fixed “normal” level, it varies a lot by stock.
Open interest by strike
Nearest listed expiry only. Calls above the line, puts below — clusters mark strikes where the market has built up the most open positions.
Implied volatility by strike
The “volatility smile”: strikes far from the current price often price in richer implied volatility than at-the-money strikes.
Calls
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 20 Nov 2026 | $1,190.00 | $48.06 | $62.50/$69.50 | 0 | 25 | 74% |
| 20 Nov 2026 | $1,200.00 | $68.36 | $52.50/$64.40 | 1 | 217 | 71% |
| 20 Nov 2026 | $1,180.00 | $65.45 | $62.90/$76.10 | 8 | 26 | 73% |
| 20 Nov 2026 | $1,210.00 | $63.15 | $47.70/$61.80 | 1 | 53 | 72% |
| 20 Nov 2026 | $1,170.00 | $75.00 | $70.00/$82.00 | 2 | 46 | 74% |
| 20 Nov 2026 | $1,220.00 | $54.06 | $43.80/$55.80 | 9 | 51 | 71% |
| 20 Nov 2026 | $1,160.00 | $87.98 | $75.70/$87.10 | 41 | 55 | 74% |
| 20 Nov 2026 | $1,230.00 | $35.18 | $38.90/$51.60 | 0 | 16 | 70% |
| 20 Nov 2026 | $1,150.00 | $86.40 | $83.70/$92.60 | 18 | 10 | 76% |
| 20 Nov 2026 | $1,240.00 | $32.57 | $34.90/$46.80 | 0 | 123 | 69% |
| 20 Nov 2026 | $1,140.00 | $68.99 | $86.80/$98.90 | 0 | 4 | 74% |
| 20 Nov 2026 | $1,250.00 | $29.96 | $31.40/$43.00 | 0 | 37 | 69% |
| 20 Nov 2026 | $1,130.00 | $74.15 | $93.30/$106.10 | 0 | 2 | 75% |
| 20 Nov 2026 | $1,260.00 | $27.36 | $30.30/$40.00 | 0 | 71 | 71% |
| 20 Nov 2026 | $1,120.00 | $105.70 | $100.00/$112.60 | 14 | 2 | 75% |
Puts
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 20 Nov 2026 | $1,190.00 | $66.50 | $61.40/$66.10 | 1 | 29 | 74% |
| 20 Nov 2026 | $1,200.00 | $67.22 | $63.00/$74.00 | 8 | 141 | 74% |
| 20 Nov 2026 | $1,180.00 | $63.75 | $53.30/$66.00 | 13 | 50 | 75% |
| 20 Nov 2026 | $1,210.00 | $65.10 | $68.70/$79.00 | 1 | 65 | 73% |
| 20 Nov 2026 | $1,170.00 | $56.82 | $49.20/$60.00 | 4 | 40 | 75% |
| 20 Nov 2026 | $1,220.00 | $68.73 | $72.50/$86.00 | 2 | 141 | 73% |
| 20 Nov 2026 | $1,160.00 | $85.91 | $45.30/$56.00 | 0 | 56 | 76% |
| 20 Nov 2026 | $1,230.00 | $86.20 | $80.40/$92.00 | 1 | 43 | 74% |
| 20 Nov 2026 | $1,150.00 | $42.50 | $41.80/$52.00 | 11 | 76 | 77% |
| 20 Nov 2026 | $1,240.00 | $116.00 | $85.20/$98.00 | 1 | 85 | 73% |
| 20 Nov 2026 | $1,140.00 | $39.10 | $37.20/$48.00 | 11 | 44 | 76% |
| 20 Nov 2026 | $1,250.00 | $145.95 | $91.60/$104.00 | 0 | 37 | 72% |
| 20 Nov 2026 | $1,130.00 | $38.90 | $31.80/$46.00 | 1 | 7 | 77% |
| 20 Nov 2026 | $1,260.00 | $97.10 | $97.40/$110.00 | 1 | 24 | 71% |
| 20 Nov 2026 | $1,120.00 | $34.34 | $28.80/$42.00 | 3 | 177 | 77% |
Open interest = contracts currently outstanding (not yet closed out). Higher open interest generally means a strike/expiry is more actively traded and easier to get in and out of.
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