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Silicon Motion Technology SIMO

US equityMarket cap rank #1499
$282.45 +$1.95 (+0.70%)
Market closed · Oct 5, 8:30 pm ET · Last extended-hours $282.45 0.00%
Open$281.57
Prev close$280.50
Day range$277.36 – $289.00
Volume724.7K
Market cap$9.58B
P/E (TTM)33.0
Dividend yield0.71%

Average implied volatility across the listed chain right now: 83%. 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.

Calls

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $280.00 $15.20 $13.10/$17.70 3 706 75%
16 Oct 2026 $290.00 $11.49 $8.60/$11.70 13 1,287 70%
16 Oct 2026 $270.00 $22.00 $18.20/$23.50 1 475 75%
16 Oct 2026 $300.00 $7.20 $6.30/$7.80 81 266 70%
16 Oct 2026 $260.00 $32.10 $24.00/$30.90 2 318 75%
16 Oct 2026 $310.00 $4.50 $3.70/$5.00 5 171 70%
16 Oct 2026 $250.00 $34.45 $33.00/$39.10 0 147 84%
16 Oct 2026 $320.00 $3.20 $2.45/$3.40 15 98 71%
16 Oct 2026 $240.00 $41.81 $40.40/$47.70 2 34 83%
16 Oct 2026 $330.00 $2.37 $1.20/$3.00 3 59 74%
16 Oct 2026 $230.00 $58.00 $50.00/$56.70 21 47 91%
16 Oct 2026 $340.00 $1.55 $0.65/$1.55 7 31 72%
16 Oct 2026 $220.00 $61.52 $59.30/$66.50 0 239 98%
16 Oct 2026 $350.00 $1.21 $0.30/$2.10 0 32 81%
16 Oct 2026 $210.00 $71.33 $69.10/$76.20 0 4 108%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $280.00 $12.00 $11.00/$14.80 2 45 70%
16 Oct 2026 $290.00 $19.85 $16.70/$20.80 0 5 71%
16 Oct 2026 $270.00 $8.60 $7.10/$9.80 9 149 70%
16 Oct 2026 $300.00 $27.39 $21.70/$27.50 0 7 67%
16 Oct 2026 $260.00 $5.20 $4.80/$6.00 19 118 72%
16 Oct 2026 $310.00 $34.95 $29.50/$36.00 0 3 70%
16 Oct 2026 $250.00 $3.35 $2.40/$3.70 20 113 72%
16 Oct 2026 $320.00 $43.46 $38.50/$44.00 0 3 71%
16 Oct 2026 $240.00 $1.60 $1.10/$2.35 46 132 74%
16 Oct 2026 $330.00 $51.98 $47.40/$52.20 0 0 67%
16 Oct 2026 $230.00 $0.90 $0.65/$1.30 22 884 77%
16 Oct 2026 $340.00 $61.02 $55.70/$62.30 0 1 62%
16 Oct 2026 $220.00 $0.40 $0.30/$0.75 6 147 80%
16 Oct 2026 $350.00 $70.58 $64.80/$71.90 0 0 0%
16 Oct 2026 $210.00 $0.49 $0.20/$0.80 3 217 92%

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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