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FormFactor FORM

US equityMarket cap rank #1341
$147.99 −$1.16 (-0.78%)
Market closed · Oct 5, 10:10 pm ET · Last extended-hours $147.50 -0.33%
Open$150.50
Prev close$149.15
Day range$143.69 – $151.17
Volume13.93M
Market cap$11.56B
P/E (TTM)102.1
Dividend yield–

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.

Calls

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $150.00 $6.50 $6.00/$7.00 50 692 72%
16 Oct 2026 $145.00 $8.90 $7.40/$10.90 2 161 74%
16 Oct 2026 $155.00 $5.50 $3.30/$4.60 13 220 65%
16 Oct 2026 $140.00 $13.90 $10.40/$13.90 3 1,573 74%
16 Oct 2026 $160.00 $3.10 $2.60/$3.20 28 249 69%
16 Oct 2026 $135.00 $16.76 $13.80/$17.20 0 885 73%
16 Oct 2026 $165.00 $1.90 $0.80/$3.30 5 30 72%
16 Oct 2026 $130.00 $19.00 $17.80/$21.00 12 841 71%
16 Oct 2026 $170.00 $1.35 $0.15/$1.85 5 78 66%
16 Oct 2026 $125.00 $24.80 $22.70/$25.30 1 191 77%
16 Oct 2026 $175.00 $0.75 $0.05/$1.55 97 58 71%
16 Oct 2026 $120.00 $29.66 $26.50/$30.10 0 181 65%
16 Oct 2026 $180.00 $0.45 $0.00/$0.75 10 1,054 70%
16 Oct 2026 $115.00 $34.41 $31.50/$34.90 0 604 67%
16 Oct 2026 $185.00 $0.69 $0.00/$0.50 0 613 85%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $150.00 $7.26 $7.10/$10.10 2 197 74%
16 Oct 2026 $145.00 $6.25 $5.00/$6.20 1,216 25 70%
16 Oct 2026 $155.00 $12.70 $10.20/$13.20 2 52 75%
16 Oct 2026 $140.00 $3.58 $2.60/$5.10 19 359 73%
16 Oct 2026 $160.00 $14.46 $13.80/$16.10 0 3 72%
16 Oct 2026 $135.00 $2.18 $1.15/$2.75 13 132 67%
16 Oct 2026 $165.00 $18.43 $17.70/$20.70 0 50 76%
16 Oct 2026 $130.00 $1.19 $0.85/$1.65 16 195 71%
16 Oct 2026 $170.00 $22.40 $22.20/$25.00 0 0 79%
16 Oct 2026 $125.00 $0.70 $0.20/$0.80 11 266 67%
16 Oct 2026 $175.00 $27.08 $26.10/$29.50 0 0 75%
16 Oct 2026 $120.00 $0.45 $0.00/$0.80 0 273 78%
16 Oct 2026 $180.00 $31.75 $30.70/$34.30 0 0 76%
16 Oct 2026 $115.00 $0.15 $0.00/$0.40 4 72 74%
16 Oct 2026 $185.00 $36.43 $35.50/$39.10 0 0 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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