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Align Technology ALGN

US equityMarket cap rank #1461
$140.65 −$3.09 (-2.15%)
Market closed · Oct 5, 8:10 pm ET · Last extended-hours $140.20 -0.32%
Open$140.07
Prev close$143.74
Day range$138.36 – $142.35
Volume1.68M
Market cap$9.99B
P/E (TTM)24.4
Dividend yield–

Average implied volatility across the listed chain right now: 53%. 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
9 Oct 2026 $141.00 $2.40 $1.40/$4.40 4 0 52%
9 Oct 2026 $140.00 $2.60 $1.70/$5.20 4 0 53%
9 Oct 2026 $142.00 $2.00 $1.40/$4.10 10 8 58%
9 Oct 2026 $139.00 $6.55 $3.00/$5.00 0 0 53%
9 Oct 2026 $143.00 $1.70 $1.45/$3.00 12 0 55%
9 Oct 2026 $138.00 $7.48 $3.80/$6.00 0 0 59%
9 Oct 2026 $144.00 $3.67 $0.05/$3.40 0 0 53%
9 Oct 2026 $137.00 $8.41 $3.10/$7.00 0 0 49%
9 Oct 2026 $145.00 $1.09 $0.55/$1.70 7 2 47%
9 Oct 2026 $136.00 $9.34 $4.00/$8.40 0 0 58%
9 Oct 2026 $146.00 $0.90 $0.00/$2.75 1 61 47%
9 Oct 2026 $135.00 $10.26 $4.00/$9.00 0 0 48%
9 Oct 2026 $147.00 $0.70 $0.50/$1.00 14 5 48%
9 Oct 2026 $134.00 $11.19 $4.80/$10.40 0 0 56%
9 Oct 2026 $148.00 $0.77 $0.10/$0.90 4 1 46%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
9 Oct 2026 $141.00 $2.55 $2.30/$3.40 15 1 46%
9 Oct 2026 $140.00 $2.20 $0.20/$4.90 22 69 50%
9 Oct 2026 $142.00 $4.45 $0.95/$6.80 25 25 55%
9 Oct 2026 $139.00 $2.95 $1.40/$3.20 34 1 53%
9 Oct 2026 $143.00 $3.90 $3.30/$4.60 27 106 45%
9 Oct 2026 $138.00 $1.32 $0.95/$4.90 55 17 72%
9 Oct 2026 $144.00 $6.40 $3.80/$5.30 7 8 44%
9 Oct 2026 $137.00 $1.00 $0.90/$1.55 19 4 47%
9 Oct 2026 $145.00 $3.60 $4.30/$6.00 0 53 41%
9 Oct 2026 $136.00 $1.40 $0.00/$3.60 4 51 56%
9 Oct 2026 $146.00 $7.53 $4.40/$6.80 15 15 32%
9 Oct 2026 $135.00 $1.00 $0.35/$1.50 23 56 52%
9 Oct 2026 $147.00 $6.50 $5.10/$7.60 6 6 20%
9 Oct 2026 $134.00 $0.62 $0.00/$2.40 0 81 49%
9 Oct 2026 $148.00 $5.33 $5.40/$11.10 0 0 58%

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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