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Intuitive Surgical ISRG

$400.43
+$2.13 (+0.53%)
Market open · Sep 24, 1:10 pm ET
After hours $398.20 -0.03%
Open$396.17
Prev close$398.30
Day range$395.18 – $404.19
Volume637.8K
Market cap$141.46B
P/E (TTM)45.9
Dividend yield

Average implied volatility across the listed chain right now: 32%. 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
25 Sep 2026 $400.00 $3.90 $3.70/$4.60 31 167 31%
25 Sep 2026 $402.50 $2.90 $2.90/$3.60 5 1 32%
25 Sep 2026 $397.50 $3.80 $4.60/$5.60 23 3 32%
25 Sep 2026 $405.00 $2.62 $1.70/$2.90 8 184 31%
25 Sep 2026 $395.00 $5.87 $5.50/$7.10 8 30 32%
25 Sep 2026 $407.50 $2.07 $1.60/$2.45 2 1 30%
25 Sep 2026 $392.50 $7.65 $6.90/$8.30 14 8 34%
25 Sep 2026 $410.00 $1.37 $1.05/$1.85 3 22 31%
25 Sep 2026 $390.00 $8.53 $8.30/$9.50 27 35 33%
25 Sep 2026 $412.50 $1.20 $0.85/$1.80 1 0 33%
25 Sep 2026 $387.50 $10.23 $9.80/$11.00 4 5 34%
25 Sep 2026 $415.00 $0.98 $0.55/$1.20 5 66 31%
25 Sep 2026 $385.00 $11.55 $11.00/$12.70 42 91 35%
25 Sep 2026 $417.50 $0.62 $0.00/$5.40 0 0 31%
25 Sep 2026 $382.50 $13.53 $12.60/$14.70 4 44 34%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
25 Sep 2026 $400.00 $11.50 $10.70/$11.90 9 5 32%
25 Sep 2026 $402.50 $20.55 $12.40/$13.60 0 0 32%
25 Sep 2026 $397.50 $16.42 $8.90/$10.40 0 0 32%
25 Sep 2026 $405.00 $14.36 $13.10/$16.60 1 1 32%
25 Sep 2026 $395.00 $8.70 $7.60/$8.60 42 39 31%
25 Sep 2026 $407.50 $25.15 $13.60/$18.90 0 0 30%
25 Sep 2026 $392.50 $6.80 $5.50/$7.70 13 0 31%
25 Sep 2026 $410.00 $27.45 $16.60/$20.90 0 3 34%
25 Sep 2026 $390.00 $6.00 $5.10/$6.20 6 17 31%
25 Sep 2026 $412.50 $29.76 $17.70/$23.10 0 0 31%
25 Sep 2026 $387.50 $4.95 $4.10/$5.60 4 10 33%
25 Sep 2026 $415.00 $32.06 $20.60/$25.30 0 1 31%
25 Sep 2026 $385.00 $3.75 $3.30/$4.00 34 19 32%
25 Sep 2026 $417.50 $34.37 $22.50/$27.60 0 0 31%
25 Sep 2026 $382.50 $3.80 $2.70/$3.40 3 5 32%

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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