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Intuitive Surgical Inc ISRG 393.59 10.05 2.62%

Previous-day view · Fri Sep 18 close. You are previewing the previous trading day. Subscribe to see today live and every other date — plans start at Delta, $39/mo. Sign up Sign in
Group
Window
Scale
Plotted 3/8
Metric library

Volatility

Interactive timeline

ISRG / Comparative study

3 signals / 502 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.72
21.45
Mean
36.09
Window
-55.6%
ATM IV z 0.25
0.34
Mean
0.33
Window
+7.5%
IV Percentile z -0.08
57.37
Mean
59.55
Window
-22.7%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.76 0.82
ATM IV 0.76 1.00 0.86
IV Percent... 0.82 0.86 1.00
Source observations

Data inspector

1-50 of 502
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-18 393.59 21.45 0.34 57.37
2026-09-17 383.54 23.65 0.36 68.13
2026-09-16 382.29 23.67 0.36 68.53
2026-09-15 377.16 23.7 0.36 68.92
2026-09-14 377.94 22.58 0.35 63.2
2026-09-11 369.15 19.92 0.33 52.59
2026-09-10 360.46 22.07 0.35 60.96
2026-09-09 353.24 22.04 0.35 60.96
2026-09-08 350.16 22.29 0.35 62.15
2026-09-07 366.25 22.42 0.35 62.4
2026-09-04 366.7 18.91 0.33 48.61
2026-09-03 369.83 20.18 0.33 55.38
2026-09-02 371.88 22.89 0.35 64.94
2026-09-01 369.25 19.3 0.33 52
2026-08-31 376.86 20.31 0.34 56.22
2026-08-28 372.6 16.56 0.31 33.6
2026-08-27 367.07 19.16 0.33 52
2026-08-26 370.42 17.75 0.32 42.4
2026-08-25 371.84 18.83 0.32 50
2026-08-24 373.57 19.14 0.33 51.81
2026-08-21 378.81 19.46 0.33 53.6
2026-08-20 374.48 19.81 0.33 54.8
2026-08-19 397.72 18.36 0.32 48.8
2026-08-18 391.18 16.82 0.31 39.6
2026-08-17 390.33 16.85 0.31 39.76
2026-08-14 394.51 16.11 0.3 33.6
2026-08-13 401.27 18 0.32 46
2026-08-12 401.27 17.89 0.32 45.6
2026-08-11 401.23 18.8 0.32 51.2
2026-08-10 393.38 21.25 0.34 60.24
2026-08-07 378.81 20.18 0.33 56.4
2026-08-06 373.71 22.9 0.35 65.2
2026-08-05 375.2 23.75 0.36 69.2
2026-08-04 368.26 100 0.93 100
2026-08-03 375.41 42.64 0.37 75.9
2026-07-31 353.33 37.84 0.35 66
2026-07-30 352.97 38.43 0.36 67.6
2026-07-29 353.1 42.13 0.37 73.6
2026-07-28 361.8 42.37 0.37 75.6
2026-07-27 356.83 43.54 0.38 77.91
2026-07-24 337.5 38.97 0.36 70
2026-07-23 332.02 43.72 0.38 78.4
2026-07-22 340.69 42.83 0.37 76.8
2026-07-21 350.06 41.05 0.37 72.8
2026-07-20 353.17 41.12 0.37 73.49
2026-07-17 345.42 41.36 0.37 73.2
2026-07-16 402.33 64.81 0.47 97.6
2026-07-15 388.97 65.47 0.48 98
2026-07-14 379.5 67.68 0.49 99.2
2026-07-13 407.12 63.24 0.47 98.39