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Costco Wholesale Corp COST 896.7 2.77 0.31%

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

COST / Comparative study

3 signals / 510 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 0.99
62.13
Mean
41.91
Window
-26.2%
ATM IV z 0.11
0.24
Mean
0.23
Window
-17.2%
IV Percentile z 0.26
62.55
Mean
55.61
Window
-35.9%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.73 0.79
ATM IV 0.73 1.00 0.90
IV Percent... 0.79 0.90 1.00
Source observations

Data inspector

1-50 of 510
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-18 896.7 62.13 0.24 62.55
2026-09-17 893.93 57.57 0.23 50.97
2026-09-16 893.74 64.12 0.24 66.41
2026-09-15 901.35 65.04 0.24 67.57
2026-09-14 918.91 62.21 0.24 62.4
2026-09-11 904.77 60.31 0.23 57.92
2026-09-10 902.38 63.93 0.24 64.86
2026-09-09 902.6 65.05 0.24 66.41
2026-09-08 910.18 66.41 0.24 67.95
2026-09-07 916 63.46 0.24 64.34
2026-09-04 915.74 59.64 0.23 56.76
2026-09-03 925.41 58.23 0.23 53.28
2026-09-02 928.48 64.58 0.24 65.64
2026-09-01 939.96 66.76 0.25 68.6
2026-08-31 943.89 63.37 0.24 63.81
2026-08-28 945.47 43.13 0.2 13.95
2026-08-27 934.66 45.88 0.21 20.93
2026-08-26 956.12 44.86 0.21 16.67
2026-08-25 960.01 44.87 0.21 16.67
2026-08-24 971.4 46.86 0.21 23.74
2026-08-21 947.74 43.28 0.2 14.34
2026-08-20 933.51 50.41 0.22 33.72
2026-08-19 956.99 45.07 0.21 19.38
2026-08-18 961.35 48.55 0.21 28.29
2026-08-17 953.5 43.89 0.2 16.34
2026-08-14 961.1 42.8 0.2 15.5
2026-08-13 961.85 47.77 0.21 27.52
2026-08-12 949.58 45.28 0.21 20.93
2026-08-11 944.32 47.77 0.21 27.52
2026-08-10 952.75 52.27 0.22 38.13
2026-08-07 947.82 52.08 0.22 37.98
2026-08-06 949.15 56.18 0.23 47.67
2026-08-05 941.99 56.73 0.23 49.61
2026-08-04 947.85 61.42 0.24 60.08
2026-08-03 954.08 63.72 0.24 64.98
2026-07-31 951.89 59.97 0.23 58.53
2026-07-30 954.17 54.35 0.22 45.74
2026-07-29 974.03 56.23 0.23 49.61
2026-07-28 966.58 56.28 0.23 50
2026-07-27 951.58 51.38 0.22 40.08
2026-07-24 935.03 49.22 0.21 34.11
2026-07-23 926.06 52.8 0.22 43.02
2026-07-22 927.31 54.68 0.22 46.9
2026-07-21 929.22 55.04 0.22 48.06
2026-07-20 935.8 58.63 0.23 55.64
2026-07-17 940.87 57.81 0.23 54.65
2026-07-16 945.57 51.54 0.22 43.02
2026-07-15 916.54 54.3 0.22 48.06
2026-07-14 921.75 56.83 0.23 51.94
2026-07-13 926.43 53.07 0.22 47.47