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Contract OI history

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Oct 23, 2026 EXPIRATION

WDC $415.00 Put

WDC261023P00415000

Latest saved OI40Oct 23, 2026
Last change-344vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $415.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4132060 2026-10-09: 137 OI2026-10-12: 403 OI2026-10-14: 407 OI2026-10-15: 413 OI2026-10-16: 408 OI2026-10-21: 384 OI2026-10-23: 40 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

WDC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing40-344
Oct 21, 2026384-24
Oct 16, 2026408-5
Oct 15, 2026413+6
Oct 14, 2026407+4
Oct 12, 2026403+266
Oct 09, 2026137No prior observation