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Contract OI history

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Oct 30, 2026 EXPIRATION

WDC $375.00 Put

WDC261030P00375000

Latest saved OI311Oct 23, 2026
Last change+19vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $375.00 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. 3651820 2026-10-09: 297 OI2026-10-12: 315 OI2026-10-14: 353 OI2026-10-15: 365 OI2026-10-16: 337 OI2026-10-21: 292 OI2026-10-23: 311 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, 2026Viewing311+19
Oct 21, 2026292-45
Oct 16, 2026337-28
Oct 15, 2026365+12
Oct 14, 2026353+38
Oct 12, 2026315+18
Oct 09, 2026297No prior observation