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Contract OI history

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Oct 23, 2026 EXPIRATION

WDC $430.00 Put

WDC261023P00430000

Latest saved OI19Oct 23, 2026
Last change-108vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $430.00 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. 138690 2026-10-09: 138 OI2026-10-12: 138 OI2026-10-14: 137 OI2026-10-15: 133 OI2026-10-16: 129 OI2026-10-21: 127 OI2026-10-23: 19 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, 2026Viewing19-108
Oct 21, 2026127-2
Oct 16, 2026129-4
Oct 15, 2026133-4
Oct 14, 2026137-1
Oct 12, 20261380
Oct 09, 2026138No prior observation