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Contract OI history

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Oct 23, 2026 EXPIRATION

WDC $425.00 Put

WDC261023P00425000

Latest saved OI51Oct 23, 2026
Last change-64vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $425.00 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. 142710 2026-10-09: 142 OI2026-10-12: 142 OI2026-10-14: 140 OI2026-10-15: 138 OI2026-10-16: 133 OI2026-10-21: 115 OI2026-10-23: 51 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, 2026Viewing51-64
Oct 21, 2026115-18
Oct 16, 2026133-5
Oct 15, 2026138-2
Oct 14, 2026140-2
Oct 12, 20261420
Oct 09, 2026142No prior observation