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Contract OI history

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Apr 16, 2027 EXPIRATION

WDC $260.00 Put

WDC270416P00260000

Latest saved OI435Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $260.00 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. 4352170 2026-10-09: 182 OI2026-10-12: 183 OI2026-10-14: 219 OI2026-10-15: 322 OI2026-10-16: 322 OI2026-10-21: 435 OI2026-10-23: 435 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, 2026Viewing4350
Oct 21, 2026435+113
Oct 16, 20263220
Oct 15, 2026322+103
Oct 14, 2026219+36
Oct 12, 2026183+1
Oct 09, 2026182No prior observation