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Contract OI history

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Nov 13, 2026 EXPIRATION

WDC $350.00 Put

WDC261113P00350000

Latest saved OI208Oct 23, 2026
Last change-4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $350.00 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. 2121060 2026-10-09: 113 OI2026-10-12: 112 OI2026-10-14: 188 OI2026-10-15: 191 OI2026-10-16: 201 OI2026-10-21: 212 OI2026-10-23: 208 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, 2026Viewing208-4
Oct 21, 2026212+11
Oct 16, 2026201+10
Oct 15, 2026191+3
Oct 14, 2026188+76
Oct 12, 2026112-1
Oct 09, 2026113No prior observation