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Contract OI history

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Oct 30, 2026 EXPIRATION

WDC $365.00 Put

WDC261030P00365000

Latest saved OI170Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $365.00 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. 181900 2026-10-09: 146 OI2026-10-12: 162 OI2026-10-14: 181 OI2026-10-15: 172 OI2026-10-16: 172 OI2026-10-21: 167 OI2026-10-23: 170 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, 2026Viewing170+3
Oct 21, 2026167-5
Oct 16, 20261720
Oct 15, 2026172-9
Oct 14, 2026181+19
Oct 12, 2026162+16
Oct 09, 2026146No prior observation