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Contract OI history

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Nov 06, 2026 EXPIRATION

WDC $370.00 Put

WDC261106P00370000

Latest saved OI358Oct 23, 2026
Last change+13vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $370.00 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. 3581790 2026-10-09: 315 OI2026-10-12: 314 OI2026-10-14: 314 OI2026-10-15: 338 OI2026-10-16: 330 OI2026-10-21: 345 OI2026-10-23: 358 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, 2026Viewing358+13
Oct 21, 2026345+15
Oct 16, 2026330-8
Oct 15, 2026338+24
Oct 14, 20263140
Oct 12, 2026314-1
Oct 09, 2026315No prior observation