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Contract OI history

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Jun 16, 2028 EXPIRATION

WDC $170.00 Put

WDC280616P00170000

Latest saved OI387Oct 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 $170.00 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. 3871930 2026-10-09: 182 OI2026-10-12: 182 OI2026-10-14: 182 OI2026-10-15: 182 OI2026-10-16: 183 OI2026-10-21: 387 OI2026-10-23: 387 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, 2026Viewing3870
Oct 21, 2026387+204
Oct 16, 2026183+1
Oct 15, 20261820
Oct 14, 20261820
Oct 12, 20261820
Oct 09, 2026182No prior observation