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Contract OI history

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Jun 17, 2027 EXPIRATION

WDC $410.00 Put

WDC270617P00410000

Latest saved OI176Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $410.00 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. 176880 2026-10-09: 168 OI2026-10-12: 168 OI2026-10-14: 168 OI2026-10-15: 168 OI2026-10-16: 167 OI2026-10-21: 175 OI2026-10-23: 176 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, 2026Viewing176+1
Oct 21, 2026175+8
Oct 16, 2026167-1
Oct 15, 20261680
Oct 14, 20261680
Oct 12, 20261680
Oct 09, 2026168No prior observation