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Contract OI history

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Jun 17, 2027 EXPIRATION

WDC $380.00 Put

WDC270617P00380000

Latest saved OI762Oct 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 $380.00 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. 7963980 2026-10-09: 658 OI2026-10-12: 796 OI2026-10-14: 796 OI2026-10-15: 766 OI2026-10-16: 762 OI2026-10-21: 762 OI2026-10-23: 762 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, 2026Viewing7620
Oct 21, 20267620
Oct 16, 2026762-4
Oct 15, 2026766-30
Oct 14, 20267960
Oct 12, 2026796+138
Oct 09, 2026658No prior observation