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Contract OI history

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Nov 20, 2026 EXPIRATION

WDFC $185.00 Put

WDFC261120P00185000

Latest saved OI12Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
WDFC $185.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 1260 2026-10-08: 8 OI2026-10-09: 8 OI2026-10-13: 8 OI2026-10-14: 9 OI2026-10-16: 9 OI2026-10-21: 9 OI2026-10-23: 12 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

WDFC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing12+3
Oct 21, 202690
Oct 16, 202690
Oct 14, 20269+1
Oct 13, 202680
Oct 09, 202680
Oct 08, 20268No prior observation