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Contract OI history

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Nov 20, 2026 EXPIRATION

WDFC $180.00 Put

WDFC261120P00180000

Latest saved OI44Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
WDFC $180.00 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. 44220 2026-10-08: 32 OI2026-10-09: 32 OI2026-10-13: 40 OI2026-10-14: 40 OI2026-10-16: 41 OI2026-10-21: 42 OI2026-10-23: 44 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, 2026Viewing44+2
Oct 21, 202642+1
Oct 16, 202641+1
Oct 14, 2026400
Oct 13, 202640+8
Oct 09, 2026320
Oct 08, 202632No prior observation