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Contract OI history

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Dec 18, 2026 EXPIRATION

WOOF $2.50 Call

WOOF261218C00002500

Latest saved OI1,398Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WOOF $2.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,3986990 2026-10-09: 935 OI2026-10-13: 935 OI2026-10-14: 1,261 OI2026-10-15: 1,261 OI2026-10-16: 1,261 OI2026-10-21: 1,396 OI2026-10-23: 1,398 OI Oct 09, 2026Oct 23, 2026

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

WOOF contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261,398+2
Oct 21, 2026Viewing1,396+135
Oct 16, 20261,2610
Oct 15, 20261,2610
Oct 14, 20261,261+326
Oct 13, 20269350
Oct 09, 2026935No prior observation