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Contract OI history

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Jan 15, 2027 EXPIRATION

WOOF $4.00 Put

WOOF270115P00004000

Latest saved OI218Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WOOF $4.00 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. 2431210 2026-10-09: 243 OI2026-10-13: 243 OI2026-10-14: 218 OI2026-10-15: 218 OI2026-10-16: 218 OI2026-10-21: 218 OI2026-10-23: 218 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, 2026Viewing2180
Oct 21, 20262180
Oct 16, 20262180
Oct 15, 20262180
Oct 14, 2026218-25
Oct 13, 20262430
Oct 09, 2026243No prior observation