OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

BULL $9.00 Put

BULL261030P00009000

Latest saved OI63Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BULL $9.00 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. 3,0001,5000 2026-10-09: 3,000 OI2026-10-13: 3,000 OI2026-10-14: 3,000 OI2026-10-15: 3,000 OI2026-10-16: 3,000 OI2026-10-21: 63 OI2026-10-23: 63 OI Oct 09, 2026Oct 23, 2026

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

BULL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing630
Oct 21, 202663-2,937
Oct 16, 20263,0000
Oct 15, 20263,0000
Oct 14, 20263,0000
Oct 13, 20263,0000
Oct 09, 20263,000No prior observation