OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

OPEN $2.00 Put

OPEN261218P00002000

Latest saved OI2,465Oct 23, 2026
Last change-512vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OPEN $2.00 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. 2,9771,4880 2026-10-09: 2,602 OI2026-10-13: 2,732 OI2026-10-14: 2,732 OI2026-10-15: 2,769 OI2026-10-16: 2,790 OI2026-10-21: 2,977 OI2026-10-23: 2,465 OI Oct 09, 2026Oct 23, 2026

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

OPEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,465-512
Oct 21, 20262,977+187
Oct 16, 20262,790+21
Oct 15, 20262,769+37
Oct 14, 20262,7320
Oct 13, 20262,732+130
Oct 09, 20262,602No prior observation