OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

CE $30.00 Put

CE261218P00030000

Latest saved OI82Oct 23, 2026
Last change-41vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CE $30.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 150750 2026-10-02: 122 OI2026-10-05: 122 OI2026-10-06: 122 OI2026-10-07: 122 OI2026-10-08: 120 OI2026-10-09: 120 OI2026-10-13: 150 OI2026-10-14: 150 OI2026-10-16: 150 OI2026-10-20: 123 OI2026-10-23: 82 OI Oct 02, 2026Oct 23, 2026

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

CE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing82-41
Oct 20, 2026123-27
Oct 16, 20261500
Oct 14, 20261500
Oct 13, 2026150+30
Oct 09, 20261200
Oct 08, 2026120-2
Oct 07, 20261220
Oct 06, 20261220
Oct 05, 20261220
Oct 02, 2026122No prior observation