OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

CE $45.00 Put

CE261120P00045000

Latest saved OI450Oct 23, 2026
Last change+29vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CE $45.00 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. 4502250 2026-10-02: 288 OI2026-10-05: 291 OI2026-10-06: 291 OI2026-10-07: 291 OI2026-10-08: 318 OI2026-10-09: 369 OI2026-10-13: 396 OI2026-10-14: 398 OI2026-10-16: 398 OI2026-10-20: 421 OI2026-10-23: 450 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, 2026Viewing450+29
Oct 20, 2026421+23
Oct 16, 20263980
Oct 14, 2026398+2
Oct 13, 2026396+27
Oct 09, 2026369+51
Oct 08, 2026318+27
Oct 07, 20262910
Oct 06, 20262910
Oct 05, 2026291+3
Oct 02, 2026288No prior observation