OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CE $35.00 Put

CE270115P00035000

Latest saved OI385Oct 23, 2026
Last change+3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CE $35.00 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. 4812400 2026-10-02: 481 OI2026-10-05: 481 OI2026-10-06: 481 OI2026-10-07: 480 OI2026-10-08: 480 OI2026-10-09: 380 OI2026-10-13: 380 OI2026-10-14: 382 OI2026-10-16: 382 OI2026-10-20: 382 OI2026-10-23: 385 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, 2026Viewing385+3
Oct 20, 20263820
Oct 16, 20263820
Oct 14, 2026382+2
Oct 13, 20263800
Oct 09, 2026380-100
Oct 08, 20264800
Oct 07, 2026480-1
Oct 06, 20264810
Oct 05, 20264810
Oct 02, 2026481No prior observation