OITracker Cboe delayed data

Contract OI history

Back to CLS

Oct 30, 2026 EXPIRATION

CLS $275.00 Put

CLS261030P00275000

Latest saved OI107Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $275.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 107530 2026-10-02: 22 OI2026-10-05: 32 OI2026-10-06: 29 OI2026-10-07: 31 OI2026-10-08: 33 OI2026-10-09: 34 OI2026-10-13: 35 OI2026-10-14: 35 OI2026-10-15: 35 OI2026-10-16: 94 OI2026-10-21: 102 OI2026-10-23: 107 OI Oct 02, 2026Oct 23, 2026

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

CLS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing107+5
Oct 21, 2026102+8
Oct 16, 202694+59
Oct 15, 2026350
Oct 14, 2026350
Oct 13, 202635+1
Oct 09, 202634+1
Oct 08, 202633+2
Oct 07, 202631+2
Oct 06, 202629-3
Oct 05, 202632+10
Oct 02, 202622No prior observation