OITracker Cboe delayed data

Contract OI history

Back to CLS

Jan 15, 2027 EXPIRATION

CLS $240.00 Put

CLS270115P00240000

Latest saved OI233Oct 23, 2026
Last change+19vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $240.00 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. 2331160 2026-10-02: 198 OI2026-10-05: 198 OI2026-10-06: 199 OI2026-10-07: 199 OI2026-10-08: 199 OI2026-10-09: 199 OI2026-10-13: 200 OI2026-10-14: 200 OI2026-10-15: 202 OI2026-10-16: 202 OI2026-10-21: 214 OI2026-10-23: 233 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, 2026Viewing233+19
Oct 21, 2026214+12
Oct 16, 20262020
Oct 15, 2026202+2
Oct 14, 20262000
Oct 13, 2026200+1
Oct 09, 20261990
Oct 08, 20261990
Oct 07, 20261990
Oct 06, 2026199+1
Oct 05, 20261980
Oct 02, 2026198No prior observation