OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

CLS $310.00 Put

CLS261120P00310000

Latest saved OI425Oct 23, 2026
Last change-11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $310.00 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. 4362180 2026-10-02: 181 OI2026-10-05: 233 OI2026-10-06: 240 OI2026-10-07: 251 OI2026-10-08: 259 OI2026-10-09: 261 OI2026-10-13: 316 OI2026-10-14: 316 OI2026-10-15: 318 OI2026-10-16: 314 OI2026-10-21: 436 OI2026-10-23: 425 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, 2026Viewing425-11
Oct 21, 2026436+122
Oct 16, 2026314-4
Oct 15, 2026318+2
Oct 14, 20263160
Oct 13, 2026316+55
Oct 09, 2026261+2
Oct 08, 2026259+8
Oct 07, 2026251+11
Oct 06, 2026240+7
Oct 05, 2026233+52
Oct 02, 2026181No prior observation