OITracker Cboe delayed data

Contract OI history

Back to CLS

Oct 23, 2026 EXPIRATION

CLS $310.00 Put

CLS261023P00310000

Latest saved OI10Oct 23, 2026
Last change-551vs 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. 6573280 2026-10-02: 141 OI2026-10-05: 114 OI2026-10-06: 106 OI2026-10-07: 95 OI2026-10-08: 131 OI2026-10-09: 140 OI2026-10-13: 657 OI2026-10-14: 657 OI2026-10-15: 562 OI2026-10-16: 573 OI2026-10-21: 561 OI2026-10-23: 10 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, 2026Viewing10-551
Oct 21, 2026561-12
Oct 16, 2026573+11
Oct 15, 2026562-95
Oct 14, 20266570
Oct 13, 2026657+517
Oct 09, 2026140+9
Oct 08, 2026131+36
Oct 07, 202695-11
Oct 06, 2026106-8
Oct 05, 2026114-27
Oct 02, 2026141No prior observation