OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CLS $280.00 Put

CLS270115P00280000

Latest saved OI222Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $280.00 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. 3581790 2026-10-02: 357 OI2026-10-05: 358 OI2026-10-06: 294 OI2026-10-07: 296 OI2026-10-08: 296 OI2026-10-09: 297 OI2026-10-13: 297 OI2026-10-14: 297 OI2026-10-15: 297 OI2026-10-16: 213 OI2026-10-21: 221 OI2026-10-23: 222 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, 2026Viewing222+1
Oct 21, 2026221+8
Oct 16, 2026213-84
Oct 15, 20262970
Oct 14, 20262970
Oct 13, 20262970
Oct 09, 2026297+1
Oct 08, 20262960
Oct 07, 2026296+2
Oct 06, 2026294-64
Oct 05, 2026358+1
Oct 02, 2026357No prior observation