OITracker Cboe delayed data

Contract OI history

Back to CLS

Feb 19, 2027 EXPIRATION

CLS $210.00 Put

CLS270219P00210000

Latest saved OI312Oct 23, 2026
Last change-306vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $210.00 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. 6183090 2026-10-02: 598 OI2026-10-05: 598 OI2026-10-06: 598 OI2026-10-07: 598 OI2026-10-08: 598 OI2026-10-09: 598 OI2026-10-13: 598 OI2026-10-14: 598 OI2026-10-15: 598 OI2026-10-16: 598 OI2026-10-21: 618 OI2026-10-23: 312 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, 2026Viewing312-306
Oct 21, 2026618+20
Oct 16, 20265980
Oct 15, 20265980
Oct 14, 20265980
Oct 13, 20265980
Oct 09, 20265980
Oct 08, 20265980
Oct 07, 20265980
Oct 06, 20265980
Oct 05, 20265980
Oct 02, 2026598No prior observation