OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

CAT $720.00 Put

CAT270319P00720000

Latest saved OI287Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $720.00 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. 2901450 2026-10-02: 242 OI2026-10-05: 244 OI2026-10-06: 256 OI2026-10-07: 266 OI2026-10-08: 266 OI2026-10-09: 274 OI2026-10-13: 278 OI2026-10-14: 278 OI2026-10-15: 290 OI2026-10-16: 277 OI2026-10-21: 285 OI2026-10-23: 287 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CAT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing287+2
Oct 21, 2026285+8
Oct 16, 2026277-13
Oct 15, 2026290+12
Oct 14, 20262780
Oct 13, 2026278+4
Oct 09, 2026274+8
Oct 08, 20262660
Oct 07, 2026266+10
Oct 06, 2026256+12
Oct 05, 2026244+2
Oct 02, 2026242No prior observation