OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

CAT $720.00 Put

CAT261120P00720000

Latest saved OI580Oct 23, 2026
Last change+57vs 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. 5802900 2026-10-02: 329 OI2026-10-05: 309 OI2026-10-06: 311 OI2026-10-07: 372 OI2026-10-08: 372 OI2026-10-09: 461 OI2026-10-13: 487 OI2026-10-14: 487 OI2026-10-15: 524 OI2026-10-16: 542 OI2026-10-21: 523 OI2026-10-23: 580 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, 2026Viewing580+57
Oct 21, 2026523-19
Oct 16, 2026542+18
Oct 15, 2026524+37
Oct 14, 20264870
Oct 13, 2026487+26
Oct 09, 2026461+89
Oct 08, 20263720
Oct 07, 2026372+61
Oct 06, 2026311+2
Oct 05, 2026309-20
Oct 02, 2026329No prior observation