OITracker Cboe delayed data

Contract OI history

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Dec 17, 2027 EXPIRATION

CAT $700.00 Put

CAT271217P00700000

Latest saved OI121Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $700.00 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. 121600 2026-10-02: 95 OI2026-10-05: 95 OI2026-10-06: 105 OI2026-10-07: 105 OI2026-10-08: 105 OI2026-10-09: 110 OI2026-10-13: 110 OI2026-10-14: 110 OI2026-10-15: 110 OI2026-10-16: 111 OI2026-10-21: 121 OI2026-10-23: 121 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, 2026Viewing1210
Oct 21, 2026121+10
Oct 16, 2026111+1
Oct 15, 20261100
Oct 14, 20261100
Oct 13, 20261100
Oct 09, 2026110+5
Oct 08, 20261050
Oct 07, 20261050
Oct 06, 2026105+10
Oct 05, 2026950
Oct 02, 202695No prior observation