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Contract OI history

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Dec 18, 2026 EXPIRATION

CAT $860.00 Put

CAT261218P00860000

Latest saved OI113Oct 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
CAT $860.00 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. 135670 2026-10-02: 85 OI2026-10-05: 81 OI2026-10-06: 93 OI2026-10-07: 92 OI2026-10-08: 92 OI2026-10-09: 92 OI2026-10-13: 94 OI2026-10-14: 94 OI2026-10-15: 135 OI2026-10-16: 135 OI2026-10-21: 114 OI2026-10-23: 113 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, 2026Viewing113-1
Oct 21, 2026114-21
Oct 16, 20261350
Oct 15, 2026135+41
Oct 14, 2026940
Oct 13, 202694+2
Oct 09, 2026920
Oct 08, 2026920
Oct 07, 202692-1
Oct 06, 202693+12
Oct 05, 202681-4
Oct 02, 202685No prior observation