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Contract OI history

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Nov 20, 2026 EXPIRATION

CAT $770.00 Put

CAT261120P00770000

Latest saved OI421Oct 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 $770.00 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. 4212100 2026-10-02: 287 OI2026-10-05: 293 OI2026-10-06: 317 OI2026-10-07: 337 OI2026-10-08: 337 OI2026-10-09: 392 OI2026-10-13: 406 OI2026-10-14: 406 OI2026-10-15: 402 OI2026-10-16: 417 OI2026-10-21: 420 OI2026-10-23: 421 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, 2026Viewing421+1
Oct 21, 2026420+3
Oct 16, 2026417+15
Oct 15, 2026402-4
Oct 14, 20264060
Oct 13, 2026406+14
Oct 09, 2026392+55
Oct 08, 20263370
Oct 07, 2026337+20
Oct 06, 2026317+24
Oct 05, 2026293+6
Oct 02, 2026287No prior observation