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Contract OI history

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Dec 18, 2026 EXPIRATION

CAT $700.00 Put

CAT261218P00700000

Latest saved OI801Oct 23, 2026
Last change+50vs 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. 8014000 2026-10-02: 391 OI2026-10-05: 394 OI2026-10-06: 404 OI2026-10-07: 485 OI2026-10-08: 485 OI2026-10-09: 552 OI2026-10-13: 627 OI2026-10-14: 627 OI2026-10-15: 637 OI2026-10-16: 702 OI2026-10-21: 751 OI2026-10-23: 801 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, 2026Viewing801+50
Oct 21, 2026751+49
Oct 16, 2026702+65
Oct 15, 2026637+10
Oct 14, 20266270
Oct 13, 2026627+75
Oct 09, 2026552+67
Oct 08, 20264850
Oct 07, 2026485+81
Oct 06, 2026404+10
Oct 05, 2026394+3
Oct 02, 2026391No prior observation