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Contract OI history

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Dec 18, 2026 EXPIRATION

CAT $670.00 Put

CAT261218P00670000

Latest saved OI182Oct 23, 2026
Last change+15vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $670.00 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. 182910 2026-10-02: 101 OI2026-10-05: 105 OI2026-10-06: 103 OI2026-10-07: 106 OI2026-10-08: 106 OI2026-10-09: 120 OI2026-10-13: 131 OI2026-10-14: 131 OI2026-10-15: 134 OI2026-10-16: 156 OI2026-10-21: 167 OI2026-10-23: 182 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, 2026Viewing182+15
Oct 21, 2026167+11
Oct 16, 2026156+22
Oct 15, 2026134+3
Oct 14, 20261310
Oct 13, 2026131+11
Oct 09, 2026120+14
Oct 08, 20261060
Oct 07, 2026106+3
Oct 06, 2026103-2
Oct 05, 2026105+4
Oct 02, 2026101No prior observation