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Contract OI history

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Nov 20, 2026 EXPIRATION

CAT $680.00 Put

CAT261120P00680000

Latest saved OI305Oct 23, 2026
Last change+35vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $680.00 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. 3051520 2026-10-02: 149 OI2026-10-05: 142 OI2026-10-06: 159 OI2026-10-07: 196 OI2026-10-08: 196 OI2026-10-09: 204 OI2026-10-13: 211 OI2026-10-14: 211 OI2026-10-15: 225 OI2026-10-16: 240 OI2026-10-21: 270 OI2026-10-23: 305 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, 2026Viewing305+35
Oct 21, 2026270+30
Oct 16, 2026240+15
Oct 15, 2026225+14
Oct 14, 20262110
Oct 13, 2026211+7
Oct 09, 2026204+8
Oct 08, 20261960
Oct 07, 2026196+37
Oct 06, 2026159+17
Oct 05, 2026142-7
Oct 02, 2026149No prior observation