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Contract OI history

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Nov 20, 2026 EXPIRATION

CAT $610.00 Put

CAT261120P00610000

Latest saved OI177Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $610.00 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. 177880 2026-10-02: 143 OI2026-10-05: 142 OI2026-10-06: 140 OI2026-10-07: 141 OI2026-10-08: 141 OI2026-10-09: 143 OI2026-10-13: 148 OI2026-10-14: 148 OI2026-10-15: 151 OI2026-10-16: 157 OI2026-10-21: 167 OI2026-10-23: 177 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, 2026Viewing177+10
Oct 21, 2026167+10
Oct 16, 2026157+6
Oct 15, 2026151+3
Oct 14, 20261480
Oct 13, 2026148+5
Oct 09, 2026143+2
Oct 08, 20261410
Oct 07, 2026141+1
Oct 06, 2026140-2
Oct 05, 2026142-1
Oct 02, 2026143No prior observation