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Contract OI history

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Jun 16, 2028 EXPIRATION

CAT $800.00 Put

CAT280616P00800000

Latest saved OI127Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $800.00 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. 127630 2026-10-02: 121 OI2026-10-05: 121 OI2026-10-06: 124 OI2026-10-07: 124 OI2026-10-08: 124 OI2026-10-09: 124 OI2026-10-13: 124 OI2026-10-14: 124 OI2026-10-15: 123 OI2026-10-16: 123 OI2026-10-21: 127 OI2026-10-23: 127 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, 2026Viewing1270
Oct 21, 2026127+4
Oct 16, 20261230
Oct 15, 2026123-1
Oct 14, 20261240
Oct 13, 20261240
Oct 09, 20261240
Oct 08, 20261240
Oct 07, 20261240
Oct 06, 2026124+3
Oct 05, 20261210
Oct 02, 2026121No prior observation