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Contract OI history

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Dec 18, 2026 EXPIRATION

CAT $620.00 Put

CAT261218P00620000

Latest saved OI249Oct 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 $620.00 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. 2491240 2026-10-02: 173 OI2026-10-05: 172 OI2026-10-06: 171 OI2026-10-07: 170 OI2026-10-08: 170 OI2026-10-09: 170 OI2026-10-13: 178 OI2026-10-14: 178 OI2026-10-15: 176 OI2026-10-16: 217 OI2026-10-21: 239 OI2026-10-23: 249 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, 2026Viewing249+10
Oct 21, 2026239+22
Oct 16, 2026217+41
Oct 15, 2026176-2
Oct 14, 20261780
Oct 13, 2026178+8
Oct 09, 20261700
Oct 08, 20261700
Oct 07, 2026170-1
Oct 06, 2026171-1
Oct 05, 2026172-1
Oct 02, 2026173No prior observation