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Contract OI history

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Jan 21, 2028 EXPIRATION

COF $150.00 Put

COF280121P00150000

Latest saved OI820Oct 23, 2026
Last change+9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $150.00 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. 8204100 2026-10-02: 443 OI2026-10-05: 445 OI2026-10-06: 456 OI2026-10-07: 461 OI2026-10-08: 461 OI2026-10-09: 461 OI2026-10-13: 561 OI2026-10-14: 561 OI2026-10-15: 561 OI2026-10-16: 811 OI2026-10-21: 811 OI2026-10-23: 820 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

COF contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing820+9
Oct 21, 20268110
Oct 16, 2026811+250
Oct 15, 20265610
Oct 14, 20265610
Oct 13, 2026561+100
Oct 09, 20264610
Oct 08, 20264610
Oct 07, 2026461+5
Oct 06, 2026456+11
Oct 05, 2026445+2
Oct 02, 2026443No prior observation