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Contract OI history

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Mar 19, 2027 EXPIRATION

COF $150.00 Put

COF270319P00150000

Latest saved OI297Oct 23, 2026
Last change-1vs 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. 2981490 2026-10-02: 103 OI2026-10-05: 110 OI2026-10-06: 130 OI2026-10-07: 134 OI2026-10-08: 134 OI2026-10-09: 189 OI2026-10-13: 287 OI2026-10-14: 287 OI2026-10-15: 287 OI2026-10-16: 287 OI2026-10-21: 298 OI2026-10-23: 297 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, 2026Viewing297-1
Oct 21, 2026298+11
Oct 16, 20262870
Oct 15, 20262870
Oct 14, 20262870
Oct 13, 2026287+98
Oct 09, 2026189+55
Oct 08, 20261340
Oct 07, 2026134+4
Oct 06, 2026130+20
Oct 05, 2026110+7
Oct 02, 2026103No prior observation