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Contract OI history

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Nov 20, 2026 EXPIRATION

COF $190.00 Put

COF261120P00190000

Latest saved OI467Oct 23, 2026
Last change+295vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $190.00 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. 4672330 2026-10-02: 95 OI2026-10-05: 106 OI2026-10-06: 131 OI2026-10-07: 134 OI2026-10-08: 134 OI2026-10-09: 138 OI2026-10-13: 149 OI2026-10-14: 149 OI2026-10-15: 155 OI2026-10-16: 152 OI2026-10-21: 172 OI2026-10-23: 467 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, 2026Viewing467+295
Oct 21, 2026172+20
Oct 16, 2026152-3
Oct 15, 2026155+6
Oct 14, 20261490
Oct 13, 2026149+11
Oct 09, 2026138+4
Oct 08, 20261340
Oct 07, 2026134+3
Oct 06, 2026131+25
Oct 05, 2026106+11
Oct 02, 202695No prior observation