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Contract OI history

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Nov 20, 2026 EXPIRATION

COF $220.00 Call

COF261120C00220000

Latest saved OI876Oct 23, 2026
Last change+186vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $220.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8764380 2026-10-02: 465 OI2026-10-05: 475 OI2026-10-06: 518 OI2026-10-07: 524 OI2026-10-08: 524 OI2026-10-09: 561 OI2026-10-13: 586 OI2026-10-14: 586 OI2026-10-15: 585 OI2026-10-16: 610 OI2026-10-21: 690 OI2026-10-23: 876 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, 2026Viewing876+186
Oct 21, 2026690+80
Oct 16, 2026610+25
Oct 15, 2026585-1
Oct 14, 20265860
Oct 13, 2026586+25
Oct 09, 2026561+37
Oct 08, 20265240
Oct 07, 2026524+6
Oct 06, 2026518+43
Oct 05, 2026475+10
Oct 02, 2026465No prior observation