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Contract OI history

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Oct 23, 2026 EXPIRATION

COF $215.00 Call

COF261023C00215000

Latest saved OI1,133Oct 23, 2026
Last change+53vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $215.00 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. 1,1335660 2026-10-02: 182 OI2026-10-05: 197 OI2026-10-06: 220 OI2026-10-07: 221 OI2026-10-08: 221 OI2026-10-09: 226 OI2026-10-13: 230 OI2026-10-14: 230 OI2026-10-15: 230 OI2026-10-16: 252 OI2026-10-21: 1,080 OI2026-10-23: 1,133 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, 2026Viewing1,133+53
Oct 21, 20261,080+828
Oct 16, 2026252+22
Oct 15, 20262300
Oct 14, 20262300
Oct 13, 2026230+4
Oct 09, 2026226+5
Oct 08, 20262210
Oct 07, 2026221+1
Oct 06, 2026220+23
Oct 05, 2026197+15
Oct 02, 2026182No prior observation