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Contract OI history

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Nov 20, 2026 EXPIRATION

COF $195.00 Put

COF261120P00195000

Latest saved OI357Oct 23, 2026
Last change-45vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $195.00 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. 4022010 2026-10-02: 233 OI2026-10-05: 235 OI2026-10-06: 260 OI2026-10-07: 284 OI2026-10-08: 284 OI2026-10-09: 282 OI2026-10-13: 284 OI2026-10-14: 284 OI2026-10-15: 355 OI2026-10-16: 352 OI2026-10-21: 402 OI2026-10-23: 357 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, 2026Viewing357-45
Oct 21, 2026402+50
Oct 16, 2026352-3
Oct 15, 2026355+71
Oct 14, 20262840
Oct 13, 2026284+2
Oct 09, 2026282-2
Oct 08, 20262840
Oct 07, 2026284+24
Oct 06, 2026260+25
Oct 05, 2026235+2
Oct 02, 2026233No prior observation