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Contract OI history

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Dec 17, 2027 EXPIRATION

CLF $20.00 Call

CLF271217C00020000

Latest saved OI2,558Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLF $20.00 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. 2,5581,2790 2026-10-02: 2,312 OI2026-10-05: 2,334 OI2026-10-06: 2,336 OI2026-10-07: 2,336 OI2026-10-08: 2,336 OI2026-10-09: 2,338 OI2026-10-13: 2,338 OI2026-10-14: 2,338 OI2026-10-15: 2,339 OI2026-10-16: 2,339 OI2026-10-21: 2,555 OI2026-10-23: 2,558 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CLF contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,558+3
Oct 21, 20262,555+216
Oct 16, 20262,3390
Oct 15, 20262,339+1
Oct 14, 20262,3380
Oct 13, 20262,3380
Oct 09, 20262,338+2
Oct 08, 20262,3360
Oct 07, 20262,3360
Oct 06, 20262,336+2
Oct 05, 20262,334+22
Oct 02, 20262,312No prior observation