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Contract OI history

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Dec 17, 2027 EXPIRATION

CLF $27.00 Call

CLF271217C00027000

Latest saved OI427Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLF $27.00 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. 4272130 2026-10-02: 231 OI2026-10-05: 231 OI2026-10-06: 231 OI2026-10-07: 231 OI2026-10-08: 231 OI2026-10-09: 231 OI2026-10-13: 423 OI2026-10-14: 423 OI2026-10-15: 398 OI2026-10-16: 398 OI2026-10-21: 427 OI2026-10-23: 427 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, 2026Viewing4270
Oct 21, 2026427+29
Oct 16, 20263980
Oct 15, 2026398-25
Oct 14, 20264230
Oct 13, 2026423+192
Oct 09, 20262310
Oct 08, 20262310
Oct 07, 20262310
Oct 06, 20262310
Oct 05, 20262310
Oct 02, 2026231No prior observation