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Contract OI history

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Dec 18, 2026 EXPIRATION

CLF $8.00 Put

CLF261218P00008000

Latest saved OI1,627Oct 23, 2026
Last change-11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLF $8.00 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. 1,6388190 2026-10-02: 1,583 OI2026-10-05: 1,583 OI2026-10-06: 1,582 OI2026-10-07: 1,583 OI2026-10-08: 1,583 OI2026-10-09: 1,614 OI2026-10-13: 1,614 OI2026-10-14: 1,614 OI2026-10-15: 1,614 OI2026-10-16: 1,625 OI2026-10-21: 1,638 OI2026-10-23: 1,627 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, 2026Viewing1,627-11
Oct 21, 20261,638+13
Oct 16, 20261,625+11
Oct 15, 20261,6140
Oct 14, 20261,6140
Oct 13, 20261,6140
Oct 09, 20261,614+31
Oct 08, 20261,5830
Oct 07, 20261,583+1
Oct 06, 20261,582-1
Oct 05, 20261,5830
Oct 02, 20261,583No prior observation