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Contract OI history

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Dec 18, 2026 EXPIRATION

CLF $12.00 Put

CLF261218P00012000

Latest saved OI2,137Oct 23, 2026
Last change+26vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLF $12.00 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. 2,1371,0680 2026-10-02: 1,538 OI2026-10-05: 1,537 OI2026-10-06: 1,538 OI2026-10-07: 1,539 OI2026-10-08: 1,539 OI2026-10-09: 1,553 OI2026-10-13: 1,656 OI2026-10-14: 1,656 OI2026-10-15: 1,606 OI2026-10-16: 1,686 OI2026-10-21: 2,111 OI2026-10-23: 2,137 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, 2026Viewing2,137+26
Oct 21, 20262,111+425
Oct 16, 20261,686+80
Oct 15, 20261,606-50
Oct 14, 20261,6560
Oct 13, 20261,656+103
Oct 09, 20261,553+14
Oct 08, 20261,5390
Oct 07, 20261,539+1
Oct 06, 20261,538+1
Oct 05, 20261,537-1
Oct 02, 20261,538No prior observation