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Contract OI history

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Mar 19, 2027 EXPIRATION

CLF $13.00 Put

CLF270319P00013000

Latest saved OI388Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLF $13.00 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. 3881940 2026-10-02: 260 OI2026-10-05: 260 OI2026-10-06: 275 OI2026-10-07: 275 OI2026-10-08: 275 OI2026-10-09: 275 OI2026-10-13: 277 OI2026-10-14: 277 OI2026-10-15: 275 OI2026-10-16: 354 OI2026-10-21: 386 OI2026-10-23: 388 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, 2026Viewing388+2
Oct 21, 2026386+32
Oct 16, 2026354+79
Oct 15, 2026275-2
Oct 14, 20262770
Oct 13, 2026277+2
Oct 09, 20262750
Oct 08, 20262750
Oct 07, 20262750
Oct 06, 2026275+15
Oct 05, 20262600
Oct 02, 2026260No prior observation