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Contract OI history

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Jan 15, 2027 EXPIRATION

CI $260.00 Put

CI270115P00260000

Latest saved OI1,200Oct 23, 2026
Last change-6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CI $260.00 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. 1,2066030 2026-10-02: 1,128 OI2026-10-05: 1,134 OI2026-10-06: 1,134 OI2026-10-07: 1,171 OI2026-10-08: 1,171 OI2026-10-09: 1,171 OI2026-10-13: 1,178 OI2026-10-14: 1,178 OI2026-10-15: 1,178 OI2026-10-16: 1,178 OI2026-10-21: 1,206 OI2026-10-23: 1,200 OI Oct 02, 2026Oct 23, 2026

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

CI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,200-6
Oct 21, 20261,206+28
Oct 16, 20261,1780
Oct 15, 20261,1780
Oct 14, 20261,1780
Oct 13, 20261,178+7
Oct 09, 20261,1710
Oct 08, 20261,1710
Oct 07, 20261,171+37
Oct 06, 20261,1340
Oct 05, 20261,134+6
Oct 02, 20261,128No prior observation