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Contract OI history

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Jan 21, 2028 EXPIRATION

CI $270.00 Call

CI280121C00270000

Latest saved OI442Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CI $270.00 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. 4432210 2026-10-02: 441 OI2026-10-05: 443 OI2026-10-06: 443 OI2026-10-07: 443 OI2026-10-08: 443 OI2026-10-09: 443 OI2026-10-13: 443 OI2026-10-14: 443 OI2026-10-15: 442 OI2026-10-16: 442 OI2026-10-21: 442 OI2026-10-23: 442 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, 2026Viewing4420
Oct 21, 20264420
Oct 16, 20264420
Oct 15, 2026442-1
Oct 14, 20264430
Oct 13, 20264430
Oct 09, 20264430
Oct 08, 20264430
Oct 07, 20264430
Oct 06, 20264430
Oct 05, 2026443+2
Oct 02, 2026441No prior observation