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Contract OI history

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Dec 15, 2028 EXPIRATION

ACH $2.50 Call

ACH281215C00002500

Latest saved OI445Oct 20, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACH $2.50 call open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 4452220 2026-10-02: 445 OI2026-10-05: 445 OI2026-10-06: 445 OI2026-10-07: 445 OI2026-10-08: 445 OI2026-10-09: 445 OI2026-10-13: 445 OI2026-10-14: 445 OI2026-10-16: 445 OI2026-10-20: 445 OI Oct 02, 2026Oct 20, 2026

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

ACH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing4450
Oct 16, 20264450
Oct 14, 20264450
Oct 13, 20264450
Oct 09, 20264450
Oct 08, 20264450
Oct 07, 20264450
Oct 06, 20264450
Oct 05, 20264450
Oct 02, 2026445No prior observation