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Contract OI history

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Dec 15, 2028 EXPIRATION

ACH $500.00 Call

ACH281215C00000500

Latest saved OI489Oct 20, 2026
Last change+10vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACH $500.00 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. 4892440 2026-10-02: 36 OI2026-10-05: 36 OI2026-10-06: 38 OI2026-10-07: 38 OI2026-10-08: 38 OI2026-10-09: 306 OI2026-10-13: 400 OI2026-10-14: 404 OI2026-10-16: 479 OI2026-10-20: 489 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, 2026Viewing489+10
Oct 16, 2026479+75
Oct 14, 2026404+4
Oct 13, 2026400+94
Oct 09, 2026306+268
Oct 08, 2026380
Oct 07, 2026380
Oct 06, 202638+2
Oct 05, 2026360
Oct 02, 202636No prior observation