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Contract OI history

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May 21, 2027 EXPIRATION

ADP $400.00 Call

ADP270521C00400000

Latest saved OI6Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ADP $400.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 630 2026-10-09: 2 OI2026-10-13: 3 OI2026-10-14: 3 OI2026-10-15: 3 OI2026-10-16: 3 OI2026-10-21: 4 OI2026-10-23: 6 OI Oct 09, 2026Oct 23, 2026

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

ADP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6+2
Oct 21, 20264+1
Oct 16, 202630
Oct 15, 202630
Oct 14, 202630
Oct 13, 20263+1
Oct 09, 20262No prior observation