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Contract OI history

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Jan 21, 2028 EXPIRATION

ADP $340.00 Call

ADP280121C00340000

Latest saved OI374Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ADP $340.00 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. 3761880 2026-10-09: 375 OI2026-10-13: 375 OI2026-10-14: 375 OI2026-10-15: 376 OI2026-10-16: 375 OI2026-10-21: 375 OI2026-10-23: 374 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, 2026Viewing374-1
Oct 21, 20263750
Oct 16, 2026375-1
Oct 15, 2026376+1
Oct 14, 20263750
Oct 13, 20263750
Oct 09, 2026375No prior observation