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Contract OI history

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Oct 30, 2026 EXPIRATION

ADP $307.50 Call

ADP261030C00307500

Latest saved OI44Oct 23, 2026
Last change+42vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
ADP $307.50 call open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 44220 2026-10-21: 2 OI2026-10-23: 44 OI Oct 21, 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, 2026Viewing44+42
Oct 21, 20262No prior observation