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Contract OI history

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Dec 18, 2026 EXPIRATION

ROOT $50.00 Call

ROOT261218C00050000

Latest saved OI584Oct 23, 2026
Last change+15vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ROOT $50.00 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. 5842920 2026-10-09: 569 OI2026-10-13: 569 OI2026-10-14: 569 OI2026-10-15: 569 OI2026-10-16: 569 OI2026-10-21: 569 OI2026-10-23: 584 OI Oct 09, 2026Oct 23, 2026

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

ROOT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing584+15
Oct 21, 20265690
Oct 16, 20265690
Oct 15, 20265690
Oct 14, 20265690
Oct 13, 20265690
Oct 09, 2026569No prior observation