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Contract OI history

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Jan 15, 2027 EXPIRATION

ROOT $55.00 Call

ROOT270115C00055000

Latest saved OI123Oct 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
ROOT $55.00 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. 125620 2026-10-09: 125 OI2026-10-13: 125 OI2026-10-14: 125 OI2026-10-15: 125 OI2026-10-16: 124 OI2026-10-21: 124 OI2026-10-23: 123 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, 2026Viewing123-1
Oct 21, 20261240
Oct 16, 2026124-1
Oct 15, 20261250
Oct 14, 20261250
Oct 13, 20261250
Oct 09, 2026125No prior observation