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Contract OI history

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Jan 15, 2027 EXPIRATION

ROOT $75.00 Put

ROOT270115P00075000

Latest saved OI24Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ROOT $75.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 24120 2026-10-09: 24 OI2026-10-13: 24 OI2026-10-14: 24 OI2026-10-15: 24 OI2026-10-16: 24 OI2026-10-21: 24 OI2026-10-23: 24 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, 2026Viewing240
Oct 21, 2026240
Oct 16, 2026240
Oct 15, 2026240
Oct 14, 2026240
Oct 13, 2026240
Oct 09, 202624No prior observation