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Contract OI history

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Jan 15, 2027 EXPIRATION

ROST $210.00 Call

ROST270115C00210000

Latest saved OI172Oct 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
ROST $210.00 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. 172860 2026-10-09: 166 OI2026-10-13: 171 OI2026-10-14: 171 OI2026-10-15: 171 OI2026-10-16: 171 OI2026-10-21: 171 OI2026-10-23: 172 OI Oct 09, 2026Oct 23, 2026

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

ROST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026172+1
Oct 21, 2026Viewing1710
Oct 16, 20261710
Oct 15, 20261710
Oct 14, 20261710
Oct 13, 2026171+5
Oct 09, 2026166No prior observation