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Contract OI history

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Oct 23, 2026 EXPIRATION

ROST $220.00 Call

ROST261023C00220000

Latest saved OI33Oct 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 $220.00 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. 35170 2026-10-09: 35 OI2026-10-13: 35 OI2026-10-14: 35 OI2026-10-15: 34 OI2026-10-16: 34 OI2026-10-21: 34 OI2026-10-23: 33 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, 202633-1
Oct 21, 2026Viewing340
Oct 16, 2026340
Oct 15, 202634-1
Oct 14, 2026350
Oct 13, 2026350
Oct 09, 202635No prior observation