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Contract OI history

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Nov 20, 2026 EXPIRATION

ROST $250.00 Call

ROST261120C00250000

Latest saved OI918Oct 23, 2026
Last change+63vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ROST $250.00 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. 9184590 2026-10-09: 331 OI2026-10-13: 338 OI2026-10-14: 338 OI2026-10-15: 804 OI2026-10-16: 830 OI2026-10-21: 855 OI2026-10-23: 918 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, 2026Viewing918+63
Oct 21, 2026855+25
Oct 16, 2026830+26
Oct 15, 2026804+466
Oct 14, 20263380
Oct 13, 2026338+7
Oct 09, 2026331No prior observation