OITracker Cboe delayed data

Contract OI history

Back to ROST

Dec 18, 2026 EXPIRATION

ROST $230.00 Call

ROST261218C00230000

Latest saved OI135Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ROST $230.00 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. 135670 2026-10-09: 126 OI2026-10-13: 126 OI2026-10-14: 126 OI2026-10-15: 129 OI2026-10-16: 129 OI2026-10-21: 135 OI2026-10-23: 135 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, 2026Viewing1350
Oct 21, 2026135+6
Oct 16, 20261290
Oct 15, 2026129+3
Oct 14, 20261260
Oct 13, 20261260
Oct 09, 2026126No prior observation