OITracker Cboe delayed data

Contract OI history

Back to RARE

Dec 18, 2026 EXPIRATION

RARE $30.00 Call

RARE261218C00030000

Latest saved OI169Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
RARE $30.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 169840 2026-10-08: 169 OI2026-10-09: 168 OI2026-10-12: 168 OI2026-10-14: 168 OI2026-10-16: 168 OI2026-10-20: 168 OI2026-10-23: 169 OI Oct 08, 2026Oct 23, 2026

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

RARE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing169+1
Oct 20, 20261680
Oct 16, 20261680
Oct 14, 20261680
Oct 12, 20261680
Oct 09, 2026168-1
Oct 08, 2026169No prior observation