OITracker Cboe delayed data

Contract OI history

Back to RARE

Feb 19, 2027 EXPIRATION

RARE $12.50 Call

RARE270219C00012500

Latest saved OI127Oct 23, 2026
Last change-9vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
RARE $12.50 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. 158790 2026-10-08: 158 OI2026-10-09: 137 OI2026-10-12: 137 OI2026-10-14: 137 OI2026-10-16: 137 OI2026-10-20: 136 OI2026-10-23: 127 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, 2026Viewing127-9
Oct 20, 2026136-1
Oct 16, 20261370
Oct 14, 20261370
Oct 12, 20261370
Oct 09, 2026137-21
Oct 08, 2026158No prior observation