OITracker Cboe delayed data

Contract OI history

Back to RARE

Jan 15, 2027 EXPIRATION

RARE $12.50 Put

RARE270115P00012500

Latest saved OI251Oct 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 $12.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2511250 2026-10-08: 248 OI2026-10-09: 248 OI2026-10-12: 248 OI2026-10-14: 250 OI2026-10-16: 250 OI2026-10-20: 250 OI2026-10-23: 251 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, 2026Viewing251+1
Oct 20, 20262500
Oct 16, 20262500
Oct 14, 2026250+2
Oct 12, 20262480
Oct 09, 20262480
Oct 08, 2026248No prior observation