OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

RARE $15.00 Call

RARE280121C00015000

Latest saved OI401Oct 23, 2026
Last change-5vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
RARE $15.00 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. 4252120 2026-10-08: 425 OI2026-10-09: 417 OI2026-10-12: 417 OI2026-10-14: 415 OI2026-10-16: 403 OI2026-10-20: 406 OI2026-10-23: 401 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, 2026Viewing401-5
Oct 20, 2026406+3
Oct 16, 2026403-12
Oct 14, 2026415-2
Oct 12, 20264170
Oct 09, 2026417-8
Oct 08, 2026425No prior observation