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Contract OI history

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Jan 15, 2027 EXPIRATION

RARE $17.50 Call

RARE270115C00017500

Latest saved OI641Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
RARE $17.50 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. 6443220 2026-10-08: 637 OI2026-10-09: 637 OI2026-10-12: 643 OI2026-10-14: 644 OI2026-10-16: 644 OI2026-10-20: 644 OI2026-10-23: 641 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, 2026Viewing641-3
Oct 20, 20266440
Oct 16, 20266440
Oct 14, 2026644+1
Oct 12, 2026643+6
Oct 09, 20266370
Oct 08, 2026637No prior observation