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Contract OI history

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Jan 21, 2028 EXPIRATION

RARE $12.50 Put

RARE280121P00012500

Latest saved OI470Oct 23, 2026
Last change0vs 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. 4762380 2026-10-08: 476 OI2026-10-09: 476 OI2026-10-12: 476 OI2026-10-14: 476 OI2026-10-16: 470 OI2026-10-20: 470 OI2026-10-23: 470 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, 2026Viewing4700
Oct 20, 20264700
Oct 16, 2026470-6
Oct 14, 20264760
Oct 12, 20264760
Oct 09, 20264760
Oct 08, 2026476No prior observation