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Contract OI history

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Jan 21, 2028 EXPIRATION

RARE $22.50 Put

RARE280121P00022500

Latest saved OI1,062Oct 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 $22.50 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. 1,0625310 2026-10-08: 1,062 OI2026-10-09: 1,062 OI2026-10-12: 1,062 OI2026-10-14: 1,062 OI2026-10-16: 1,062 OI2026-10-20: 1,062 OI2026-10-23: 1,062 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, 2026Viewing1,0620
Oct 20, 20261,0620
Oct 16, 20261,0620
Oct 14, 20261,0620
Oct 12, 20261,0620
Oct 09, 20261,0620
Oct 08, 20261,062No prior observation