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Contract OI history

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Feb 19, 2027 EXPIRATION

RARE $12.50 Put

RARE270219P00012500

Latest saved OI285Oct 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. 2851420 2026-10-08: 247 OI2026-10-09: 248 OI2026-10-12: 283 OI2026-10-14: 283 OI2026-10-16: 283 OI2026-10-20: 284 OI2026-10-23: 285 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, 2026Viewing285+1
Oct 20, 2026284+1
Oct 16, 20262830
Oct 14, 20262830
Oct 12, 2026283+35
Oct 09, 2026248+1
Oct 08, 2026247No prior observation