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Contract OI history

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Jan 15, 2027 EXPIRATION

RARE $17.50 Put

RARE270115P00017500

Latest saved OI50Oct 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 $17.50 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. 50250 2026-10-08: 50 OI2026-10-09: 50 OI2026-10-12: 50 OI2026-10-14: 50 OI2026-10-16: 50 OI2026-10-20: 50 OI2026-10-23: 50 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, 2026Viewing500
Oct 20, 2026500
Oct 16, 2026500
Oct 14, 2026500
Oct 12, 2026500
Oct 09, 2026500
Oct 08, 202650No prior observation