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Contract OI history

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Feb 19, 2027 EXPIRATION

RARE $17.50 Put

RARE270219P00017500

Latest saved OI1,139Oct 23, 2026
Last change+38vs 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. 1,1395690 2026-10-08: 1,118 OI2026-10-09: 1,091 OI2026-10-12: 1,106 OI2026-10-14: 1,107 OI2026-10-16: 1,101 OI2026-10-20: 1,101 OI2026-10-23: 1,139 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, 2026Viewing1,139+38
Oct 20, 20261,1010
Oct 16, 20261,101-6
Oct 14, 20261,107+1
Oct 12, 20261,106+15
Oct 09, 20261,091-27
Oct 08, 20261,118No prior observation