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Contract OI history

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Nov 20, 2026 EXPIRATION

RARE $12.50 Put

RARE261120P00012500

Latest saved OI2,127Oct 23, 2026
Last change-6vs 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. 2,1331,0660 2026-10-08: 2,105 OI2026-10-09: 2,105 OI2026-10-12: 2,105 OI2026-10-14: 2,118 OI2026-10-16: 2,119 OI2026-10-20: 2,133 OI2026-10-23: 2,127 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, 2026Viewing2,127-6
Oct 20, 20262,133+14
Oct 16, 20262,119+1
Oct 14, 20262,118+13
Oct 12, 20262,1050
Oct 09, 20262,1050
Oct 08, 20262,105No prior observation