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Contract OI history

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Mar 19, 2027 EXPIRATION

BETR $12.50 Put

BETR270319P00012500

Latest saved OI3,257Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BETR $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. 3,2571,6280 2026-10-08: 8 OI2026-10-09: 8 OI2026-10-13: 8 OI2026-10-14: 8 OI2026-10-16: 8 OI2026-10-21: 3,247 OI2026-10-23: 3,257 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BETR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,257+10
Oct 21, 20263,247+3,239
Oct 16, 202680
Oct 14, 202680
Oct 13, 202680
Oct 09, 202680
Oct 08, 20268No prior observation