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Contract OI history

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Jan 15, 2027 EXPIRATION

BETR $12.50 Put

BETR270115P00012500

Latest saved OI1,655Oct 23, 2026
Last change+272vs 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. 1,6558270 2026-10-08: 25 OI2026-10-09: 25 OI2026-10-13: 25 OI2026-10-14: 25 OI2026-10-16: 25 OI2026-10-21: 1,383 OI2026-10-23: 1,655 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, 2026Viewing1,655+272
Oct 21, 20261,383+1,358
Oct 16, 2026250
Oct 14, 2026250
Oct 13, 2026250
Oct 09, 2026250
Oct 08, 202625No prior observation