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Contract OI history

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Nov 20, 2026 EXPIRATION

BETR $7.50 Put

BETR261120P00007500

Latest saved OI413Oct 23, 2026
Last change-593vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BETR $7.50 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. 1,0065030 2026-10-08: 111 OI2026-10-09: 727 OI2026-10-13: 736 OI2026-10-14: 741 OI2026-10-16: 929 OI2026-10-21: 1,006 OI2026-10-23: 413 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, 2026Viewing413-593
Oct 21, 20261,006+77
Oct 16, 2026929+188
Oct 14, 2026741+5
Oct 13, 2026736+9
Oct 09, 2026727+616
Oct 08, 2026111No prior observation