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Contract OI history

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Dec 18, 2026 EXPIRATION

BETR $40.00 Call

BETR261218C00040000

Latest saved OI120Oct 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 $40.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 120600 2026-10-08: 110 OI2026-10-09: 110 OI2026-10-13: 110 OI2026-10-14: 110 OI2026-10-16: 110 OI2026-10-21: 110 OI2026-10-23: 120 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, 2026Viewing120+10
Oct 21, 20261100
Oct 16, 20261100
Oct 14, 20261100
Oct 13, 20261100
Oct 09, 20261100
Oct 08, 2026110No prior observation