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Contract OI history

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May 21, 2027 EXPIRATION

BTBT $1000.00 Call

BTBT270521C00001000

Latest saved OI1,226Oct 23, 2026
Last change+320vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BTBT $1000.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,2266130 2026-10-09: 103 OI2026-10-13: 103 OI2026-10-14: 103 OI2026-10-15: 109 OI2026-10-16: 139 OI2026-10-21: 906 OI2026-10-23: 1,226 OI Oct 09, 2026Oct 23, 2026

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

BTBT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,226+320
Oct 21, 2026906+767
Oct 16, 2026139+30
Oct 15, 2026109+6
Oct 14, 20261030
Oct 13, 20261030
Oct 09, 2026103No prior observation