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Contract OI history

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Feb 19, 2027 EXPIRATION

BTBT $500.00 Call

BTBT270219C00000500

Latest saved OI80Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BTBT $500.00 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. 80400 2026-10-09: 41 OI2026-10-13: 41 OI2026-10-14: 41 OI2026-10-15: 41 OI2026-10-16: 71 OI2026-10-21: 79 OI2026-10-23: 80 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, 2026Viewing80+1
Oct 21, 202679+8
Oct 16, 202671+30
Oct 15, 2026410
Oct 14, 2026410
Oct 13, 2026410
Oct 09, 202641No prior observation