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Contract OI history

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Jan 21, 2028 EXPIRATION

BTBT $500.00 Call

BTBT280121C00000500

Latest saved OI2,302Oct 23, 2026
Last change+7vs 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. 2,3021,1510 2026-10-09: 1,742 OI2026-10-13: 1,858 OI2026-10-14: 1,858 OI2026-10-15: 1,887 OI2026-10-16: 1,945 OI2026-10-21: 2,295 OI2026-10-23: 2,302 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, 2026Viewing2,302+7
Oct 21, 20262,295+350
Oct 16, 20261,945+58
Oct 15, 20261,887+29
Oct 14, 20261,8580
Oct 13, 20261,858+116
Oct 09, 20261,742No prior observation