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Contract OI history

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Feb 19, 2027 EXPIRATION

BTBT $3.50 Call

BTBT270219C00003500

Latest saved OI142Oct 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 $3.50 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. 146730 2026-10-09: 146 OI2026-10-13: 146 OI2026-10-14: 146 OI2026-10-15: 143 OI2026-10-16: 143 OI2026-10-21: 143 OI2026-10-23: 142 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, 2026Viewing142-1
Oct 21, 20261430
Oct 16, 20261430
Oct 15, 2026143-3
Oct 14, 20261460
Oct 13, 20261460
Oct 09, 2026146No prior observation