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Contract OI history

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Nov 20, 2026 EXPIRATION

BTBT $3.50 Call

BTBT261120C00003500

Latest saved OI1,626Oct 23, 2026
Last change0vs 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. 1,6268130 2026-10-09: 1,597 OI2026-10-13: 1,607 OI2026-10-14: 1,607 OI2026-10-15: 1,607 OI2026-10-16: 1,607 OI2026-10-21: 1,626 OI2026-10-23: 1,626 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, 2026Viewing1,6260
Oct 21, 20261,626+19
Oct 16, 20261,6070
Oct 15, 20261,6070
Oct 14, 20261,6070
Oct 13, 20261,607+10
Oct 09, 20261,597No prior observation