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Contract OI history

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Feb 19, 2027 EXPIRATION

BTBT $4.00 Call

BTBT270219C00004000

Latest saved OI868Oct 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 $4.00 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. 8684340 2026-10-09: 867 OI2026-10-13: 868 OI2026-10-14: 868 OI2026-10-15: 868 OI2026-10-16: 868 OI2026-10-21: 868 OI2026-10-23: 868 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, 2026Viewing8680
Oct 21, 20268680
Oct 16, 20268680
Oct 15, 20268680
Oct 14, 20268680
Oct 13, 2026868+1
Oct 09, 2026867No prior observation