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Contract OI history

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Jan 15, 2027 EXPIRATION

BTBT $5.50 Call

BTBT270115C00005500

Latest saved OI4,592Oct 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 $5.50 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. 4,5982,2990 2026-10-09: 4,587 OI2026-10-13: 4,598 OI2026-10-14: 4,598 OI2026-10-15: 4,596 OI2026-10-16: 4,593 OI2026-10-21: 4,592 OI2026-10-23: 4,592 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, 2026Viewing4,5920
Oct 21, 20264,592-1
Oct 16, 20264,593-3
Oct 15, 20264,596-2
Oct 14, 20264,5980
Oct 13, 20264,598+11
Oct 09, 20264,587No prior observation