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Contract OI history

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Jan 21, 2028 EXPIRATION

BTBT $5.50 Call

BTBT280121C00005500

Latest saved OI14,047Oct 23, 2026
Last change+79vs 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. 14,0677,0330 2026-10-09: 11,980 OI2026-10-13: 14,067 OI2026-10-14: 14,067 OI2026-10-15: 13,929 OI2026-10-16: 13,933 OI2026-10-21: 13,968 OI2026-10-23: 14,047 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, 2026Viewing14,047+79
Oct 21, 202613,968+35
Oct 16, 202613,933+4
Oct 15, 202613,929-138
Oct 14, 202614,0670
Oct 13, 202614,067+2,087
Oct 09, 202611,980No prior observation