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Contract OI history

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May 21, 2027 EXPIRATION

BTBT $2.00 Put

BTBT270521P00002000

Latest saved OI82Oct 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 $2.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 100500 2026-10-09: 85 OI2026-10-13: 86 OI2026-10-14: 86 OI2026-10-15: 86 OI2026-10-16: 100 OI2026-10-21: 82 OI2026-10-23: 82 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, 2026Viewing820
Oct 21, 202682-18
Oct 16, 2026100+14
Oct 15, 2026860
Oct 14, 2026860
Oct 13, 202686+1
Oct 09, 202685No prior observation