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Contract OI history

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Nov 20, 2026 EXPIRATION

BTBT $1.50 Put

BTBT261120P00001500

Latest saved OI2,615Oct 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 $1.50 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. 2,6371,3180 2026-10-09: 2,510 OI2026-10-13: 2,631 OI2026-10-14: 2,631 OI2026-10-15: 2,623 OI2026-10-16: 2,637 OI2026-10-21: 2,615 OI2026-10-23: 2,615 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, 2026Viewing2,6150
Oct 21, 20262,615-22
Oct 16, 20262,637+14
Oct 15, 20262,623-8
Oct 14, 20262,6310
Oct 13, 20262,631+121
Oct 09, 20262,510No prior observation