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Contract OI history

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Oct 30, 2026 EXPIRATION

BTBT $1.50 Put

BTBT261030P00001500

Latest saved OI200Oct 23, 2026
Last change-8vs 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. 2601300 2026-10-09: 228 OI2026-10-13: 255 OI2026-10-14: 255 OI2026-10-15: 260 OI2026-10-16: 260 OI2026-10-21: 208 OI2026-10-23: 200 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, 2026Viewing200-8
Oct 21, 2026208-52
Oct 16, 20262600
Oct 15, 2026260+5
Oct 14, 20262550
Oct 13, 2026255+27
Oct 09, 2026228No prior observation