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Contract OI history

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Jan 15, 2027 EXPIRATION

BTBT $1.50 Put

BTBT270115P00001500

Latest saved OI5,121Oct 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. 5,1212,5600 2026-10-09: 4,157 OI2026-10-13: 4,233 OI2026-10-14: 4,233 OI2026-10-15: 4,245 OI2026-10-16: 5,092 OI2026-10-21: 5,121 OI2026-10-23: 5,121 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, 2026Viewing5,1210
Oct 21, 20265,121+29
Oct 16, 20265,092+847
Oct 15, 20264,245+12
Oct 14, 20264,2330
Oct 13, 20264,233+76
Oct 09, 20264,157No prior observation