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Contract OI history

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Nov 20, 2026 EXPIRATION

BLDP $1.50 Call

BLDP261120C00001500

Latest saved OI491Oct 23, 2026
Last change+30vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BLDP $1.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 4912450 2026-10-08: 382 OI2026-10-09: 382 OI2026-10-13: 382 OI2026-10-14: 382 OI2026-10-16: 382 OI2026-10-20: 461 OI2026-10-23: 491 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BLDP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing491+30
Oct 20, 2026461+79
Oct 16, 20263820
Oct 14, 20263820
Oct 13, 20263820
Oct 09, 20263820
Oct 08, 2026382No prior observation