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Contract OI history

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Mar 19, 2027 EXPIRATION

BLLN $50.00 Call

BLLN270319C00050000

Latest saved OI98Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BLLN $50.00 call open interest history 6 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 99490 2026-10-08: 97 OI2026-10-13: 99 OI2026-10-14: 99 OI2026-10-16: 98 OI2026-10-20: 98 OI2026-10-23: 98 OI Oct 08, 2026Oct 23, 2026

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

BLLN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing980
Oct 20, 2026980
Oct 16, 202698-1
Oct 14, 2026990
Oct 13, 202699+2
Oct 08, 202697No prior observation