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Contract OI history

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May 21, 2027 EXPIRATION

BULL $10.00 Call

BULL270521C00010000

Latest saved OI1,585Oct 23, 2026
Last change+22vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BULL $10.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,5857920 2026-10-09: 936 OI2026-10-13: 949 OI2026-10-14: 949 OI2026-10-15: 946 OI2026-10-16: 948 OI2026-10-21: 1,563 OI2026-10-23: 1,585 OI Oct 09, 2026Oct 23, 2026

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

BULL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,585+22
Oct 21, 20261,563+615
Oct 16, 2026948+2
Oct 15, 2026946-3
Oct 14, 20269490
Oct 13, 2026949+13
Oct 09, 2026936No prior observation