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Contract OI history

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Oct 23, 2026 EXPIRATION

BULL $5.50 Put

BULL261023P00005500

Latest saved OI5,537Oct 23, 2026
Last change+30vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BULL $5.50 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. 5,5372,7680 2026-10-09: 993 OI2026-10-13: 1,039 OI2026-10-14: 1,039 OI2026-10-15: 1,077 OI2026-10-16: 1,082 OI2026-10-21: 5,507 OI2026-10-23: 5,537 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, 2026Viewing5,537+30
Oct 21, 20265,507+4,425
Oct 16, 20261,082+5
Oct 15, 20261,077+38
Oct 14, 20261,0390
Oct 13, 20261,039+46
Oct 09, 2026993No prior observation