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Contract OI history

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Oct 30, 2026 EXPIRATION

BULL $5.50 Put

BULL261030P00005500

Latest saved OI1,457Oct 23, 2026
Last change+314vs 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. 1,4577280 2026-10-09: 311 OI2026-10-13: 402 OI2026-10-14: 402 OI2026-10-15: 400 OI2026-10-16: 401 OI2026-10-21: 1,143 OI2026-10-23: 1,457 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, 2026Viewing1,457+314
Oct 21, 20261,143+742
Oct 16, 2026401+1
Oct 15, 2026400-2
Oct 14, 20264020
Oct 13, 2026402+91
Oct 09, 2026311No prior observation