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Contract OI history

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Jan 21, 2028 EXPIRATION

BULL $12.50 Call

BULL280121C00012500

Latest saved OI38,357Oct 23, 2026
Last change-134vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BULL $12.50 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. 38,49119,2450 2026-10-09: 37,974 OI2026-10-13: 37,976 OI2026-10-14: 37,976 OI2026-10-15: 37,984 OI2026-10-16: 38,154 OI2026-10-21: 38,491 OI2026-10-23: 38,357 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, 2026Viewing38,357-134
Oct 21, 202638,491+337
Oct 16, 202638,154+170
Oct 15, 202637,984+8
Oct 14, 202637,9760
Oct 13, 202637,976+2
Oct 09, 202637,974No prior observation