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Contract OI history

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Jan 15, 2027 EXPIRATION

BULL $17.50 Call

BULL270115C00017500

Latest saved OI21,501Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BULL $17.50 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. 21,50110,7500 2026-10-09: 21,261 OI2026-10-13: 21,260 OI2026-10-14: 21,260 OI2026-10-15: 21,310 OI2026-10-16: 21,408 OI2026-10-21: 21,501 OI2026-10-23: 21,501 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, 2026Viewing21,5010
Oct 21, 202621,501+93
Oct 16, 202621,408+98
Oct 15, 202621,310+50
Oct 14, 202621,2600
Oct 13, 202621,260-1
Oct 09, 202621,261No prior observation