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Contract OI history

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Dec 18, 2026 EXPIRATION

UPBD $17.50 Call

UPBD261218C00017500

Latest saved OI235Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
UPBD $17.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2351170 2026-10-08: 168 OI2026-10-09: 179 OI2026-10-13: 199 OI2026-10-14: 199 OI2026-10-16: 199 OI2026-10-21: 234 OI2026-10-23: 235 OI Oct 08, 2026Oct 23, 2026

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

UPBD contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing235+1
Oct 21, 2026234+35
Oct 16, 20261990
Oct 14, 20261990
Oct 13, 2026199+20
Oct 09, 2026179+11
Oct 08, 2026168No prior observation