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Contract OI history

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Jan 15, 2027 EXPIRATION

OPCH $32.50 Call

OPCH270115C00032500

Latest saved OI8,094Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OPCH $32.50 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. 11,2395,6190 2026-10-09: 11,239 OI2026-10-13: 7,079 OI2026-10-14: 7,079 OI2026-10-15: 8,083 OI2026-10-16: 8,083 OI2026-10-21: 8,093 OI2026-10-23: 8,094 OI Oct 09, 2026Oct 23, 2026

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

OPCH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing8,094+1
Oct 21, 20268,093+10
Oct 16, 20268,0830
Oct 15, 20268,083+1,004
Oct 14, 20267,0790
Oct 13, 20267,079-4,160
Oct 09, 202611,239No prior observation