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Contract OI history

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Jan 15, 2027 EXPIRATION

PPTA $17.50 Call

PPTA270115C00017500

Latest saved OI901Oct 23, 2026
Last change+65vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PPTA $17.50 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 9014500 2026-10-09: 808 OI2026-10-13: 806 OI2026-10-14: 826 OI2026-10-16: 836 OI2026-10-20: 836 OI2026-10-23: 901 OI Oct 09, 2026Oct 23, 2026

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

PPTA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing901+65
Oct 20, 20268360
Oct 16, 2026836+10
Oct 14, 2026826+20
Oct 13, 2026806-2
Oct 09, 2026808No prior observation