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Contract OI history

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Dec 18, 2026 EXPIRATION

PPTA $17.50 Call

PPTA261218C00017500

Latest saved OI130Oct 23, 2026
Last change-9vs 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. 139690 2026-10-09: 106 OI2026-10-13: 106 OI2026-10-14: 106 OI2026-10-16: 127 OI2026-10-20: 139 OI2026-10-23: 130 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, 2026Viewing130-9
Oct 20, 2026139+12
Oct 16, 2026127+21
Oct 14, 20261060
Oct 13, 20261060
Oct 09, 2026106No prior observation