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Contract OI history

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Jan 21, 2028 EXPIRATION

PPTA $17.50 Call

PPTA280121C00017500

Latest saved OI239Oct 23, 2026
Last change0vs 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. 2391190 2026-10-09: 236 OI2026-10-13: 236 OI2026-10-14: 236 OI2026-10-16: 239 OI2026-10-20: 239 OI2026-10-23: 239 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, 2026Viewing2390
Oct 20, 20262390
Oct 16, 2026239+3
Oct 14, 20262360
Oct 13, 20262360
Oct 09, 2026236No prior observation