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Contract OI history

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Jan 19, 2029 EXPIRATION

PPTA $17.50 Put

PPTA290119P00017500

Latest saved OI74Oct 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 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 74370 2026-10-09: 0 OI2026-10-13: 0 OI2026-10-14: 0 OI2026-10-16: 74 OI2026-10-20: 74 OI2026-10-23: 74 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, 2026Viewing740
Oct 20, 2026740
Oct 16, 202674+74
Oct 14, 202600
Oct 13, 202600
Oct 09, 20260No prior observation