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Contract OI history

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Jan 21, 2028 EXPIRATION

PPTA $20.00 Put

PPTA280121P00020000

Latest saved OI234Oct 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 $20.00 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. 2551270 2026-10-09: 255 OI2026-10-13: 255 OI2026-10-14: 255 OI2026-10-16: 234 OI2026-10-20: 234 OI2026-10-23: 234 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, 2026Viewing2340
Oct 20, 20262340
Oct 16, 2026234-21
Oct 14, 20262550
Oct 13, 20262550
Oct 09, 2026255No prior observation