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Contract OI history

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Dec 18, 2026 EXPIRATION

PPTA $20.00 Put

PPTA261218P00020000

Latest saved OI1,104Oct 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. 1,1045520 2026-10-09: 1,088 OI2026-10-13: 1,086 OI2026-10-14: 1,089 OI2026-10-16: 1,104 OI2026-10-20: 1,104 OI2026-10-23: 1,104 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, 2026Viewing1,1040
Oct 20, 20261,1040
Oct 16, 20261,104+15
Oct 14, 20261,089+3
Oct 13, 20261,086-2
Oct 09, 20261,088No prior observation