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Contract OI history

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Jan 15, 2027 EXPIRATION

PPTA $20.00 Put

PPTA270115P00020000

Latest saved OI1,490Oct 23, 2026
Last change+11vs 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. 1,4907450 2026-10-09: 1,451 OI2026-10-13: 1,454 OI2026-10-14: 1,454 OI2026-10-16: 1,454 OI2026-10-20: 1,479 OI2026-10-23: 1,490 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, 2026Viewing1,490+11
Oct 20, 20261,479+25
Oct 16, 20261,4540
Oct 14, 20261,4540
Oct 13, 20261,454+3
Oct 09, 20261,451No prior observation