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Contract OI history

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Nov 20, 2026 EXPIRATION

PRAX $210.00 Put

PRAX261120P00210000

Latest saved OI144Oct 23, 2026
Last change+1vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PRAX $210.00 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. 144720 2026-10-09: 143 OI2026-10-13: 143 OI2026-10-15: 143 OI2026-10-16: 143 OI2026-10-20: 143 OI2026-10-23: 144 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

PRAX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing144+1
Oct 20, 20261430
Oct 16, 20261430
Oct 15, 20261430
Oct 13, 20261430
Oct 09, 2026143No prior observation