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Contract OI history

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Dec 18, 2026 EXPIRATION

PRAX $250.00 Put

PRAX261218P00250000

Latest saved OI113Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PRAX $250.00 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. 113560 2026-10-09: 113 OI2026-10-13: 113 OI2026-10-15: 113 OI2026-10-16: 113 OI2026-10-20: 113 OI2026-10-23: 113 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, 2026Viewing1130
Oct 20, 20261130
Oct 16, 20261130
Oct 15, 20261130
Oct 13, 20261130
Oct 09, 2026113No prior observation