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Contract OI history

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Dec 18, 2026 EXPIRATION

PRAX $350.00 Call

PRAX261218C00350000

Latest saved OI975Oct 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 $350.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 9994990 2026-10-09: 789 OI2026-10-13: 995 OI2026-10-15: 997 OI2026-10-16: 999 OI2026-10-20: 975 OI2026-10-23: 975 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, 2026Viewing9750
Oct 20, 2026975-24
Oct 16, 2026999+2
Oct 15, 2026997+2
Oct 13, 2026995+206
Oct 09, 2026789No prior observation