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Contract OI history

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Feb 19, 2027 EXPIRATION

PRAX $350.00 Call

PRAX270219C00350000

Latest saved OI1,055Oct 23, 2026
Last change+4vs 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. 1,0555270 2026-10-09: 887 OI2026-10-13: 889 OI2026-10-15: 894 OI2026-10-16: 974 OI2026-10-20: 1,051 OI2026-10-23: 1,055 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, 2026Viewing1,055+4
Oct 20, 20261,051+77
Oct 16, 2026974+80
Oct 15, 2026894+5
Oct 13, 2026889+2
Oct 09, 2026887No prior observation