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Contract OI history

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Nov 20, 2026 EXPIRATION

PRAX $380.00 Call

PRAX261120C00380000

Latest saved OI86Oct 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 $380.00 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. 87430 2026-10-09: 15 OI2026-10-13: 35 OI2026-10-15: 36 OI2026-10-16: 36 OI2026-10-20: 87 OI2026-10-23: 86 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, 2026Viewing86-1
Oct 20, 202687+51
Oct 16, 2026360
Oct 15, 202636+1
Oct 13, 202635+20
Oct 09, 202615No prior observation