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Contract OI history

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Jan 21, 2028 EXPIRATION

PRAX $280.00 Call

PRAX280121C00280000

Latest saved OI65Oct 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 $280.00 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. 65320 2026-10-09: 15 OI2026-10-13: 15 OI2026-10-15: 65 OI2026-10-16: 65 OI2026-10-20: 65 OI2026-10-23: 65 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, 2026Viewing650
Oct 20, 2026650
Oct 16, 2026650
Oct 15, 202665+50
Oct 13, 2026150
Oct 09, 202615No prior observation