Bybit updates Open Interest calculation
Analysis based on 8 articles · First reported May 28, 2026 · Last updated May 28, 2026
The market impact is generally positive for transparency in the cryptocurrency derivatives sector. While displayed Open Interest figures on Bybit will appear lower, this is solely due to a change in calculation methodology and does not affect traders' actual positions or risk exposure. This move by Bybit aligns its reporting with global derivatives markets, potentially increasing trust and comparability.
Bybit, the world's second-largest cryptocurrency exchange, announced an update to its Open Interest (OI) calculation methodology, effective June 11, 2026. The exchange will transition from bilateral (dual-sided) OI counting to unilateral (single-counted) OI measurement, aligning its reporting with common practices in global derivatives markets. This change will cause displayed OI figures to appear lower, potentially by approximately 50%, but will not affect traders' actual positions, limits, margin requirements, or risk exposure. The update aims to enhance transparency and improve comparability across crypto derivatives platforms, providing a more accurate representation of market positioning. Bybit will update its platform and API to reflect these changes, introducing new fields for unilateral open interest values, including those in United States.
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