Hyperliquid has seen its open interest (OI) grow to approximately 20.7% of Binance's OI, reflecting a significant increase in market share relative to the major exchange. In contrast, Lighter maintains a much smaller footprint, with its OI representing less than 10% of Hyperliquid's total. The provided chart illustrates this steady upward trend in Hyperliquid's OI relative to Binance from late 2023 through June 2024.