According to @tradeparadex, Paradex has reached a 300 million dollar open interest milestone on October 7, 2025, marking a notable expansion of derivatives activity on the platform, source: Paradex on X, Oct 7, 2025. Open interest tracks the number of outstanding derivative contracts, and rising OI typically reflects increased participation and liquidity in futures markets, source: Binance Academy education on open interest. For traders, elevated OI can reinforce trend strength when aligned with price and volume but also indicates more crowded positioning that can unwind quickly during volatility, source: CME Group education on open interest.