The assessment is "likely_true" with high confidence based on a strong consensus across multiple high-authority and highly relevant sources. There is no significant contradictory evidence presented.The most credible sources directly support the statement. A research report from CoinDesk, a major crypto analysis firm, explicitly notes Solana's leadership in DEX trading volume, referencing a quarterly (three-month) performance period. This is corroborated by a Yahoo Finance article, which reports that Solana's decentralized exchanges out-traded major centralized exchanges and provides a specific example of a single Solana DEX clearing over $100 billion in monthly volume for three months. Furthermore, primary data platforms like Messari are cited as providing the raw data to directly verify this comparison.Additional corroboration comes from multiple industry-specific news outlets. A Phemex news report has a headline that directly mirrors the claim: "Solana's On-Chain Volume Outpaces Binance and Bybit for Three Months." Similarly, a news article from the MEXC exchange states that this trend has continued for three months in a row. While these sources have slightly lower authority than research firms, their direct and consistent reporting strengthens the claim's credibility.Sources that do not support the claim are either irrelevant or ambiguous. The CoinMarketCap page is irrelevant as it tracks the 24-hour volume for the SOL token, not the total on-chain network trading volume over months. The social media post is irrelevant and lacks authority. The CoinGlass source is too ambiguous to be useful, as its reference to a three-month period appears disconnected from the trading volume claim.In summary, the claim is substantiated by primary data providers, top-tier research firms, and multiple news reports, with no conflicting evidence found among the relevant sources.