Which order books does Markov read?
The best bid and best ask set the spread, and the depth behind them is the resting liquidity. Markov reads the Hyperliquid order book for every chart, and adds two CEX books to Liquidity ahead on Pro, and a third CEX book and Lighter on Elite.
BTC order book walls, live → All markets →
The data sources page says how every number is made, with its limits. Markov provides research tools and education, not financial advice.