The same principle drives every liquid market — price hunts liquidity and fills imbalance — but the players wearing the "smart money" hat change. Pick a market to see who really moves it and how their footprint differs.
Universal law across all four: price moves to find liquidity and to fill imbalance. Master the sequence Liquidity Sweep → MSS → FVG / OB and the same read works on AAPL, BTC, EUR/USD, and Gold alike.