This article is not just a guide to analyzing central bank balance sheets. It is an in-depth exploration of how to build a system that, like an alchemical cauldron, transforms raw liquidity data into golden forecasts of currency pair movements. We will combine information from the US Federal Reserve (Fed), the European Central Bank (ECB), the Bank of Japan (BOJ) and the People's Bank of China (PBoC) to create a composite index of global liquidity. We will explore how machine learning and ...