TL;DR: Moirai is a cutting-edge time series foundation model, offering universal forecasting capabilities. It stands out as a versatile time series forecasting model capable of addressing diverse forecasting tasks across multiple domains, frequencies, and variables in a zero-shot manner.  To achieve this, Moirai tackles four major challenges: (i) construction of a LOTSA, a large-scale and diverse time series dataset, comprising 27 billion observations spanning nine distinct domains, (ii) develop...