Which looks cheaper today: U.S. stocks or emerging markets?
On the current data, U.S. Large Cap has a P/E of 27.00, while Emerging Markets has a P/E of 18.47. On P/E alone, Emerging Markets looks cheaper and U.S. Large Cap looks more expensive.
That comparison is only a starting point. Different markets can have different sector weights, growth expectations, interest-rate sensitivity, currency risk, accounting rules, and ETF methodology.