Moody’svs.MSCI
MCO vs MSCI · both in Exchanges & market data, part of the Banks, payments & capital markets value chain: The exchanges, index owners and ratings agencies that run, and price, the markets.
Moody’s is about 2.0× larger than MSCI by market cap.
Side by side
| MCO | MSCI | |
|---|---|---|
| Market cap | $83.2B | $40.6B |
| Price | $514.55 | $564.22 |
| Today | +0.3% | +0.0% |
| Return YTD | +0.4% | −1.7% |
| Return 1Y | +0.6% | −1.7% |
| P/E | 29.8 | 29.9 |
| P/S | 10.2 | 12.2 |
| P/B | 27.5 | 107.4 |
Data as of 2026-08-27 · updates daily after U.S. close
The two companies
Moody’sMCO
When a company borrows, Moody's rates the debt; it and S&P split that market between them. A faster-growing analytics arm sells risk and modelling tools to the same customers.
Full MCO profile →MSCIMSCI
ETFs and index funds track MSCI's global equity benchmarks and pay to do so. ESG, climate and portfolio-analytics data has grown quickly on top of that, sold much like a subscription.
Full MSCI profile →More MCO & MSCI comparisons
Other head-to-heads in the Exchanges & market data segment.
See where MCO and MSCI sit in the full Banks, payments & capital markets map: every segment from suppliers to end markets.Open the Finance value chain →