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 1.9× larger than MSCI by market cap; year to date, MSCI leads (−2.1% vs −10.2%).
Side by side
| MCO | MSCI | |
|---|---|---|
| Market cap | $80B | $41.1B |
| Price | $464.23 | $565.12 |
| Today | +1.2% | +0.6% |
| Return YTD | −10.2% | −2.1% |
| Return 1Y | −6.4% | −0.9% |
| Since July 13, 2026 | −6.4% | −8.9% |
| P/E | 28.6 | 30.2 |
| P/S | 9.8 | 12.3 |
| P/B | 26.4 | 108.5 |
Data as of 2026-10-09 · updates daily after U.S. close
Since July 13, 2026: the change in the closing price from the first session with a close for both companies. Sectivia records these closes itself, starting June 26, 2026.
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.