Back to Markets

MRK vs UNH

A side-by-side look at MRK and UNH, updated throughout the trading session.

Performance, normalized

Z-scored closes: both paths on one scale, price levels aside.

Loading history…
Live figures are refreshing. Check back in a moment.

MRK vs UNH: how they differ

Merck & Co., Inc. (MRK) and UnitedHealth Group Incorporated (UNH) are both in the Healthcare sector: MRK is classified in Drug Manufacturers - General, UNH in Medical - Healthcare Plans. Both trade on NYSE.

MRK trades about 10.3 million shares a day on average, against 5.4 million for UNH. UNH has the higher beta (0.61 against 0.22 for MRK), meaning it has historically moved more with the broad market. Over the trailing twelve months, MRK paid $3.40 per share in dividends and UNH paid $9.06 per share.

Figures as of October 25, 2026.

The chart Z-score-normalizes each closing series, computing (close − mean) ÷ standard deviation over the window, so both paths share one scale regardless of price level, and correlation is computed on daily returns. Figures update throughout the trading session. Nothing on this page is financial advice.