Stock vs Stock Comparison

Merck & Co., Inc. vs UnitedHealth Group Incorporated

MRK wins the Tale of the Tape 5–4.

MRK$115.65
UNH$377.92

🏆 Tale of the Tape

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MRKUNH
28.1%Profitability (Net Margin)2.7%
33.4xValuation (P/E)28.7x
16.3%Efficiency (ROIC)7.6%
4/9Health (Piotroski F)6/9
4.0Safety (Altman Z)2.8
1.3%Growth (Rev YoY)11.8%
1.43Risk (Sharpe 1Y)-0.96
1.60xBalance Sheet (D/E)2.04x
3.72%FCF Yield4.96%

Green = winner in each category. Higher is better except P/E (lower = cheaper).

Rolling Correlation

0.164
252-Day Correlation
0.106
126-Day Correlation

Low correlation — excellent diversification pair.

Fundamentals

MetricMRKUNH
Market Cap$293.2B$345.4B
P/E Ratio33.4x28.7x
Forward P/E12.4x18.2x
P/B6.39x3.53x
Dividend Yield2.86%2.32%
Beta0.200.65

Quantitative Metrics

MetricMRKUNH
DCF Fair Value$96.93$250.41
DCF Upside-19.3%-20.0%
Piotroski F4/96/9
Altman Z4.042.78
Beneish M-2.27-2.42
FCF Yield3.72%4.96%
Net Debt/EBITDA1.1x2.1x
ROIC16.3%7.6%
WACC7.4%7.2%
ROIC – WACC8.9pp0.4pp
Gross Margin74.8%18.5%
Net Margin28.1%2.7%
Rev Growth YoY1.3%11.8%
Sharpe (1Y)1.43-0.96
Max Drawdown 3Y
FCF Payout Ratio66%49%

MRK Price

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UNH Price

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ETF Exposure

MRK found in:

XLV5.37%
IYH4.97%
VHT4.39%
SCHD4.24%
XPH1.82%
MOAT1.52%
DIA1.42%
MGV1.34%
QUS1.24%
VIG1.22%
DVY1.22%
VYM1.13%
VTV1.05%
SCHV1.04%
DGRW1.03%
SPYV1.00%
IWD0.98%
VONV0.83%
VFVA0.72%
ESGV0.60%
SCHX0.49%
SCHB0.46%
SPY0.45%
IVV0.45%
VOO0.44%
VFMO0.44%
SPTM0.42%
VONE0.41%
ITOT0.39%
VTI0.39%
SPLG0.37%
URTH0.36%
ACWI0.29%
VT0.24%
RSP0.22%
ONEO0.12%
VGK0.11%
SPDW0.06%
VSGX0.06%
CWI0.06%
VEA0.05%
VXUS0.04%
VEU0.04%

UNH found in:

XLV6.47%
IYH6.18%
VHT5.43%
DIA4.68%
DGRW2.47%
XHS2.41%
DGRO2.31%
MGV1.66%
VIG1.51%
VYM1.40%
VTV1.31%
QUS1.22%
SPYV1.20%
VONV1.03%
SCHG1.01%
IWD0.81%
VFVA0.63%
SPLG0.55%
SPY0.54%
VOO0.54%
IVV0.51%
VONE0.51%
SPTM0.50%
ESGV0.50%
VTI0.48%
ITOT0.45%
SCHX0.43%
SCHB0.40%
URTH0.31%
VT0.30%
ACWI0.27%
RSP0.17%
ONEO0.02%

More Comparisons

Quant metrics computed from financial statements and 1,200+ trading days. Correlation is Pearson coefficient on daily log returns. Not investment advice.

MRK vs UNH: Head-to-Head Analysis

Merck & Co., Inc. (MRK) and UnitedHealth Group Incorporated (UNH) represent two companies in the Healthcare sector. In our quantitative Tale of the Tape scoring, MRK leads 5–4 across nine fundamental and risk metrics including profitability, valuation, capital efficiency, and financial health.

In terms of capital efficiency, MRK generates a return on invested capital (ROIC) of 16.3% compared to UNH's 7.6%. This suggests MRK is more effective at deploying capital to generate shareholder returns.

The 252-day rolling correlation between MRK and UNH is 0.164, indicating low correlation, making them an effective diversification pair in a portfolio context.

MRK appears in 43 ETFs tracked by SecuritiesDB, while UNH appears in 33 ETFs. Investors holding broad-market ETFs may already have indirect exposure to both stocks.

Frequently Asked Questions

Which stock is the better investment, MRK or UNH?

Our quantitative analysis compares MRK and UNH across nine fundamental dimensions. MRK wins the Tale of the Tape 5–4. However, stock selection depends on your individual risk tolerance, time horizon, and portfolio context. These metrics are computed from SEC filings and market data — they are not investment recommendations.

Are MRK and UNH correlated?

The 252-day correlation between MRK and UNH is 0.164. They have low correlation, offering good diversification.

How is the Tale of the Tape scored?

The Tale of the Tape compares both stocks across nine categories: profitability (net margin), valuation (P/E), efficiency (ROIC), health (Piotroski F-Score), safety (Altman Z-Score), growth (revenue YoY), risk (Sharpe ratio), leverage (debt-to-equity), and cash generation (FCF yield). The stock that wins more categories takes the overall score. Lower P/E and lower debt-to-equity count as wins.