AOS vs. MED
AOS (A. O. Smith Corporation) and MED (Medifast, Inc.) are both stocks. AOS operates in Specialty Industrial Machinery (Industrials), while MED operates in Personal Services (Consumer Cyclical). Over the past 10 years, AOS returned 5.40%/yr vs -7.29%/yr for MED. At a 0.20 correlation, their price movements are largely independent.
Performance
AOS vs. MED - Performance Comparison
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Returns By Period
In the year-to-date period, AOS achieves a -10.72% return, which is significantly lower than MED's 11.33% return. Over the past 10 years, AOS has outperformed MED with an annualized return of 5.40%, while MED has yielded a comparatively lower -7.29% annualized return.
AOS
- 1D
- 0.72%
- 1M
- 5.48%
- YTD
- -10.72%
- 6M
- -13.11%
- 1Y
- -5.46%
- 3Y*
- -3.46%
- 5Y*
- -1.16%
- 10Y*
- 5.40%
MED
- 1D
- -0.25%
- 1M
- -4.73%
- YTD
- 11.33%
- 6M
- -3.80%
- 1Y
- -8.40%
- 3Y*
- -46.74%
- 5Y*
- -45.89%
- 10Y*
- -7.29%
AOS vs. MED - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AOS A. O. Smith Corporation | -10.72% | 0.07% | -15.92% | 47.30% | -32.07% | 59.28% | 17.46% | 13.65% | -29.35% | 30.78% |
MED Medifast, Inc. | 11.33% | -39.39% | -73.79% | -38.34% | -42.31% | 9.36% | 86.18% | -9.73% | 82.11% | 72.33% |
Correlation
The correlation between AOS and MED is 0.22, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.22 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.25 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.34 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.31 |
Correlation (All Time) Calculated using the full available price history since Dec 31, 1993 | 0.20 |
The correlation between AOS and MED shifts across timeframes, from 0.20 (all time) to 0.34 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
AOS:
$8.22B
MED:
$130.86M
AOS:
$3.75
MED:
-$1.82
AOS:
2.18
MED:
0.38
AOS:
3.81
MED:
0.66
AOS:
$3.81B
MED:
$346.10M
AOS:
$1.48B
MED:
$242.70M
AOS:
$794.70M
MED:
-$3.86M
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Return for Risk
AOS vs. MED — Risk / Return Rank
AOS
MED
AOS vs. MED - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for A. O. Smith Corporation (AOS) and Medifast, Inc. (MED). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| AOS | MED | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.01 | ||
| Sortino ratioReturn per unit of downside risk | -0.12 | ||
| Omega ratioGain probability vs. loss probability | 0.98 | 0.99 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | -0.20 | -0.26 | +0.06 |
| Martin ratioReturn relative to average drawdown | -0.47 | -0.44 | -0.02 |
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Drawdowns
AOS vs. MED - Drawdown Comparison
The maximum AOS drawdown since its inception was -66.07%, smaller than the maximum MED drawdown of -98.40%. Use the drawdown chart below to compare losses from any high point for AOS and MED.
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Drawdown Indicators
| AOS | MED | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -66.07% | -98.40% | +32.33% |
Max Drawdown (1Y)Largest decline over 1 year | -30.29% | -37.39% | +7.10% |
Max Drawdown (3Y)Largest decline over 3 years | -36.93% | -90.91% | +53.98% |
Max Drawdown (5Y)Largest decline over 5 years | -42.68% | -96.29% | +53.61% |
Max Drawdown (10Y)Largest decline over 10 years | -46.81% | -96.76% | +49.95% |
Current DrawdownCurrent decline from peak | -33.20% | -95.96% | +62.76% |
Average DrawdownAverage peak-to-trough decline | -20.48% | -50.84% | +30.36% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 13.12% | 21.83% | -8.71% |
Volatility
AOS vs. MED - Volatility Comparison
The current volatility for A. O. Smith Corporation (AOS) is 8.06%, while Medifast, Inc. (MED) has a volatility of 8.94%. This indicates that AOS experiences smaller price fluctuations and is considered to be less risky than MED based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AOS | MED | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.06% | 8.94% | -0.88% |
Volatility (6M)Calculated over the trailing 6-month period | 19.33% | 31.69% | -12.36% |
Volatility (1Y)Calculated over the trailing 1-year period | 25.19% | 41.90% | -16.71% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 27.14% | 45.25% | -18.11% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 27.09% | 47.68% | -20.59% |
Dividends
AOS vs. MED - Dividend Comparison
AOS's dividend yield for the trailing twelve months is around 2.40%, while MED has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AOS A. O. Smith Corporation | 2.40% | 2.06% | 1.91% | 1.84% | 1.99% | 1.23% | 1.79% | 1.89% | 1.78% | 0.91% | 1.01% | 0.99% |
MED Medifast, Inc. | 0.00% | 0.00% | 0.00% | 7.36% | 5.69% | 2.71% | 2.30% | 3.08% | 1.75% | 2.06% | 2.57% | 0.82% |
Financials
AOS vs. MED - Financials Comparison
This section allows you to compare key financial metrics between A. O. Smith Corporation and Medifast, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
AOS vs. MED - Profitability Comparison
AOS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, A. O. Smith Corporation reported a gross profit of 365.70M and revenue of 945.60M. Therefore, the gross margin over that period was 38.7%.
MED - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Medifast, Inc. reported a gross profit of 51.76M and revenue of 76.04M. Therefore, the gross margin over that period was 68.1%.
AOS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, A. O. Smith Corporation reported an operating income of 161.80M and revenue of 945.60M, resulting in an operating margin of 17.1%.
MED - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Medifast, Inc. reported an operating income of -3.30M and revenue of 76.04M, resulting in an operating margin of -4.3%.
AOS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, A. O. Smith Corporation reported a net income of 118.00M and revenue of 945.60M, resulting in a net margin of 12.5%.
MED - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Medifast, Inc. reported a net income of -2.12M and revenue of 76.04M, resulting in a net margin of -2.8%.
Frequently Asked Questions
AOS and MED have a correlation of 0.22, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MED has higher volatility (8.94%) compared to AOS (8.06%). In terms of maximum drawdown, AOS dropped -66.07% vs MED's -98.40%.
MED currently has the higher Sharpe Ratio (-0.23 vs -0.24), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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