PFE vs. ENPH
PFE (Pfizer Inc.) and ENPH (Enphase Energy, Inc.) are both stocks. PFE operates in Drug Manufacturers - General (Healthcare), while ENPH operates in Solar (Technology). Over the past 10 years, PFE returned 1.92%/yr vs 40.45%/yr for ENPH. At a 0.15 correlation, their price movements are largely independent.
Performance
PFE vs. ENPH - Performance Comparison
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Returns By Period
In the year-to-date period, PFE achieves a 6.63% return, which is significantly lower than ENPH's 113.39% return. Over the past 10 years, PFE has underperformed ENPH with an annualized return of 1.92%, while ENPH has yielded a comparatively higher 40.45% annualized return.
PFE
- 1D
- 1.38%
- 1M
- -1.27%
- YTD
- 6.63%
- 6M
- 3.31%
- 1Y
- 17.51%
- 3Y*
- -7.13%
- 5Y*
- -3.25%
- 10Y*
- 1.92%
ENPH
- 1D
- -0.91%
- 1M
- 89.87%
- YTD
- 113.39%
- 6M
- 122.33%
- 1Y
- 58.46%
- 3Y*
- -27.93%
- 5Y*
- -12.68%
- 10Y*
- 40.45%
PFE vs. ENPH - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PFE Pfizer Inc. | 6.63% | 0.65% | -2.22% | -41.26% | -10.41% | 66.70% | 3.07% | -6.91% | 24.82% | 15.90% |
ENPH Enphase Energy, Inc. | 113.39% | -53.33% | -48.02% | -50.13% | 44.83% | 4.26% | 571.53% | 452.43% | 96.27% | 138.61% |
Correlation
The correlation between PFE and ENPH is 0.20, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.20 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.24 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.17 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.12 |
Correlation (All Time) Calculated using the full available price history since Apr 2, 2012 | 0.15 |
The correlation between PFE and ENPH shifts across timeframes, from 0.12 (10 years) to 0.24 (3 years), reflecting how their relationship changes across market environments.
Fundamentals
PFE:
$147.23B
ENPH:
$8.98B
PFE:
$1.31
ENPH:
$0.92
PFE:
19.58
ENPH:
74.64
PFE:
0.35
ENPH:
1.70
PFE:
2.32
ENPH:
6.51
PFE:
1.63
ENPH:
8.15
PFE:
$63.32B
ENPH:
$1.40B
PFE:
$43.91B
ENPH:
$619.16M
PFE:
$16.94B
ENPH:
$189.48M
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Return for Risk
PFE vs. ENPH — Risk / Return Rank
PFE
ENPH
PFE vs. ENPH - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Pfizer Inc. (PFE) and Enphase Energy, Inc. (ENPH). 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.
| PFE | ENPH | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.04 | ||
| Sortino ratioReturn per unit of downside risk | -0.35 | ||
| Omega ratioGain probability vs. loss probability | 1.15 | 1.20 | -0.05 |
| Calmar ratioReturn relative to maximum drawdown | 1.53 | 1.36 | +0.17 |
| Martin ratioReturn relative to average drawdown | 3.15 | 2.46 | +0.69 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| PFE | ENPH | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.74 | 0.70 | +0.04 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.13 | -0.18 | +0.05 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.08 | 0.52 | -0.44 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.33 | 0.21 | +0.12 |
Drawdowns
PFE vs. ENPH - Drawdown Comparison
The maximum PFE drawdown since its inception was -69.24%, smaller than the maximum ENPH drawdown of -95.97%. Use the drawdown chart below to compare losses from any high point for PFE and ENPH.
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Drawdown Indicators
| PFE | ENPH | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -69.24% | -95.97% | +26.73% |
Max Drawdown (1Y)Largest decline over 1 year | -11.47% | -43.13% | +31.66% |
Max Drawdown (3Y)Largest decline over 3 years | -40.75% | -86.23% | +45.48% |
Max Drawdown (5Y)Largest decline over 5 years | -58.96% | -92.23% | +33.27% |
Max Drawdown (10Y)Largest decline over 10 years | -58.96% | -92.23% | +33.27% |
Current DrawdownCurrent decline from peak | -46.76% | -79.65% | +32.89% |
Average DrawdownAverage peak-to-trough decline | -22.89% | -50.53% | +27.64% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.57% | 23.79% | -18.22% |
Volatility
PFE vs. ENPH - Volatility Comparison
The current volatility for Pfizer Inc. (PFE) is 4.28%, while Enphase Energy, Inc. (ENPH) has a volatility of 32.51%. This indicates that PFE experiences smaller price fluctuations and is considered to be less risky than ENPH based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PFE | ENPH | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.28% | 32.51% | -28.23% |
Volatility (6M)Calculated over the trailing 6-month period | 14.69% | 62.14% | -47.45% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.88% | 84.42% | -60.54% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 25.50% | 69.64% | -44.14% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.88% | 78.13% | -54.25% |
Dividends
PFE vs. ENPH - Dividend Comparison
PFE's dividend yield for the trailing twelve months is around 6.70%, while ENPH has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ENPH Enphase Energy, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
PFE Pfizer Inc. | 6.70% | 6.91% | 6.33% | 5.70% | 3.12% | 2.64% | 3.92% | 3.68% | 3.12% | 3.53% | 3.69% | 3.47% |
Financials
PFE vs. ENPH - Financials Comparison
This section allows you to compare key financial metrics between Pfizer Inc. and Enphase Energy, 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
PFE vs. ENPH - Profitability Comparison
PFE - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Pfizer Inc. reported a gross profit of 9.72B and revenue of 14.45B. Therefore, the gross margin over that period was 67.3%.
ENPH - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Enphase Energy, Inc. reported a gross profit of 100.39M and revenue of 282.90M. Therefore, the gross margin over that period was 35.5%.
PFE - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Pfizer Inc. reported an operating income of 4.03B and revenue of 14.45B, resulting in an operating margin of 27.9%.
ENPH - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Enphase Energy, Inc. reported an operating income of -29.64M and revenue of 282.90M, resulting in an operating margin of -10.5%.
PFE - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Pfizer Inc. reported a net income of 2.69B and revenue of 14.45B, resulting in a net margin of 18.6%.
ENPH - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Enphase Energy, Inc. reported a net income of -20.31M and revenue of 282.90M, resulting in a net margin of -7.2%.
Frequently Asked Questions
PFE and ENPH have a correlation of 0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ENPH has higher volatility (32.51%) compared to PFE (4.28%). In terms of maximum drawdown, PFE dropped -69.24% vs ENPH's -95.97%.
PFE currently has the higher Sharpe Ratio (0.74 vs 0.70), 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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