PTEN vs. FSLR

Last updated Apr 2, 2026

Compare and contrast key facts about Patterson-UTI Energy, Inc. (PTEN) and First Solar, Inc. (FSLR).

Performance

PTEN vs. FSLR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Patterson-UTI Energy, Inc. (PTEN) and First Solar, Inc. (FSLR). The values are adjusted to include any dividend payments, if applicable.

PTEN vs. FSLR - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PTEN Patterson-UTI Energy, Inc.	71.41%	-22.08%	-20.99%	-34.18%	101.74%	62.31%	-48.80%	3.07%	-54.64%	-14.20%
FSLR First Solar, Inc.	-23.66%	48.22%	2.30%	15.01%	71.86%	-11.89%	76.77%	31.81%	-37.12%	110.41%

Fundamentals

Market Cap PTEN : $3.93B FSLR : $21.47B
EPS PTEN : -$0.24 FSLR : $14.21
PS Ratio PTEN : 0.82 FSLR : 4.11
PB Ratio PTEN : 1.22 FSLR : 2.25
Total Revenue (TTM) PTEN : $4.83B FSLR : $5.22B
Gross Profit (TTM) PTEN : $171.88M FSLR : $2.12B
EBITDA (TTM) PTEN : $872.53M FSLR : $2.00B

Returns By Period

In the year-to-date period, PTEN achieves a 71.41% return, which is significantly higher than FSLR's -23.66% return. Over the past 10 years, PTEN has underperformed FSLR with an annualized return of -2.69%, while FSLR has yielded a comparatively higher 11.44% annualized return.

PTEN

• 1D: -4.43%
• 1M: 17.35%
• YTD: 71.41%
• 6M: 97.75%
• 1Y: 30.38%
• 3Y*: -0.21%
• 5Y*: 10.17%
• 10Y*: -2.69%

FSLR

• 1D: 1.10%
• 1M: -0.22%
• YTD: -23.66%
• 6M: -11.30%
• 1Y: 56.32%
• 3Y*: -2.85%
• 5Y*: 18.28%
• 10Y*: 11.44%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

PTEN vs. FSLR — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

PTEN

PTEN Risk / Return Rank: 57
PTEN Sharpe Ratio Rank: 59
PTEN Sortino Ratio Rank: 55
PTEN Omega Ratio Rank: 57
PTEN Calmar Ratio Rank: 60
PTEN Martin Ratio Rank: 54

FSLR

FSLR Risk / Return Rank: 70
FSLR Sharpe Ratio Rank: 71
FSLR Sortino Ratio Rank: 69
FSLR Omega Ratio Rank: 68
FSLR Calmar Ratio Rank: 72
FSLR Martin Ratio Rank: 72

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

PTEN vs. FSLR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Patterson-UTI Energy, Inc. (PTEN) and First Solar, Inc. (FSLR). 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.

	PTEN	FSLR	Difference
Sharpe ratio Return per unit of total volatility	0.52	0.89	-0.37
Sortino ratio Return per unit of downside risk	1.05	1.59	-0.53
Omega ratio Gain probability vs. loss probability	1.15	1.21	-0.06
Calmar ratio Return relative to maximum drawdown	0.87	1.64	-0.77
Martin ratio Return relative to average drawdown	1.25	3.99	-2.75
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PTEN vs. FSLR - Sharpe Ratio Comparison

The current PTEN Sharpe Ratio is 0.52, which is lower than the FSLR Sharpe Ratio of 0.89. The chart below compares the historical Sharpe Ratios of PTEN and FSLR, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	PTEN	FSLR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.52	0.89	-0.37
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.19	0.34	-0.16
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.04	0.23	-0.27
Sharpe Ratio (All Time) Calculated using the full available price history	0.15	0.19	-0.04

Correlation

The correlation between PTEN and FSLR is 0.31, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

PTEN vs. FSLR - Dividend Comparison

PTEN's dividend yield for the trailing twelve months is around 3.29%, while FSLR has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PTEN Patterson-UTI Energy, Inc.	3.29%	5.24%	3.87%	2.96%	1.19%	0.95%	1.90%	1.52%	1.35%	0.35%	0.59%	2.65%
FSLR First Solar, 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%

Drawdowns

PTEN vs. FSLR - Drawdown Comparison

The maximum PTEN drawdown since its inception was -95.13%, roughly equal to the maximum FSLR drawdown of -96.22%. Use the drawdown chart below to compare losses from any high point for PTEN and FSLR.

Drawdown Indicators

	PTEN	FSLR	Difference
Max Drawdown Largest peak-to-trough decline	-95.13%	-96.22%	+1.09%
Max Drawdown (1Y) Largest decline over 1 year	-37.74%	-35.10%	-2.64%
Max Drawdown (5Y) Largest decline over 5 years	-70.93%	-59.97%	-10.96%
Max Drawdown (10Y) Largest decline over 10 years	-94.02%	-61.26%	-32.76%
Current Drawdown Current decline from peak	-65.26%	-35.91%	-29.35%
Average Drawdown Average peak-to-trough decline	-42.16%	-63.59%	+21.43%
Ulcer Index Depth and duration of drawdowns from previous peaks	26.42%	14.46%	+11.96%

Volatility

PTEN vs. FSLR - Volatility Comparison

Patterson-UTI Energy, Inc. (PTEN) and First Solar, Inc. (FSLR) have volatilities of 11.28% and 11.39%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PTEN	FSLR	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.28%	11.39%	-0.11%
Volatility (6M) Calculated over the trailing 6-month period	32.79%	39.08%	-6.29%
Volatility (1Y) Calculated over the trailing 1-year period	58.57%	63.72%	-5.15%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	55.18%	53.41%	+1.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	61.98%	50.35%	+11.63%

Financials

PTEN vs. FSLR - Profitability Comparison

The chart below illustrates the profitability comparison between Patterson-UTI Energy, Inc. and First Solar, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

PTEN - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Patterson-UTI Energy, Inc. reported a gross profit of 0.00 and revenue of 1.15B. Therefore, the gross margin over that period was 0.0%.

FSLR - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, First Solar, Inc. reported a gross profit of 665.34M and revenue of 1.68B. Therefore, the gross margin over that period was 39.5%.

PTEN - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Patterson-UTI Energy, Inc. reported an operating income of -235.00K and revenue of 1.15B, resulting in an operating margin of -0.0%.

FSLR - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, First Solar, Inc. reported an operating income of 547.92M and revenue of 1.68B, resulting in an operating margin of 32.6%.

PTEN - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Patterson-UTI Energy, Inc. reported a net income of -9.09M and revenue of 1.15B, resulting in a net margin of -0.8%.

FSLR - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, First Solar, Inc. reported a net income of 520.88M and revenue of 1.68B, resulting in a net margin of 31.0%.