KNF vs. ESP

Last updated Apr 1, 2026

Compare and contrast key facts about Knife River Corporation (KNF) and Espey Mfg. & Electronics Corp. (ESP).

Performance

KNF vs. ESP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Knife River Corporation (KNF) and Espey Mfg. & Electronics Corp. (ESP). The values are adjusted to include any dividend payments, if applicable.

KNF vs. ESP - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
KNF Knife River Corporation	16.06%	-30.79%	53.58%	88.98%
ESP Espey Mfg. & Electronics Corp.	18.11%	63.34%	66.83%	16.37%

Fundamentals

Market Cap KNF : $4.65B ESP : $157.72M
EPS KNF : $2.76 ESP : $3.40
PE Ratio KNF : 29.58 ESP : 16.31
PEG Ratio KNF : 3.37 ESP : 0.23
PS Ratio KNF : 1.48 ESP : 3.81
PB Ratio KNF : 2.83 ESP : 2.96
Total Revenue (TTM) KNF : $3.15B ESP : $41.13M
Gross Profit (TTM) KNF : $579.09M ESP : $14.15M
EBITDA (TTM) KNF : $436.24M ESP : $10.70M

Returns By Period

In the year-to-date period, KNF achieves a 16.06% return, which is significantly lower than ESP's 18.11% return.

KNF

• 1D: 3.34%
• 1M: -8.24%
• YTD: 16.06%
• 6M: 6.22%
• 1Y: -9.49%
• 3Y*: —
• 5Y*: —
• 10Y*: —

ESP

• 1D: 0.95%
• 1M: -3.91%
• YTD: 18.11%
• 6M: 41.34%
• 1Y: 112.39%
• 3Y*: 44.90%
• 5Y*: 31.41%
• 10Y*: 12.31%

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

Return for Risk

KNF vs. ESP — Risk / Return Rank

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

KNF

KNF Risk / Return Rank: 32
KNF Sharpe Ratio Rank: 32
KNF Sortino Ratio Rank: 30
KNF Omega Ratio Rank: 30
KNF Calmar Ratio Rank: 35
KNF Martin Ratio Rank: 35

ESP

ESP Risk / Return Rank: 88
ESP Sharpe Ratio Rank: 92
ESP Sortino Ratio Rank: 87
ESP Omega Ratio Rank: 86
ESP Calmar Ratio Rank: 90
ESP Martin Ratio Rank: 86

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.

KNF vs. ESP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Knife River Corporation (KNF) and Espey Mfg. & Electronics Corp. (ESP). 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.

	KNF	ESP	Difference
Sharpe ratio Return per unit of total volatility	-0.20	2.16	-2.37
Sortino ratio Return per unit of downside risk	0.03	2.59	-2.56
Omega ratio Gain probability vs. loss probability	1.00	1.34	-0.34
Calmar ratio Return relative to maximum drawdown	-0.21	3.82	-4.04
Martin ratio Return relative to average drawdown	-0.39	8.21	-8.60
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

KNF vs. ESP - Sharpe Ratio Comparison

The current KNF Sharpe Ratio is -0.20, which is lower than the ESP Sharpe Ratio of 2.16. The chart below compares the historical Sharpe Ratios of KNF and ESP, 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

	KNF	ESP	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.20	2.16	-2.37
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.75	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.33	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.85	0.36	+0.49

Correlation

The correlation between KNF and ESP is 0.16, 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

KNF vs. ESP - Dividend Comparison

KNF has not paid dividends to shareholders, while ESP's dividend yield for the trailing twelve months is around 3.16%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
KNF Knife River Corporation	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
ESP Espey Mfg. & Electronics Corp.	3.16%	3.71%	2.90%	2.67%	0.00%	0.00%	5.29%	4.63%	8.03%	4.17%	3.84%	3.88%

Drawdowns

KNF vs. ESP - Drawdown Comparison

The maximum KNF drawdown since its inception was -44.15%, smaller than the maximum ESP drawdown of -54.43%. Use the drawdown chart below to compare losses from any high point for KNF and ESP.

Drawdown Indicators

	KNF	ESP	Difference
Max Drawdown Largest peak-to-trough decline	-44.15%	-54.43%	+10.28%
Max Drawdown (1Y) Largest decline over 1 year	-41.75%	-29.09%	-12.66%
Max Drawdown (5Y) Largest decline over 5 years	—	-33.59%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-54.43%	—
Current Drawdown Current decline from peak	-23.91%	-10.21%	-13.70%
Average Drawdown Average peak-to-trough decline	-12.14%	-15.05%	+2.91%
Ulcer Index Depth and duration of drawdowns from previous peaks	22.98%	13.55%	+9.43%

Volatility

KNF vs. ESP - Volatility Comparison

The current volatility for Knife River Corporation (KNF) is 13.93%, while Espey Mfg. & Electronics Corp. (ESP) has a volatility of 16.05%. This indicates that KNF experiences smaller price fluctuations and is considered to be less risky than ESP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	KNF	ESP	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.93%	16.05%	-2.12%
Volatility (6M) Calculated over the trailing 6-month period	34.22%	35.05%	-0.83%
Volatility (1Y) Calculated over the trailing 1-year period	47.07%	52.23%	-5.16%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	41.33%	42.16%	-0.83%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	41.33%	37.58%	+3.75%

Financials

KNF vs. ESP - Profitability Comparison

The chart below illustrates the profitability comparison between Knife River Corporation and Espey Mfg. & Electronics Corp. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

KNF - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Knife River Corporation reported a gross profit of 145.30M and revenue of 755.10M. Therefore, the gross margin over that period was 19.2%.

ESP - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Espey Mfg. & Electronics Corp. reported a gross profit of 4.21M and revenue of 12.14M. Therefore, the gross margin over that period was 34.7%.

KNF - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Knife River Corporation reported an operating income of 65.20M and revenue of 755.10M, resulting in an operating margin of 8.6%.

ESP - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Espey Mfg. & Electronics Corp. reported an operating income of 3.07M and revenue of 12.14M, resulting in an operating margin of 25.3%.

KNF - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Knife River Corporation reported a net income of 32.00M and revenue of 755.10M, resulting in a net margin of 4.2%.

ESP - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Espey Mfg. & Electronics Corp. reported a net income of 2.81M and revenue of 12.14M, resulting in a net margin of 23.1%.