KGS vs. SPYG

Last updated Apr 1, 2026

Compare and contrast key facts about Kodiak Gas Services Inc. (KGS) and State Street SPDR Portfolio S&P 500 Growth ETF (SPYG).

SPYG is a passively managed fund by State Street that tracks the performance of the S&P 500 Growth Index. It was launched on Sep 25, 2000.

Performance

KGS vs. SPYG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Kodiak Gas Services Inc. (KGS) and State Street SPDR Portfolio S&P 500 Growth ETF (SPYG). The values are adjusted to include any dividend payments, if applicable.

KGS vs. SPYG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
KGS Kodiak Gas Services Inc.	57.47%	-3.73%	115.21%	30.79%
SPYG State Street SPDR Portfolio S&P 500 Growth ETF	-8.12%	22.09%	35.99%	8.72%

Returns By Period

In the year-to-date period, KGS achieves a 57.47% return, which is significantly higher than SPYG's -8.12% return.

KGS

• 1D: 1.50%
• 1M: 6.87%
• YTD: 57.47%
• 6M: 61.45%
• 1Y: 64.43%
• 3Y*: —
• 5Y*: —
• 10Y*: —

SPYG

• 1D: 4.08%
• 1M: -5.34%
• YTD: -8.12%
• 6M: -6.05%
• 1Y: 22.51%
• 3Y*: 21.85%
• 5Y*: 12.24%
• 10Y*: 15.75%

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

Return for Risk

KGS vs. SPYG — Risk / Return Rank

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

KGS

KGS Risk / Return Rank: 84
KGS Sharpe Ratio Rank: 87
KGS Sortino Ratio Rank: 81
KGS Omega Ratio Rank: 81
KGS Calmar Ratio Rank: 85
KGS Martin Ratio Rank: 83

SPYG

SPYG Risk / Return Rank: 66
SPYG Sharpe Ratio Rank: 61
SPYG Sortino Ratio Rank: 66
SPYG Omega Ratio Rank: 65
SPYG Calmar Ratio Rank: 70
SPYG Martin Ratio Rank: 69

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.

KGS vs. SPYG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Kodiak Gas Services Inc. (KGS) and State Street SPDR Portfolio S&P 500 Growth ETF (SPYG). 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.

	KGS	SPYG	Difference
Sharpe ratio Return per unit of total volatility	1.66	1.01	+0.65
Sortino ratio Return per unit of downside risk	2.16	1.58	+0.58
Omega ratio Gain probability vs. loss probability	1.30	1.22	+0.07
Calmar ratio Return relative to maximum drawdown	2.88	1.66	+1.21
Martin ratio Return relative to average drawdown	7.14	6.54	+0.60
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

KGS vs. SPYG - Sharpe Ratio Comparison

The current KGS Sharpe Ratio is 1.66, which is higher than the SPYG Sharpe Ratio of 1.01. The chart below compares the historical Sharpe Ratios of KGS and SPYG, 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

	KGS	SPYG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.66	1.01	+0.65
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.58	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.77	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.84	0.31	+1.52

Correlation

The correlation between KGS and SPYG is 0.24, 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

KGS vs. SPYG - Dividend Comparison

KGS's dividend yield for the trailing twelve months is around 3.22%, more than SPYG's 0.58% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
KGS Kodiak Gas Services Inc.	3.22%	4.81%	3.87%	1.89%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SPYG State Street SPDR Portfolio S&P 500 Growth ETF	0.58%	0.52%	0.60%	1.15%	1.03%	0.62%	0.90%	1.37%	1.51%	1.41%	1.55%	1.57%

Drawdowns

KGS vs. SPYG - Drawdown Comparison

The maximum KGS drawdown since its inception was -38.57%, smaller than the maximum SPYG drawdown of -67.63%. Use the drawdown chart below to compare losses from any high point for KGS and SPYG.

Drawdown Indicators

	KGS	SPYG	Difference
Max Drawdown Largest peak-to-trough decline	-38.57%	-67.63%	+29.06%
Max Drawdown (1Y) Largest decline over 1 year	-21.93%	-13.76%	-8.17%
Max Drawdown (5Y) Largest decline over 5 years	—	-32.67%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-32.67%	—
Current Drawdown Current decline from peak	-1.35%	-10.24%	+8.89%
Average Drawdown Average peak-to-trough decline	-12.03%	-24.48%	+12.45%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.83%	3.50%	+5.33%

Volatility

KGS vs. SPYG - Volatility Comparison

Kodiak Gas Services Inc. (KGS) has a higher volatility of 9.52% compared to State Street SPDR Portfolio S&P 500 Growth ETF (SPYG) at 7.20%. This indicates that KGS's price experiences larger fluctuations and is considered to be riskier than SPYG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	KGS	SPYG	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.52%	7.20%	+2.32%
Volatility (6M) Calculated over the trailing 6-month period	25.71%	12.83%	+12.88%
Volatility (1Y) Calculated over the trailing 1-year period	38.95%	22.39%	+16.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	38.10%	21.13%	+16.97%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	38.10%	20.57%	+17.53%