CSGS vs. NNE

Last updated Jun 4, 2026

CSGS (CSG Systems International, Inc.) and NNE (NANO Nuclear Energy Inc.) are both stocks. CSGS operates in Software - Infrastructure (Technology), while NNE operates in Specialty Industrial Machinery (Industrials). Over the past year, CSGS returned 29.59% vs -9.63% for NNE. At a 0.09 correlation, their price movements are largely independent.

Performance

CSGS vs. NNE - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in CSG Systems International, Inc. (CSGS) and NANO Nuclear Energy Inc. (NNE). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CSGS achieves a 5.67% return, which is significantly lower than NNE's 9.83% return.

CSGS

• 1D: 0.00%
• 1M: 0.44%
• YTD: 5.67%
• 6M: 5.11%
• 1Y: 29.59%
• 3Y*: 20.39%
• 5Y*: 14.43%
• 10Y*: 8.86%

NNE

• 1D: -13.74%
• 1M: 13.08%
• YTD: 9.83%
• 6M: -22.19%
• 1Y: -9.63%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

CSGS vs. NNE - Yearly Performance Comparison

	2026 (YTD)	2025	2024
CSGS CSG Systems International, Inc.	5.67%	52.96%	25.38%
NNE NANO Nuclear Energy Inc.	9.83%	-3.55%	379.67%

Correlation

The correlation between CSGS and NNE is 0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.09
Correlation (All Time) Calculated using the full available price history since May 9, 2024	0.09

Fundamentals

Market Cap CSGS : $2.33B NNE : $1.36B
EPS CSGS : $2.24 NNE : -$202.05
PB Ratio CSGS : 7.93 NNE : 0.00
Total Revenue (TTM) CSGS : $1.24B NNE : $0.00
Gross Profit (TTM) CSGS : $598.18M NNE : -$769.48K
EBITDA (TTM) CSGS : $178.63M NNE : $14.05B

Return for Risk

CSGS vs. NNE — Risk / Return Rank

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

CSGS

CSGS Risk / Return Rank: 83
CSGS Sharpe Ratio Rank: 76
CSGS Sortino Ratio Rank: 80
CSGS Omega Ratio Rank: 86
CSGS Calmar Ratio Rank: 84
CSGS Martin Ratio Rank: 87

NNE

NNE Risk / Return Rank: 38
NNE Sharpe Ratio Rank: 37
NNE Sortino Ratio Rank: 43
NNE Omega Ratio Rank: 41
NNE Calmar Ratio Rank: 35
NNE Martin Ratio Rank: 36

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.

CSGS vs. NNE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for CSG Systems International, Inc. (CSGS) and NANO Nuclear Energy Inc. (NNE). 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.

	CSGS	NNE	Difference
Sharpe ratio: Return per unit of total volatility	1.24	-0.10	+1.34
Sortino ratio: Return per unit of downside risk	2.36	0.60	+1.76
Omega ratio: Gain probability vs. loss probability	1.37	1.06	+0.31
Calmar ratio: Return relative to maximum drawdown	3.33	-0.15	+3.47
Martin ratio: Return relative to average drawdown	10.10	-0.24	+10.34
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CSGS vs. NNE - Sharpe Ratio Comparison

The current CSGS Sharpe Ratio is 1.24, which is higher than the NNE Sharpe Ratio of -0.10. The chart below compares the historical Sharpe Ratios of CSGS and NNE, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	CSGS	NNE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.24	-0.10	+1.34
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.54	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.32	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.14	0.81	-0.67

Drawdowns

CSGS vs. NNE - Drawdown Comparison

The maximum CSGS drawdown since its inception was -88.60%, which is greater than NNE's maximum drawdown of -77.68%. Use the drawdown chart below to compare losses from any high point for CSGS and NNE.

Drawdown Indicators

	CSGS	NNE	Difference
Max Drawdown Largest peak-to-trough decline	-88.60%	-77.68%	-10.92%
Max Drawdown (1Y) Largest decline over 1 year	-7.98%	-66.45%	+58.47%
Max Drawdown (3Y) Largest decline over 3 years	-31.64%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-36.75%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-36.75%	—	—
Current Drawdown Current decline from peak	0.00%	-53.43%	+53.43%
Average Drawdown Average peak-to-trough decline	-47.18%	-35.96%	-11.22%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.62%	39.98%	-37.36%

Volatility

CSGS vs. NNE - Volatility Comparison

The current volatility for CSG Systems International, Inc. (CSGS) is 0.47%, while NANO Nuclear Energy Inc. (NNE) has a volatility of 37.95%. This indicates that CSGS experiences smaller price fluctuations and is considered to be less risky than NNE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CSGS	NNE	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.47%	37.95%	-37.48%
Volatility (6M) Calculated over the trailing 6-month period	3.88%	67.43%	-63.55%
Volatility (1Y) Calculated over the trailing 1-year period	21.36%	98.37%	-77.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	26.86%	148.79%	-121.93%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.68%	148.79%	-121.11%

Dividends

CSGS vs. NNE - Dividend Comparison

CSGS's dividend yield for the trailing twelve months is around 1.61%, while NNE has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CSGS CSG Systems International, Inc.	1.61%	1.67%	2.35%	2.10%	1.85%	1.74%	2.09%	1.72%	2.64%	1.80%	1.53%	1.95%
NNE NANO Nuclear 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%

Financials

Frequently Asked Questions

Can I hold both CSGS and NNE in my portfolio?

CSGS and NNE have a correlation of 0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CSGS or NNE?

NNE has higher volatility (37.95%) compared to CSGS (0.47%). In terms of maximum drawdown, CSGS dropped -88.60% vs NNE's -77.68%.

Which has better risk-adjusted returns?

CSGS currently has the higher Sharpe Ratio (1.24 vs -0.10), 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.