SMTGY vs. CBK.DE

Last updated Jun 4, 2026

SMTGY (SMA Solar Technology AG) and CBK.DE (Commerzbank AG) are both stocks. SMTGY operates in Solar (Technology), while CBK.DE operates in Banks - Regional (Financial Services). Over the past 5 years, SMTGY returned 7.63%/yr vs 41.52%/yr for CBK.DE. At a 0.03 correlation, their price movements are largely independent.

Performance

SMTGY vs. CBK.DE - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SMA Solar Technology AG (SMTGY) and Commerzbank AG (CBK.DE). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

SMTGY is traded in USD, while CBK.DE is traded in EUR. To make them comparable, the CBK.DE values have been converted to USD using the latest available exchange rates.

Returns By Period

In the year-to-date period, SMTGY achieves a 88.17% return, which is significantly higher than CBK.DE's 2.68% return.

SMTGY

• 1D: 4.22%
• 1M: 19.91%
• YTD: 88.17%
• 6M: 87.48%
• 1Y: 268.67%
• 3Y*: -10.00%
• 5Y*: 7.63%
• 10Y*: —

CBK.DE

• 1D: -2.30%
• 1M: 9.48%
• YTD: 2.68%
• 6M: 11.11%
• 1Y: 42.33%
• 3Y*: 64.73%
• 5Y*: 41.52%
• 10Y*: 19.92%

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

SMTGY vs. CBK.DE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
SMTGY SMA Solar Technology AG	88.17%	201.14%	-78.32%	-10.78%	69.47%	-36.69%	37.50%
CBK.DE Commerzbank AG	2.68%	165.91%	41.33%	28.35%	24.82%	17.00%	29.38%

Correlation

The correlation between SMTGY and CBK.DE is 0.10, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.10
Correlation (3Y) Calculated over the trailing 3-year period	0.07
Correlation (5Y) Calculated over the trailing 5-year period	0.04
Correlation (All Time) Calculated using the full available price history since Oct 28, 2020	0.03

Return for Risk

SMTGY vs. CBK.DE — Risk / Return Rank

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

SMTGY

SMTGY Risk / Return Rank: 95
SMTGY Sharpe Ratio Rank: 96
SMTGY Sortino Ratio Rank: 91
SMTGY Omega Ratio Rank: 95
SMTGY Calmar Ratio Rank: 96
SMTGY Martin Ratio Rank: 96

CBK.DE

CBK.DE Risk / Return Rank: 69
CBK.DE Sharpe Ratio Rank: 72
CBK.DE Sortino Ratio Rank: 67
CBK.DE Omega Ratio Rank: 64
CBK.DE Calmar Ratio Rank: 72
CBK.DE 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.

SMTGY vs. CBK.DE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SMA Solar Technology AG (SMTGY) and Commerzbank AG (CBK.DE). 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.

	SMTGY	CBK.DE	Difference
Sharpe ratio Return per unit of total volatility	3.42	1.07	+2.35
Sortino ratio Return per unit of downside risk	3.32	1.66	+1.66
Omega ratio Gain probability vs. loss probability	1.56	1.20	+0.37
Calmar ratio Return relative to maximum drawdown	7.47	1.82	+5.65
Martin ratio Return relative to average drawdown	23.45	3.95	+19.50
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SMTGY vs. CBK.DE - Sharpe Ratio Comparison

The current SMTGY Sharpe Ratio is 3.42, which is higher than the CBK.DE Sharpe Ratio of 1.07. The chart below compares the historical Sharpe Ratios of SMTGY and CBK.DE, 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

	SMTGY	CBK.DE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.42	1.07	+2.35
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.10	0.97	-0.87
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.46	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.10	-0.17	+0.27

Drawdowns

SMTGY vs. CBK.DE - Drawdown Comparison

The maximum SMTGY drawdown since its inception was -89.48%, smaller than the maximum CBK.DE drawdown of -98.80%. Use the drawdown chart below to compare losses from any high point for SMTGY and CBK.DE.

Drawdown Indicators

	SMTGY	CBK.DE	Difference
Max Drawdown Largest peak-to-trough decline	-89.48%	-98.80%	+9.32%
Max Drawdown (1Y) Largest decline over 1 year	-36.24%	-23.18%	-13.06%
Max Drawdown (3Y) Largest decline over 3 years	-89.29%	-23.18%	-66.11%
Max Drawdown (5Y) Largest decline over 5 years	-89.48%	-44.94%	-44.54%
Max Drawdown (10Y) Largest decline over 10 years	—	-80.41%	—
Current Drawdown Current decline from peak	-35.08%	-81.51%	+46.43%
Average Drawdown Average peak-to-trough decline	-48.27%	-88.40%	+40.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	11.51%	10.68%	+0.83%

Volatility

SMTGY vs. CBK.DE - Volatility Comparison

SMA Solar Technology AG (SMTGY) has a higher volatility of 22.81% compared to Commerzbank AG (CBK.DE) at 8.33%. This indicates that SMTGY's price experiences larger fluctuations and is considered to be riskier than CBK.DE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SMTGY	CBK.DE	Difference
Volatility (1M) Calculated over the trailing 1-month period	22.81%	8.33%	+14.48%
Volatility (6M) Calculated over the trailing 6-month period	47.66%	28.57%	+19.09%
Volatility (1Y) Calculated over the trailing 1-year period	79.32%	39.24%	+40.08%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	74.36%	42.18%	+32.18%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	85.91%	43.17%	+42.74%

Dividends

SMTGY vs. CBK.DE - Dividend Comparison

SMTGY has not paid dividends to shareholders, while CBK.DE's dividend yield for the trailing twelve months is around 3.02%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
CBK.DE Commerzbank AG	3.02%	1.80%	2.23%	1.86%	0.00%	0.00%	3.80%	3.63%	0.00%	0.00%	2.76%
SMTGY SMA Solar Technology AG	0.00%	0.00%	4.01%	0.00%	0.00%	0.56%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

Frequently Asked Questions

Can I hold both SMTGY and CBK.DE in my portfolio?

SMTGY and CBK.DE have a correlation of 0.10, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.