SOBO.TO vs. ZMMK.TO

Last updated Apr 1, 2026

Compare and contrast key facts about South Bow Corp (SOBO.TO) and BMO Money Market Fund ETF Series (ZMMK.TO).

ZMMK.TO is an actively managed fund by BMO. It was launched on Nov 28, 2021.

Performance

SOBO.TO vs. ZMMK.TO - Performance Comparison

The chart below illustrates the hypothetical performance of a CA$10,000 investment in South Bow Corp (SOBO.TO) and BMO Money Market Fund ETF Series (ZMMK.TO). The values are adjusted to include any dividend payments, if applicable.

SOBO.TO vs. ZMMK.TO - Yearly Performance Comparison

	2026 (YTD)	2025	2024
SOBO.TO South Bow Corp	22.60%	19.88%	15.48%
ZMMK.TO BMO Money Market Fund ETF Series	0.57%	2.77%	1.17%

Returns By Period

In the year-to-date period, SOBO.TO achieves a 22.60% return, which is significantly higher than ZMMK.TO's 0.57% return.

SOBO.TO

• 1D: -3.00%
• 1M: 5.52%
• YTD: 22.60%
• 6M: 19.63%
• 1Y: 33.02%
• 3Y*: —
• 5Y*: —
• 10Y*: —

ZMMK.TO

• 1D: 0.02%
• 1M: 0.20%
• YTD: 0.57%
• 6M: 1.20%
• 1Y: 2.62%
• 3Y*: 4.00%
• 5Y*: —
• 10Y*: —

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

Return for Risk

SOBO.TO vs. ZMMK.TO — Risk / Return Rank

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

SOBO.TO

SOBO.TO Risk / Return Rank: 79
SOBO.TO Sharpe Ratio Rank: 83
SOBO.TO Sortino Ratio Rank: 78
SOBO.TO Omega Ratio Rank: 77
SOBO.TO Calmar Ratio Rank: 78
SOBO.TO Martin Ratio Rank: 81

ZMMK.TO

ZMMK.TO Risk / Return Rank: 100
ZMMK.TO Sharpe Ratio Rank: 100
ZMMK.TO Sortino Ratio Rank: 100
ZMMK.TO Omega Ratio Rank: 100
ZMMK.TO Calmar Ratio Rank: 100
ZMMK.TO Martin Ratio Rank: 100

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.

SOBO.TO vs. ZMMK.TO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for South Bow Corp (SOBO.TO) and BMO Money Market Fund ETF Series (ZMMK.TO). 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.

	SOBO.TO	ZMMK.TO	Difference
Sharpe ratio Return per unit of total volatility	1.40	10.17	-8.77
Sortino ratio Return per unit of downside risk	1.97	25.94	-23.98
Omega ratio Gain probability vs. loss probability	1.26	6.05	-4.79
Calmar ratio Return relative to maximum drawdown	2.07	86.98	-84.91
Martin ratio Return relative to average drawdown	6.41	406.21	-399.81
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SOBO.TO vs. ZMMK.TO - Sharpe Ratio Comparison

The current SOBO.TO Sharpe Ratio is 1.40, which is lower than the ZMMK.TO Sharpe Ratio of 10.17. The chart below compares the historical Sharpe Ratios of SOBO.TO and ZMMK.TO, 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

	SOBO.TO	ZMMK.TO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.40	10.17	-8.77
Sharpe Ratio (All Time) Calculated using the full available price history	1.48	10.37	-8.89

Correlation

The correlation between SOBO.TO and ZMMK.TO is -0.07. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.

Dividends

SOBO.TO vs. ZMMK.TO - Dividend Comparison

SOBO.TO's dividend yield for the trailing twelve months is around 4.46%, more than ZMMK.TO's 2.68% yield.

	TTM	2025	2024	2023	2022	2021
SOBO.TO South Bow Corp	4.46%	7.37%	2.12%	0.00%	0.00%	0.00%
ZMMK.TO BMO Money Market Fund ETF Series	2.68%	3.02%	4.66%	4.98%	1.95%	0.04%

Drawdowns

SOBO.TO vs. ZMMK.TO - Drawdown Comparison

The maximum SOBO.TO drawdown since its inception was -19.24%, which is greater than ZMMK.TO's maximum drawdown of -0.16%. Use the drawdown chart below to compare losses from any high point for SOBO.TO and ZMMK.TO.

Drawdown Indicators

	SOBO.TO	ZMMK.TO	Difference
Max Drawdown Largest peak-to-trough decline	-19.24%	-0.16%	-19.08%
Max Drawdown (1Y) Largest decline over 1 year	-15.99%	-0.03%	-15.96%
Current Drawdown Current decline from peak	-3.00%	0.00%	-3.00%
Average Drawdown Average peak-to-trough decline	-4.84%	0.00%	-4.84%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.16%	0.01%	+5.15%

Volatility

SOBO.TO vs. ZMMK.TO - Volatility Comparison

South Bow Corp (SOBO.TO) has a higher volatility of 4.96% compared to BMO Money Market Fund ETF Series (ZMMK.TO) at 0.08%. This indicates that SOBO.TO's price experiences larger fluctuations and is considered to be riskier than ZMMK.TO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SOBO.TO	ZMMK.TO	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.96%	0.08%	+4.88%
Volatility (6M) Calculated over the trailing 6-month period	14.63%	0.20%	+14.43%
Volatility (1Y) Calculated over the trailing 1-year period	23.70%	0.26%	+23.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	28.59%	0.34%	+28.25%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	28.59%	0.34%	+28.25%