PSA.TO vs. ZCS.TO

Last updated Apr 1, 2026

Compare and contrast key facts about Purpose High Interest Savings Fund (PSA.TO) and BMO Short Corporate Bond Index ETF (ZCS.TO).

PSA.TO and ZCS.TO are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. PSA.TO is an actively managed fund by Purpose Investments. It was launched on Oct 15, 2013. ZCS.TO is a passively managed fund by BMO that tracks the performance of the FTSE Canada Short Term Corporate Bond Index. It was launched on Oct 20, 2009.

Performance

PSA.TO vs. ZCS.TO - Performance Comparison

The chart below illustrates the hypothetical performance of a CA$10,000 investment in Purpose High Interest Savings Fund (PSA.TO) and BMO Short Corporate Bond Index ETF (ZCS.TO). The values are adjusted to include any dividend payments, if applicable.

PSA.TO vs. ZCS.TO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PSA.TO Purpose High Interest Savings Fund	0.50%	2.64%	4.56%	5.12%	2.34%	0.60%	0.93%	2.22%	1.65%	1.09%
ZCS.TO BMO Short Corporate Bond Index ETF	0.15%	4.41%	7.42%	6.67%	-4.48%	-0.76%	6.10%	5.01%	1.23%	1.04%

Returns By Period

In the year-to-date period, PSA.TO achieves a 0.50% return, which is significantly higher than ZCS.TO's 0.15% return. Over the past 10 years, PSA.TO has underperformed ZCS.TO with an annualized return of 2.23%, while ZCS.TO has yielded a comparatively higher 2.75% annualized return.

PSA.TO

• 1D: -0.01%
• 1M: 0.16%
• YTD: 0.50%
• 6M: 1.11%
• 1Y: 2.43%
• 3Y*: 3.88%
• 5Y*: 3.11%
• 10Y*: 2.23%

ZCS.TO

• 1D: 0.22%
• 1M: -1.01%
• YTD: 0.15%
• 6M: 0.61%
• 1Y: 3.27%
• 3Y*: 5.49%
• 5Y*: 2.68%
• 10Y*: 2.75%

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

PSA.TO vs. ZCS.TO - Expense Ratio Comparison

PSA.TO has a 0.17% expense ratio, which is higher than ZCS.TO's 0.11% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

PSA.TO

Purpose High Interest Savings Fund

ZCS.TO

BMO Short Corporate Bond Index ETF

Return for Risk

PSA.TO vs. ZCS.TO — Risk / Return Rank

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

PSA.TO

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

ZCS.TO

ZCS.TO Risk / Return Rank: 82
ZCS.TO Sharpe Ratio Rank: 83
ZCS.TO Sortino Ratio Rank: 82
ZCS.TO Omega Ratio Rank: 83
ZCS.TO Calmar Ratio Rank: 79
ZCS.TO Martin Ratio Rank: 83

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.

PSA.TO vs. ZCS.TO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Purpose High Interest Savings Fund (PSA.TO) and BMO Short Corporate Bond Index ETF (ZCS.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.

	PSA.TO	ZCS.TO	Difference
Sharpe ratio Return per unit of total volatility	10.29	1.57	+8.73
Sortino ratio Return per unit of downside risk	28.35	2.09	+26.26
Omega ratio Gain probability vs. loss probability	6.22	1.32	+4.90
Calmar ratio Return relative to maximum drawdown	120.87	2.05	+118.82
Martin ratio Return relative to average drawdown	419.05	9.00	+410.05
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PSA.TO vs. ZCS.TO - Sharpe Ratio Comparison

The current PSA.TO Sharpe Ratio is 10.29, which is higher than the ZCS.TO Sharpe Ratio of 1.57. The chart below compares the historical Sharpe Ratios of PSA.TO and ZCS.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

	PSA.TO	ZCS.TO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	10.29	1.57	+8.73
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	11.42	0.94	+10.48
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	9.61	0.63	+8.97
Sharpe Ratio (All Time) Calculated using the full available price history	9.23	0.79	+8.45

Correlation

The correlation between PSA.TO and ZCS.TO is 0.05, 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

PSA.TO vs. ZCS.TO - Dividend Comparison

PSA.TO's dividend yield for the trailing twelve months is around 2.41%, less than ZCS.TO's 3.82% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PSA.TO Purpose High Interest Savings Fund	2.41%	2.61%	4.47%	5.05%	2.26%	0.59%	0.94%	2.18%	1.66%	1.07%	0.99%	1.07%
ZCS.TO BMO Short Corporate Bond Index ETF	3.82%	3.60%	3.27%	3.35%	3.23%	2.99%	2.88%	2.96%	2.88%	3.04%	3.34%	3.53%

Drawdowns

PSA.TO vs. ZCS.TO - Drawdown Comparison

The maximum PSA.TO drawdown since its inception was -0.04%, smaller than the maximum ZCS.TO drawdown of -13.95%. Use the drawdown chart below to compare losses from any high point for PSA.TO and ZCS.TO.

Drawdown Indicators

	PSA.TO	ZCS.TO	Difference
Max Drawdown Largest peak-to-trough decline	-0.04%	-13.95%	+13.91%
Max Drawdown (1Y) Largest decline over 1 year	-0.02%	-1.63%	+1.61%
Max Drawdown (5Y) Largest decline over 5 years	-0.04%	-7.76%	+7.72%
Max Drawdown (10Y) Largest decline over 10 years	-0.04%	-13.95%	+13.91%
Current Drawdown Current decline from peak	-0.01%	-1.01%	+1.00%
Average Drawdown Average peak-to-trough decline	0.00%	-0.90%	+0.90%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.01%	0.37%	-0.36%

Volatility

PSA.TO vs. ZCS.TO - Volatility Comparison

The current volatility for Purpose High Interest Savings Fund (PSA.TO) is 0.06%, while BMO Short Corporate Bond Index ETF (ZCS.TO) has a volatility of 1.22%. This indicates that PSA.TO experiences smaller price fluctuations and is considered to be less risky than ZCS.TO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PSA.TO	ZCS.TO	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.06%	1.22%	-1.16%
Volatility (6M) Calculated over the trailing 6-month period	0.17%	1.60%	-1.43%
Volatility (1Y) Calculated over the trailing 1-year period	0.24%	2.09%	-1.85%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.27%	2.86%	-2.59%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.23%	4.38%	-4.15%