ZPH.TO vs. BIGY.TO

Last updated Jul 17, 2026

ZPH.TO (BMO US Put Write Hedged to CAD ETF) and BIGY.TO (Evolve US Equity UltraYield ETF) are both Derivative Income funds. Both are actively managed. A 0.57 correlation means they provide meaningful diversification when combined. ZPH.TO charges 0.65%/yr vs 0.40%/yr for BIGY.TO.

Performance

ZPH.TO vs. BIGY.TO - Performance Comparison

The chart below illustrates the hypothetical performance of a CA$10,000 investment in BMO US Put Write Hedged to CAD ETF (ZPH.TO) and Evolve US Equity UltraYield ETF (BIGY.TO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ZPH.TO achieves a 2.64% return, which is significantly higher than BIGY.TO's -12.84% return.

ZPH.TO

• 1D: 0.29%
• 1M: 1.47%
• 6M: 3.15%
• YTD: 2.64%
• 1Y: 8.71%
• 3Y*: 7.98%
• 5Y*: 5.84%
• 10Y*: —

BIGY.TO

• 1D: -2.12%
• 1M: -6.08%
• 6M: -13.48%
• YTD: -12.84%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ZPH.TO vs. BIGY.TO - Yearly Performance Comparison

	2026 (YTD)	2025
ZPH.TO BMO US Put Write Hedged to CAD ETF	2.64%	3.91%
BIGY.TO Evolve US Equity UltraYield ETF	-12.84%	-1.05%

Correlation

The correlation between ZPH.TO and BIGY.TO is 0.57, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Sep 10, 2025	0.57

Return for Risk

ZPH.TO vs. BIGY.TO — Risk / Return Rank

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

ZPH.TO

ZPH.TO Risk / Return Rank: 44
ZPH.TO Sharpe Ratio Rank: 46
ZPH.TO Sortino Ratio Rank: 48
ZPH.TO Omega Ratio Rank: 47
ZPH.TO Calmar Ratio Rank: 34
ZPH.TO Martin Ratio Rank: 42

BIGY.TO

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

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.

ZPH.TO vs. BIGY.TO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BMO US Put Write Hedged to CAD ETF (ZPH.TO) and Evolve US Equity UltraYield ETF (BIGY.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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	ZPH.TO	BIGY.TO	Difference
Sharpe ratio: Return per unit of total volatility	1.34	—	—
Sortino ratio: Return per unit of downside risk	1.95	—	—
Omega ratio: Gain probability vs. loss probability	1.25	—	—
Calmar ratio: Return relative to maximum drawdown	1.44	—	—
Martin ratio: Return relative to average drawdown	5.44	—	—

Drawdowns

ZPH.TO vs. BIGY.TO - Drawdown Comparison

The maximum ZPH.TO drawdown since its inception was -33.38%, which is greater than BIGY.TO's maximum drawdown of -27.81%. Use the drawdown chart below to compare losses from any high point for ZPH.TO and BIGY.TO.

Drawdown Indicators

	ZPH.TO	BIGY.TO	Difference
Max Drawdown Largest peak-to-trough decline	-33.38%	-27.81%	-5.57%
Max Drawdown (1Y) Largest decline over 1 year	-6.07%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-11.83%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-18.38%	—	—
Current Drawdown Current decline from peak	0.00%	-21.82%	+21.82%
Average Drawdown Average peak-to-trough decline	-4.23%	-12.50%	+8.27%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.60%	—	—

Volatility

Volatility by Period

	ZPH.TO	BIGY.TO	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.42%	—	—
Volatility (6M) Calculated over the trailing 6-month period	5.64%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	6.55%	28.75%	-22.20%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.18%	28.75%	-17.57%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	12.59%	28.75%	-16.16%

ZPH.TO vs. BIGY.TO - Expense Ratio Comparison

ZPH.TO has a 0.65% expense ratio, which is higher than BIGY.TO's 0.40% expense ratio.

Dividends

ZPH.TO vs. BIGY.TO - Dividend Comparison

ZPH.TO's dividend yield for the trailing twelve months is around 10.32%, less than BIGY.TO's 38.76% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
BIGY.TO Evolve US Equity UltraYield ETF	38.76%	9.54%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
ZPH.TO BMO US Put Write Hedged to CAD ETF	10.32%	10.06%	9.95%	8.18%	8.83%	7.27%	7.67%	7.26%	6.98%	5.94%

Frequently Asked Questions

Can I hold both ZPH.TO and BIGY.TO in my portfolio?

ZPH.TO and BIGY.TO have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, ZPH.TO or BIGY.TO?

On fees, BIGY.TO is cheaper at 0.40% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, ZPH.TO or BIGY.TO?

BIGY.TO is cheaper with a 0.40% expense ratio, compared with 0.65% for ZPH.TO.

What is the main difference between ZPH.TO and BIGY.TO?

They also come from different issuers: BMO and Evolve. Their fees differ too: 0.65% for ZPH.TO and 0.40% for BIGY.TO.