Stock price when the opinion was issued
The caller's question was on which of these ETF's to buy for a start-up portfolio for his 20-year-old daughter. He prefers more sectors to be covered in this situation so he suggested XEI. There are more multi-asset solutions as well. He also suggested lowering the risk tolerance for a beginner investor.
They're popular, because people want the extra yield, but they work only in some environments. Better when you expects markets to go down for 6-12 months (a correction). In rapid declines, like Covid, you get only some protection. But in a strong market, you give you the upside and lag the market a lot. Just owning ZEB since 2011, you would have made 10.71% annualized; ZWB 8.34%. So, use ZWB defensively at some point after a correction, say 10% or 15% down. Use ZEB in a strong rally. During strong declines, both ETFs fall roughly the same, but during the recent strong rally, ZEB was 16.98% and ZWB 14.85%.
Basket of Canadian banks, no covered call. Past year's total return is nearly 14%. As well, better return over 3 years than ZWB.
Over the past year, total return for ZWB was ~9.5%.