Interesting article but it’s not accurate for example when he states that:
the next table compares ETFs that not track an index (like SP500) but ETFs like “equal weight, low volatility, etc” with their underlying investments and he doesn’t shows what percentage those underlying assets are of the “indexes”, so is it highly probably that one asset although it just lost 15% (according to the table) if an ETF overweight that asset it will substantially lost more value when you add up the other losses.
I agree about volatility, it’s just like another stock but in the end if you buy an ETF trading a real index (not some invented index) you’ll be fine.
some ETFs had declined 20-40%, while the indexes they tracked had only declined 5-6%.
the next table compares ETFs that not track an index (like SP500) but ETFs like “equal weight, low volatility, etc” with their underlying investments and he doesn’t shows what percentage those underlying assets are of the “indexes”, so is it highly probably that one asset although it just lost 15% (according to the table) if an ETF overweight that asset it will substantially lost more value when you add up the other losses.
I agree about volatility, it’s just like another stock but in the end if you buy an ETF trading a real index (not some invented index) you’ll be fine.