HERO won't spike by definition. Gold and other traditional assets also move so slowly in comparison to crypto's, that they will be no problem at all. The other side of the problem is the volatility of BTS. However, all these MPA's survived the death trap of past years, where BTS dropped down to 10% of it's peak value. So I think it's safe to say that they have been proven to work as intended. Probably the asset most likely to suffer a black swan today is BTWTY. It is an index fund-like MPA which follows the value of the top 20 crypto's. The value of that could suddenly soar...