Because of the threat of that your crypto exchange allows how the product appears on trading pairs than others. Here are our picks for an active or passive approach.
This does not mean you can not trade cryptos outside of these times. Generally, traders seek volatility because it opens up opportunities for lucrative trades. The reason why this works out so well is because people who want quick gains tend not to stick around long enough after their initial investment--they'll sell at any sign of trouble or volatility so they can get out while they still have some profit left over from whatever gains they made earlier on.