This really depends on what your 'goal' is which you want to achieve with crypto.
If you are a daytrader there isn't much you can do on flat days.. try to ride the small waves which appear.
As a holder (when the fundamentals didn't change) just hold tight. In the end it will pay out.
Especially with LN being tested and Schnorr in (hopefully) near future, holding is the best option IMO.
Trading is fine, but in the end you should always be holding your stack tight.
Agreed. If the market is flat, that's telling you lie down flat on your back and take a break. Holders probably love this part, because it means the market is stabilizing, slowly gaining momentum before trying to retest new highs. Scalpers on the day trading scene will always be on the lookout for sudden volume spikes, and in a flat market, probably easier to spot this. I login to Bittrex and see the top volume trades and it usually lasts a little while before flatlining again.
The longer this flat market trades sideways, the better for long-term view, in my opinion.