Overall, it appears from these results that cryptocurrencies may experience short term intervals of co-movement, caused by sector wide news or cross market contagion, though correlation is likely to change dependent on the nature of the causal event and market environment. In the medium and longer term Bitcoin and Litecoin are strongly related; it is believed this is due to their similarity.
If you’re interested in trading the major cryptocurrencies, whether long or short term, there are many factors to consider. Do you have a high risk tolerance; are you open to volatility? Do you want to add more cryptocurrencies to your portfolio, or do you want to progress to a new asset class in time? Do you want to go for a day trading strategy, or do you prefer position trading for a longer-term approach? The following tips are key:

Aston Villa FCDr Scott Lichtenstein has made an interesting prediction following Steven Gerrard's Aston Villa appointment
It can be seen from Fig 6 that coherence in the short run is erratic throughout the time interval analysed, and that there is little appreciable difference between the bubble and non-bubble regimes. However in the medium term (8–16 and 16–32 days), coherence generally peaks around areas where bubbles have been identified in the price series. The longer term relationship, though, is less dependent on whether the price is in a bubble phase.