I think there are several factors for cryptomarket, which indicate the beginning of the bullish trend:
Statistics for the past years, starting in 2011: the month of March - the worst month for bitcoin, starting from April there is always a rise in the market.
News about the participation in the trading of companies or funds related to the surnames of the three most famous billionaires: Soros, Rockefellers and Rothschilds.
The end of tax payments in the US in the next 2 days.