Inevitable effects of halving are felt now.
Plus, bullish sentiment and new btc yearly highs = FOMO = high demand from retail investors, institutions and the general public (possibly same behaviour as the last massive btc rally in 2017).
Also, i'm 99% sure that the Paypal news was one of (if not THE) the main event that triggered this uptrend...I wouldn't be surprised to know later on that some smart money that was sitting on the sidelines finally entered the btc ecosystem
because of the Paypal news.
Finally, you have some other possible
events in the last few days thay maybe have helped fuel this surge in price like the uncertainty surrounding the US elections which, apparently, is making almost all the financial markets worldwide move upward (remember that BTC has been mirroring the US stock market movements in the last few months). I expected a price movement like this but AFTER the final results of the election came out.