Ethereum's historical average monthly return in January is 20.63%, while Bitcoin's average monthly return in January is 3.81%.

[Ethereum's historical average January return is 20.63%, Bitcoin's average January return is 3.81%] According to Mars Finance, on December 31st, citing Coinglass data, since 2016, Ethereum's average January return is +20.63%, with a median January return of +31.92%. Over the past 9 years, January has seen 5 increases and 4 decreases. Furthermore, since 2013, Bitcoin's average January return is +3.81%, with a median January return of +0.62%. Over the past 13 years, January has seen 7 increases and 6 decreases.