According to Coinglass data, out of the 9 May market trends for Ethereum since 2016, there were 6 times it closed up and 3 times it closed down. The largest increase occurred in May 2017, with a monthly gain of 161.43%. The largest decline happened in May 2022, with a monthly drop of 28.85%. From 2016 to the present, the average return rate for Ethereum's May market trend is 27.39%, with a median of 7.09%.