【Bitcoin's Historical Returns in May: 6 Gains and 6 Losses Since 2013】According to Golden Finance's report and Coinglass data, historically, Bitcoin has experienced 12 Mays since 2013, with 6 gains and 6 losses. The largest increase occurred in May 2019, with a monthly increase of 52.38%. The largest decrease occurred in May 2021, with a monthly decrease of 35.31%. From 2013 to now, Bitcoin's average return in 'May' is 7.4%.