Altcoins by calendar month: share of positive months

50% 53% Jan 47% Feb 60% Mar 60% Apr 48% May 12% Jun 67% Jul 40% Aug 52% Sep 52% Oct 48% Nov 36% Dec share of coin-months that closed higher, ETH BNB XRP SOL DOGE ADA (46-52 per calendar month)

Binance monthly candles. June closed higher in 6 of 49 coin-months, but it is nine Junes and no coin passed the test of a best or worst month.

Source: Edge or Not - best month for altcoins test · data CC BY 4.0 · edgeornot.com