Two stocks or two coins race for a few hoursBack the one you think runs fasterThe whole time it's ahead, you win money from the other side; while it's behind, they win from you
ETH vs BTC for 2 hours · you put $20 on ETH, someone puts $20 on BTC
At full speed (a lead of 0.30% or more) $5 moves to the side ahead every 30 minutes