there was 20 seconds tops between the two. And only $40 difference, probably not enough to make up for fees unless they are the casino.
Must be nice being able to use 20 million dollars to make a million more in like 10 minutes no sweat
Discussion
Which app/wallet are you using that displays the logos of various exchanges all together. Bitcoinity shows only 1 exchange at a time. GDAX/Coinbase is the biggest volume.
Screenshots is from https://aggr.trade/
Another one is https://okotoki.com/