big price differences are very rare and only happen during ridiculous volatility periods. otherwise $100 difference for bitcoin which is only 1% doesn't happen. for example price difference between Coinbase, Bitstamp, Bitfinex and Kraken is less than $10 (0.1%) which is normal in any other market too.
besides people don't care about these price differences unless they are doing arbitrage trading between these exchanges. and they fetch the price directly from the exchange API instead of relying on another site that updates the price too late (with delays). so for instance the only usage a site like coinmarketcap.com has is to tell us which coin is listed where and give us additional links such as their explorer link,...
besides people don't care about these price differences unless they are doing arbitrage trading between these exchanges. and they fetch the price directly from the exchange API instead of relying on another site that updates the price too late (with delays). so for instance the only usage a site like coinmarketcap.com has is to tell us which coin is listed where and give us additional links such as their explorer link,...
Alright, thank you for the info.