List of top Optimism Ecosystem coins by market cap. The current Optimism Ecosystem coin market cap is $17.44B , which has changed by -3.75% in the past 24 hours; the Optimism Ecosystem coin trading volume is $70.65M, which has changed by +0.03% in the past 24 hours. There are 151 cryptocurrencies in the Optimism Ecosystem coin list today.