Live reference rate
The current SUM/USD reference value is presented on the SumcoinPrice dashboard and updated from the Sumcoin market-data feed.

The Sumcoin Index provides the reference value used for SUM pricing. SumcoinPrice presents that value alongside historical market information so the current quote can be understood in context.
Market information is observed from the broader cryptocurrency environment.
The index produces the reference value used to represent SUM.
SumcoinPrice publishes the resulting value with historical and market context.
A cryptocurrency traded primarily through a single exchange can become closely tied to the liquidity, availability and behavior of that venue. An index-based approach is intended to provide a reference value that is not defined solely by one trading location.
That distinction matters because the blockchain and the currency can continue to function whether or not a particular exchange is available.
The current SUM/USD reference value is presented on the SumcoinPrice dashboard and updated from the Sumcoin market-data feed.
Historical SUM/USD and SUM/BTC data allow the current index value to be viewed against prior market conditions.
Price, market capitalization, supply, volume and comparative performance provide context that a standalone quote cannot.