Found 2 exchanges where Rainbow is traded. As of 7 September, the best price to buy Rainbow — Ξ0.000011 — is on Coinbase Pro, the venue with the highest trading volume for the RNBW/USD pair (259.7 ETH).
The maximum daily trading volume is observed in the RNBW/USD trading pair at Coinbase Pro and reaches Ξ 259.67 (0.0272% of the exchange's total trading volumes) at the price Ξ 0.000011 per 1 RNBW.