Polkadot to U.S. dollar cryptomarkets exchange rates

Stock ex.	Price	max/min(24h)	change(24h/7d)	Trad.vol.(24h)
Coinbase	0.845	0.866 0.834	-2.49% -4.41%	955.1 thsnd.
Kraken	0.845	0.859 0.834	-2.45% -4.49%	341.1 thsnd.
Bitfinex Start a wallet	0.846	0.867 0.833	-2.48% -4.51%	81.8 thsnd.
cryptomarkets.market_9	0.845	0.867 0.835	-2.60% -3.76%	36.0 thsnd.
cryptomarkets.market_12	0.820	0.833 0.751	0.00%  0.00%	605