Found 9 exchanges where Monero is traded for BTC. According to the data on 9 August the most optimal price to exchange XMR for BTC is ₿0.0058 for 1 Monero. This rate is fixed at KuCoin at the maximum trading volume of the pair XMR/BTC - 63.4 BTC.
The maximum daily trading volume is observed in the XMR/USDT trading pair at KuCoin and reaches ₿ 677.97 (4.41% of the exchange's total trading volumes) at the price ₿ 0.0059 per 1 XMR.
The minimum price to buy XMR for BTC is 0.0058 - on the exchange Bitcoin.com.
The maximum price to buy XMR/BTC is 0.0059 - on the exchange SafeTrade.