Found 3 exchanges where Stellar is traded for ETH. According to the data on 5 September the most optimal price to exchange XLM for ETH is Ξ0.000073 for 1 Stellar. This rate is fixed at Vindax at the maximum trading volume of the pair XLM/ETH - 199.1 ETH.
The maximum daily trading volume is observed in the XLM/KRW trading pair at Upbit and reaches Ξ 5 519.5 (6.76% of the exchange's total trading volumes) at the price Ξ 0.000077 per 1 XLM.
The minimum price to buy XLM for ETH is 0.000073 - on the exchange Byte Exchange.
The maximum price to buy XLM/ETH is 0.000072 - on the exchange Bitrue.
Warning: some XLM markets show an abnormally wide spread — those quotes may be unreliable (thin liquidity or off-market trades). Cross-check the volume against several venues.