Found 3 exchanges where Ethena is traded for BTC. According to the data on 28 August the most optimal price to exchange ENA for BTC is ₿0.000002 for 1 Ethena. This rate is fixed at WhiteBIT at the maximum trading volume of the pair ENA/BTC - 13.2 BTC.
The maximum daily trading volume is observed in the ENA/USDT trading pair at WEEX and reaches ₿ 12 003.91 (39.55% of the exchange's total trading volumes) at the price ₿ 0.000002 per 1 ENA.
The minimum price to buy ENA for BTC is 0.0000018 - on the exchange Upbit.
The maximum price to buy ENA/BTC is 0.000002 - on the exchange WhiteBIT.
Warning: some ENA markets show an abnormally wide spread — those quotes may be unreliable (thin liquidity or off-market trades). Cross-check the volume against several venues.