Found 2 exchanges where Gram (prev. Toncoin) is traded for BTC. According to the data on 25 August the most optimal price to exchange TON for BTC is ₿0.000017 for 1 Gram (prev. Toncoin). This rate is fixed at CoinEx at the maximum trading volume of the pair TON/BTC - 0.1 BTC.
The Gram (prev. Toncoin) quotes table was updated —
Selling and buying Gram (prev. Toncoin) (TON) for Bitcoin
To buy Gram (prev. Toncoin), use the table above.
The maximum daily trading volume is observed in the TON/USDT trading pair at Bybit and reaches ₿ 111.29 (0.455% of the exchange's total trading volumes) at the price ₿ 0.000019 per 1 TON.
The minimum price to buy TON for BTC is 0.000018 - on the exchange Upbit.
The maximum price to buy TON/BTC is 0.000017 - on the exchange CoinEx.
Warning: some TON markets show an abnormally wide spread — those quotes may be unreliable (thin liquidity or off-market trades). Cross-check the volume against several venues.