Found 2 exchanges where GMT is traded for BTC. According to the data on 16 July the most optimal price to exchange GMT for BTC is ₿0.00000012 for 1 GMT. This rate is fixed at Upbit Indonesia at the maximum trading volume of the pair GMT/BTC - 0 BTC.
The maximum daily trading volume is observed in the GMT/USDT trading pair at BitDelta and reaches ₿ 16.63 (0.838% of the exchange's total trading volumes) at the price ₿ 0.00000012 per 1 GMT.
The minimum price to buy GMT for BTC is 0.00000012 - on the exchange Upbit Indonesia.
The maximum price to buy GMT/BTC is 0.00000012 - on the exchange Upbit.
Внимание: у части рынков GMT аномально широкий спред — такие котировки могут быть ненадёжными (низкая ликвидность или нерыночные сделки). Сверяйтесь с объёмом и несколькими площадками.