Found 3 exchanges where Origin Token is traded for BTC. According to the data on 27 August the most optimal price to exchange OGN for BTC is ₿0.00000024 for 1 Origin Token. This rate is fixed at Upbit at the maximum trading volume of the pair OGN/BTC - 0.1 BTC.
The maximum daily trading volume is observed in the OGN/TRY trading pair at BtcTurk PRO and reaches ₿ 5.81 (0.335% of the exchange's total trading volumes) at the price ₿ 0.00000023 per 1 OGN.
The minimum price to buy OGN for BTC is 0.00000023 - on the exchange KuCoin.
The maximum price to buy OGN/BTC is 0.00000024 - on the exchange Upbit.