Found 2 биржи where Tectum is traded for ETH. According to the data on 1 June the most optimal price to exchange TET for ETH is Ξ0 for 1 Tectum. This rate is fixed at Bilaxy at the maximum trading volume of the pair TET/ETH - 21.7 ETH.
The maximum daily trading volume is observed in the TET/ETH trading pair at Bilaxy and reaches Ξ 21.65 (471.49% of the exchange's total trading volumes) at the price Ξ 0 per 1 TET.