Found 2 биржи where OpenVPP is traded for ETH. According to the data on 11 October the most optimal price to exchange OVPP for ETH is Ξ0 for 1 OpenVPP. This rate is fixed at Bilaxy at the maximum trading volume of the pair OVPP/ETH - 17.9 ETH.
The maximum daily trading volume is observed in the OVPP/WETH trading pair at Uniswap (v2) and reaches Ξ 216.93 (1,112.33% of the exchange's total trading volumes) at the price Ξ 0 per 1 OVPP.
The minimum price to buy OVPP for ETH is 0 - on the exchange Bilaxy.