OLXA coin is listed on 8 Decent Exchange:
ForkDelta, ExKnox, DexDelta, Ethermium, Probitex, BEX, BTC24, TradeKainos.
and more exchanges to be listed on in 2019 (OLXA YEAR)
None of these exchanges can provide trading volume. According to coinmarketcap the trade volume in the past 24 hours is only 2000 dollar.