Steve Promnitz, managing director of junior lithium miner Lake Resources, has brushed off concerns of oversupply in the lithium market and says a lack of transparency is masking true pricing and demand in the market.

Mr Promnitz, a former Rio Tinto geologist and Citi investment banker, said that when concerns about oversupply took hold over the past two years, the story was perpetuated as hedge funds started short on lithium stocks.