New Trading Platform OneChronos Brings AI Auctions to Stocks

A new trading platform operated by OneChronos Markets LLC will let institutional investors bid for equities in an automated auction, an effort to disrupt the ages-old system for buying and selling stocks.

OneChronos started this month with Bank of Montreal, Jefferies Financial Group Inc. and more than a dozen other broker-dealers signed on. The New York-based firm’s technology enables potential buyers to dictate what they think the value of a portfolio or large quantity of stocks is at a given time, known as an “expressive” bid.

“Our system gives investors a greater level of control and detail over how ...