TiqIQ, a resale ticket tracking company, says average list prices in both Chicago and New York have made for the most expensive league championship series ticket since the company began tracking in 2010.

The Mets will host the Cubs in Game 1 of the NLCS on Saturday.

The average ticket being sold on the secondary market at CitiField for games 1, 2, 6 and 7 is $838.40, while tickets at Wrigley Field are averaging $1,228.16.

The previous highest league championship series average since 2010, according to TiqIQ records, was for the San Francisco Giants in 2012, with an average ticket price of $662.64.