The average asking price for tickets to the Rangers-Penguins NHL playoff series are the most expensive of any in the first round, according to TiqIQ.com, which monitors the secondary market.

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For games at Madison Square Garden, the average as of Sunday night was $655.52. For Game 1 on Thursday, the average was $501.04, with a low of $242.

The average asking price for Islanders home games against the Capitals was $409.55. For Game 3 on Sunday at Nassau Coliseum, it was $359.81, with a low of $37. Game 4 on Tuesday, April 21 -- potentially the final game at Nassau Coliseum -- has an average asking price of $330.42, with a low of $141.