Longtime financial expert Leon Cooperman remains optimistic on the U.S. market, he said Monday.

Cooperman, chairman and CEO of Omega Advisors, told CNBC’s “Fast Money: Halftime Report” that there is much to be optimistic about in the U.S. stock market.

“We feel pretty comfortable,” Cooperman said, adding that “I’ve been far too cautious on bonds, but believe me they make no sense at this level of return.”

Leon Cooperman's Energy Picks, Economic Concerns & More [VIDEOS]

Leon Cooperman: I don’t see a lot of excesses in market

Cooperman’s economic concern

Omega Advisors’ Leon Cooperman discusses the health of the current economic expansion. He explains why he thinks the multiple will be constrained on the market.

Cooperman’s correction checklist

Omega Advisors’ Leon Cooperman analyzes current economic data, saying he expects the market to end the year higher than it is today.

Cooperman’s energy picks

Omega Advisors’ Leon Cooperman, discusses his take on the energy sector and low oil prices.