Philip Messing, Kirstan Conley and Sophia Rosenbaum | The New York Post

The protesters are seeing red — but cops are seeing green.

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NYPD officers have collected “several million dollars” in overtime because of the flood of activists clogging city streets to demonstrate against pro-cop grand-jury decisions in New York and Ferguson, Mo., law-enforcement officials told The Post.

“It’s a good time of year to get it,” one law-enforcement source said.

“If [the protesters] want to pay me so I can make sure all my Christmas bills are paid, that’s fine with me,” said another.

Officers on time-and-a-half pay from commands across the city were pulled into Manhattan to follow around the agitators — who Police Commissioner Bill Bratton said are “wandering aimlessly” and just looking for “a night out.”

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But while some cops are clocking more than 16 hour days — starting at 7 a.m. and not getting off until almost midnight — most aren’t complaining because of the hefty holiday paychecks.

—Continue reading.

Watch cops getting paid for overtime as activists chant and hold signs.