Sales jumped 15% from a year earlier in the third quarter, while Snap's net loss narrowed to $153 million from $368 million a year prior.

Fourth-quarter sales will be between $1.51 billion and $1.56 billion. The midpoint of its guidance is $1.54 billion, which is below the average analyst estimate of $1.56 billion. Snap said its adjusted earnings for the fourth quarter will be between $210 million and $260 million. The middle of the range is higher than analysts' estimates of $230.7 million.