Calix Inc. revised earnings guidance for the fourth quarter of 2013. The company also announced that preliminary estimates for revenue and non-GAAP earnings per share would be below previous guidance for the fourth quarter of 2013. Preliminary estimates for the fourth quarter are for revenue to be in the range of $93.5 to $94.5 million and non-GAAP earnings per share of 2 to 4 cents per share.

On October 29, 2013, the company provided guidance for the fourth quarter ending December 31, 2013 for revenue between $97 and $103 million and non-GAAP earnings to range between per share of 3 to 8 cents per share. The revised estimates for the fourth quarter reflect a greater than anticipated decline in traditional year-end ‘budget flush' customer spending patterns than the company historically has experienced.