HollyFrontier (HFC) Gives Gloomy Throughput Forecast for Q4 Posted byZacks Equity Research January 5, 2022 Leave a comment on HollyFrontier (HFC) Gives Gloomy Throughput Forecast for Q4 HollyFrontier (HFC) has pegged average throughput for the three months ended Dec 31 at approximately 420,000 barrels per day.