Glossary/F Period

F Period

What is F Period?

F period is the sixth 30 minutes of the trading day, from 12:00-12:30 PM EST. F period forms the second half of the 'Twilight Zone', where Europe is closed and US is out to lunch. There can often be slow market activity during this time.

Explore in the Session Lab

See how F Period plays out in real market data with our daily session analysis tools.

Open Session LabAccess Dataset
E PeriodG Period