asof_date - EventVestor's timestamp of event capture
fiscal_period - fiscal period for the reported earnings, such as 1Q 15, 2Q 15, etc.
calendar_period - identifies the calendar period based on the fiscal period end date. E.g. if the fiscal period ends any time after the middle of a given calendar quarter, like 1Q 15, that calendar quarter will be assigned regardless of the fiscal quarter
revenue - revenue in millions
gross_income - gross income in millions
operating_income - operating income in millions
net_income - net income in millions
eps - earnings per share, in the reported currency