public LocalDate getTradeDate(Earning earning) {
ANNCMT_TIME anncmtTime = earning.getAnncmtTime();
switch (anncmtTime) {
case AFTER_CLOSE:
return earning.getDate();
case BEFORE_OPEN:
return getPreviousTradingDate(earning);
case DURING_MKT_HRS:
return getPreviousTradingDate(earning);
default:
return null;
}
}
