export interface ExchangeMarketHours {
    exchange: string;
    name: string;
    openingHour: string;
    closingHour: string;
    timezone: string;
    isMarketOpen: boolean;
}
export interface HolidayByExchange {
    exchange: string;
    date: string;
    name: string;
    isClosed: boolean;
    adjOpenTime: string | null;
    adjCloseTime: string | null;
}