DELETE FROM exchange_holidays WHERE tradeDate = '2025-12-31' AND exchangeCode = 'JaS';
DELETE FROM exchange_holidays WHERE tradeDate = '2025-12-31' AND exchangeCode = 'TkS';
DELETE FROM exchange_holidays WHERE tradeDate = '2025-12-31' AND exchangeCode = 'SeS';
DELETE FROM exchange_holidays WHERE tradeDate = '2025-12-31' AND exchangeCode = 'MnS';
DELETE FROM exchange_holidays WHERE tradeDate = '2025-12-31' AND exchangeCode = 'BkS';
