Delete row ('9', '20521') from daily_volatility

ticker_id 9
day 20521
implied_open 0.2920909447415308
implied_high 0.3111403541811958
implied_low 0.2682791829419495
implied_close 0.2730415353018658
historical_open 0.2603419290087557
historical_high 0.2603419290087557
historical_low 0.2603419290087557
historical_close 0.2603419290087557
Cancel