Delete row ('9', '20210') from daily_volatility

ticker_id 9
day 20210
implied_open 0.3397144683406934
implied_high 0.3397144683406934
implied_low 0.277803887661782
implied_close 0.2889160431682533
historical_open 0.6540297240951668
historical_high 0.6540297240951668
historical_low 0.6540297240951668
historical_close 0.6540297240951668
Cancel