Delete row ('193', '20580') from daily_volatility

ticker_id 193
day 20580
implied_open 0.8127748027590423
implied_high 0.8127748027590423
implied_low 0.5317960135239828
implied_close 0.5762446355498678
historical_open 0.7111779524141619
historical_high 0.7111779524141619
historical_low 0.7111779524141619
historical_close 0.7111779524141619
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