Delete row ('9', '20144') from daily_volatility

ticker_id 9
day 20144
implied_open 0.2301803640626194
implied_high 0.2460548719290069
implied_low 0.2254180117027031
implied_close 0.2397050687824519
historical_open 0.2936783955281695
historical_high 0.2936783955281695
historical_low 0.2936783955281695
historical_close 0.2936783955281695
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