Delete row ('2387', '20284') from daily_volatility

ticker_id 2387
day 20284
implied_open 0.4413113186855737
implied_high 0.4476611218321287
implied_low 0.4349615155390187
implied_close 0.4413113186855737
historical_open 0.2809787892350595
historical_high 0.2809787892350595
historical_low 0.2809787892350595
historical_close 0.2809787892350595
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