Delete row ('1571', '20487') from daily_volatility

ticker_id 1571
day 20487
implied_open 0.2111309546229543
implied_high 0.2174807577695094
implied_low 0.2079560530496768
implied_close 0.2111309546229543
historical_open 0.1492203739440429
historical_high 0.1492203739440429
historical_low 0.1492203739440429
historical_close 0.1492203739440429
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