Delete row ('1658', '20488') from daily_volatility

ticker_id 1658
day 20488
implied_open 0.6699042319615544
implied_high 0.7476893205068534
implied_low 0.633392863868863
implied_close 0.7032406984809682
historical_open 0.4905222930713751
historical_high 0.4905222930713751
historical_low 0.4905222930713751
historical_close 0.4905222930713751
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