Delete row ('9', '20482') from daily_volatility

ticker_id 9
day 20482
implied_open 0.2825662400216983
implied_high 0.3016156494613633
implied_low 0.2825662400216983
implied_close 0.2984407478880858
historical_open 0.2158933069828706
historical_high 0.2158933069828706
historical_low 0.2158933069828706
historical_close 0.2158933069828706
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