Delete row ('9', '20209') from daily_volatility

ticker_id 9
day 20209
implied_open 0.3413019191273322
implied_high 0.3508266238471647
implied_low 0.3317772144074996
implied_close 0.3349521159807772
historical_open 0.646092470161973
historical_high 0.646092470161973
historical_low 0.646092470161973
historical_close 0.646092470161973
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