Delete row ('331', '20545') from daily_volatility

ticker_id 331
day 20545
implied_open 1.104865747500573
implied_high 1.152489271099736
implied_low 1.104865747500573
implied_close 1.117565353793683
historical_open 0.9445332180500589
historical_high 0.9445332180500589
historical_low 0.9445332180500589
historical_close 0.9445332180500589
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