Delete row ('9', '20143') from daily_volatility

ticker_id 9
day 20143
implied_open 0.2174807577695094
implied_high 0.2349427164225357
implied_low 0.2143058561962319
implied_close 0.2238305609160644
historical_open 0.2952658463148083
historical_high 0.2952658463148083
historical_low 0.2952658463148083
historical_close 0.2952658463148083
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