Delete row ('9', '20348') from daily_volatility

ticker_id 9
day 20348
implied_open 0.2254180117027031
implied_high 0.2270054624893419
implied_low 0.2127184054095931
implied_close 0.2127184054095931
historical_open 0.2492297735022844
historical_high 0.2492297735022844
historical_low 0.2492297735022844
historical_close 0.2492297735022844
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