Delete row ('9', '20412') from daily_volatility

ticker_id 9
day 20412
implied_open 0.2460548719290069
implied_high 0.2682791829419495
implied_low 0.2206556593427869
implied_close 0.2635168305820332
historical_open 0.2492297735022844
historical_high 0.2492297735022844
historical_low 0.2492297735022844
historical_close 0.2492297735022844
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