Delete row ('40', '20563') from daily_volatility

ticker_id 40
day 20563
implied_open 0.3857505411532173
implied_high 0.4127372045260762
implied_low 0.3857505411532173
implied_close 0.4016250490196049
historical_open 0.3841630903665786
historical_high 0.3841630903665786
historical_low 0.3841630903665786
historical_close 0.3841630903665786
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