Delete row ('2770', '20643') from daily_volatility

ticker_id 2770
day 20643
implied_open 0.2936783955281695
implied_high 0.2984407478880858
implied_low 0.2809787892350595
implied_close 0.2825662400216983
historical_open 0.3032031002480021
historical_high 0.3032031002480021
historical_low 0.3032031002480021
historical_close 0.3032031002480021
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