Delete row ('2721', '20733') from daily_volatility

ticker_id 2721
day 20733
implied_open 0.5952940449895329
implied_high 1.203287696272176
implied_low 0.5413207182438152
implied_close 0.601643848136088
historical_open 0.7334022634271045
historical_high 0.7334022634271045
historical_low 0.7334022634271045
historical_close 0.7334022634271045
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