Delete row ('601', '20733') from daily_volatility

ticker_id 601
day 20733
implied_open 0.7667387299465185
implied_high 0.7842006885995447
implied_low 0.7540391236534084
implied_close 0.7794383362396284
historical_open 0.6651418796016381
historical_high 0.6651418796016381
historical_low 0.6651418796016381
historical_close 0.6651418796016381
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