Delete row ('1803', '20724') from daily_volatility

ticker_id 1803
day 20724
implied_open 0.7651512791598797
implied_high 0.8746853834379538
implied_low 0.7540391236534084
implied_close 0.8429363677051787
historical_open 0.7461018697202146
historical_high 0.7461018697202146
historical_low 0.7461018697202146
historical_close 0.7461018697202146
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