Delete row ('1398', '20734') from daily_volatility

ticker_id 1398
day 20734
implied_open 0.5032218993644851
implied_high 0.5206838580175115
implied_low 0.4873473914980976
implied_close 0.4921097438580139
historical_open 0.3159027065411121
historical_high 0.3159027065411121
historical_low 0.3159027065411121
historical_close 0.3159027065411121
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