Delete row ('1321', '20287') from daily_volatility

ticker_id 1321
day 20287
implied_open 0.9461206688366977
implied_high 1.054067322328133
implied_low 0.8429363677051787
implied_close 0.9381834149035039
historical_open 1.008031249515609
historical_high 1.008031249515609
historical_low 1.008031249515609
historical_close 1.008031249515609
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