Delete row ('2728', '20735') from daily_volatility

ticker_id 2728
day 20735
implied_open 0.4555983757653225
implied_high 1.085816338060908
implied_low 0.4555983757653225
implied_close 1.085816338060908
historical_open 0.2460548719290069
historical_high 0.2460548719290069
historical_low 0.2460548719290069
historical_close 0.2460548719290069
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