Delete row ('2762', '20686') from daily_volatility

ticker_id 2762
day 20686
implied_open 0.1587450786638754
implied_high 0.1603325294505142
implied_low 0.1492203739440429
implied_close 0.1492203739440429
historical_open 0.1968438975432056
historical_high 0.1968438975432056
historical_low 0.1968438975432056
historical_close 0.1968438975432056
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