Delete row ('2757', '20550') from daily_volatility

ticker_id 2757
day 20550
implied_open 0.1968438975432056
implied_high 0.2206556593427869
implied_low 0.1968438975432056
implied_close 0.2174807577695094
historical_open 0.1698572341703467
historical_high 0.1698572341703467
historical_low 0.1698572341703467
historical_close 0.1698572341703467
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