Delete row ('40', '20265') from daily_volatility

ticker_id 40
day 20265
implied_open 0.2127184054095931
implied_high 0.2174807577695094
implied_low 0.2047811514763993
implied_close 0.2127184054095931
historical_open 0.3222525096876671
historical_high 0.3222525096876671
historical_low 0.3222525096876671
historical_close 0.3222525096876671
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