Delete row ('2631', '20349') from daily_volatility

ticker_id 2631
day 20349
implied_open 0.7984877456792935
implied_high 0.8207120566922361
implied_low 0.7778508854529897
implied_close 0.814362253545681
historical_open 0.9223089070371163
historical_high 0.9223089070371163
historical_low 0.9223089070371163
historical_close 0.9223089070371163
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