Delete row ('2770', '20327') from daily_volatility

ticker_id 2770
day 20327
implied_open 0.1952564467565668
implied_high 0.1952564467565668
implied_low 0.187319192823373
implied_close 0.1889066436100118
historical_open 0.1841442912500955
historical_high 0.1841442912500955
historical_low 0.1841442912500955
historical_close 0.1841442912500955
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