Delete row ('2770', '20664') from daily_volatility

ticker_id 2770
day 20664
implied_open 0.3190776081143896
implied_high 0.3254274112609447
implied_low 0.3174901573277509
implied_close 0.3222525096876671
historical_open 0.2698666337285883
historical_high 0.2698666337285883
historical_low 0.2698666337285883
historical_close 0.2698666337285883
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