Delete row ('2770', '20672') from daily_volatility

ticker_id 2770
day 20672
implied_open 0.2857411415949758
implied_high 0.2873285923816146
implied_low 0.277803887661782
implied_close 0.2825662400216983
historical_open 0.2873285923816146
historical_high 0.2873285923816146
historical_low 0.2873285923816146
historical_close 0.2873285923816146
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