Delete row ('2765', '20397') from daily_volatility

ticker_id 2765
day 20397
implied_open 0.1555701770905979
implied_high 0.1555701770905979
implied_low 0.1381082184375716
implied_close 0.1381082184375716
historical_open 0.1301709645043779
historical_high 0.1301709645043779
historical_low 0.1301709645043779
historical_close 0.1301709645043779
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