Delete row ('2387', '20668') from daily_volatility

ticker_id 2387
day 20668
implied_open 0.9381834149035039
implied_high 1.120740255366961
implied_low 0.9350085133302264
implied_close 0.9953316432224991
historical_open 1.200112794698898
historical_high 1.200112794698898
historical_low 1.200112794698898
historical_close 1.200112794698898
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