Delete row ('1876', '20648') from daily_volatility

ticker_id 1876
day 20648
implied_open 0.627043060722308
implied_high 0.627043060722308
implied_low 0.6079936512826429
implied_close 0.6127560036425592
historical_open 0.7270524602805495
historical_high 0.7270524602805495
historical_low 0.7270524602805495
historical_close 0.7270524602805495
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