Delete row ('1658', '20690') from daily_volatility

ticker_id 1658
day 20690
implied_open 0.7937253933193773
implied_high 0.8286493106254299
implied_low 0.6857787398279419
implied_close 0.7873755901728222
historical_open 0.9731073322095565
historical_high 0.9731073322095565
historical_low 0.9731073322095565
historical_close 0.9731073322095565
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