Delete row ('404', '20650') from daily_volatility

ticker_id 404
day 20650
implied_open 0.168269783383708
implied_high 0.168269783383708
implied_low 0.1587450786638754
implied_close 0.1635074310237917
historical_open 0.1523952755173204
historical_high 0.1523952755173204
historical_low 0.1523952755173204
historical_close 0.1523952755173204
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