Delete row ('1186', '20733') from daily_volatility

ticker_id 1186
day 20733
implied_open 0.530208562737344
implied_high 0.898497145237535
implied_low 0.2666917321553107
implied_close 0.2698666337285883
historical_open 0.1857317420367343
historical_high 0.1857317420367343
historical_low 0.1857317420367343
historical_close 0.1857317420367343
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