Delete row ('189', '20692') from daily_volatility

ticker_id 189
day 20692
implied_open 0.8127748027590423
implied_high 0.8810351865845087
implied_low 0.7080030508408844
implied_close 0.7810257870262672
historical_open 0.9572328243431689
historical_high 0.9572328243431689
historical_low 0.9572328243431689
historical_close 0.9572328243431689
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