Delete row ('635', '20252') from daily_volatility

ticker_id 635
day 20252
implied_open 0.6587920764550831
implied_high 0.7349897142137433
implied_low 0.6302179622955855
implied_close 0.6699042319615544
historical_open 0.9270712593970326
historical_high 0.9270712593970326
historical_low 0.9270712593970326
historical_close 0.9270712593970326
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