Delete row ('1953', '20270') from daily_volatility

ticker_id 1953
day 20270
implied_open 0.277803887661782
implied_high 0.277803887661782
implied_low 0.2492297735022844
implied_close 0.2539921258622007
historical_open 0.1571576278772367
historical_high 0.1571576278772367
historical_low 0.1571576278772367
historical_close 0.1571576278772367
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