Delete row ('2687', '20585') from daily_volatility

ticker_id 2687
day 20585
implied_open 0.8556359739982887
implied_high 0.8556359739982887
implied_low 0.7984877456792935
implied_close 0.8159497043323198
historical_open 0.8032500980392098
historical_high 0.8032500980392098
historical_low 0.8032500980392098
historical_close 0.8032500980392098
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