Delete row ('1867', '20675') from daily_volatility

ticker_id 1867
day 20675
implied_open 0.7461018697202146
implied_high 0.8619857771448437
implied_low 0.7127654032008007
implied_close 0.769913631519796
historical_open 0.7826132378129059
historical_high 0.7826132378129059
historical_low 0.7826132378129059
historical_close 0.7826132378129059
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