Delete row ('2766', '20116') from daily_volatility

ticker_id 2766
day 20116
implied_open 0.2063686022630381
implied_high 0.2095435038363156
implied_low 0.1936689959699281
implied_close 0.1936689959699281
historical_open 0.2143058561962319
historical_high 0.2143058561962319
historical_low 0.2143058561962319
historical_close 0.2143058561962319
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