Delete row ('1068', '20206') from daily_volatility

ticker_id 1068
day 20206
implied_open 0.5063968009377626
implied_high 0.5254462103774277
implied_low 0.5063968009377626
implied_close 0.5127466040843177
historical_open 0.8270618598387911
historical_high 0.8270618598387911
historical_low 0.8270618598387911
historical_close 0.8270618598387911
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