Delete row ('1321', '20621') from daily_volatility

ticker_id 1321
day 20621
implied_open 0.9842194877160277
implied_high 1.027080658955274
implied_low 0.9540579227698914
implied_close 1.027080658955274
historical_open 1.123915156940238
historical_high 1.123915156940238
historical_low 1.123915156940238
historical_close 1.123915156940238
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