Delete row ('9', '20542') from daily_volatility

ticker_id 9
day 20542
implied_open 0.3206650589010284
implied_high 0.3286023128342221
implied_low 0.3159027065411121
implied_close 0.3254274112609447
historical_open 0.2428799703557294
historical_high 0.2428799703557294
historical_low 0.2428799703557294
historical_close 0.2428799703557294
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