Delete row ('2762', '20340') from daily_volatility

ticker_id 2762
day 20340
implied_open 0.1254086121444616
implied_high 0.1285835137177391
implied_low 0.1190588089979066
implied_close 0.1222337105711841
historical_open 0.1079466534914353
historical_high 0.1079466534914353
historical_low 0.1079466534914353
historical_close 0.1079466534914353
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