Delete row ('2757', '20217') from daily_volatility

ticker_id 2757
day 20217
implied_open 0.2143058561962319
implied_high 0.2143058561962319
implied_low 0.1666823325970692
implied_close 0.1936689959699281
historical_open 0.3651136809269135
historical_high 0.3651136809269135
historical_low 0.3651136809269135
historical_close 0.3651136809269135
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