Delete row ('2305', '20340') from daily_volatility

ticker_id 2305
day 20340
implied_open 0.5143340548709564
implied_high 0.6254556099356692
implied_low 0.4714728836317101
implied_close 0.5873567910563391
historical_open 0.723877558707272
historical_high 0.723877558707272
historical_low 0.723877558707272
historical_close 0.723877558707272
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