Delete row ('9', '20727') from daily_volatility

ticker_id 9
day 20727
implied_open 0.2619293797953945
implied_high 0.2698666337285883
implied_low 0.2031937006897606
implied_close 0.2555795766488395
historical_open 0.2333552656358969
historical_high 0.2333552656358969
historical_low 0.2333552656358969
historical_close 0.2333552656358969
Cancel