Delete row ('1429', '20727') from daily_volatility

ticker_id 1429
day 20727
implied_open 0.2333552656358969
implied_high 0.3587638777803585
implied_low 0.2063686022630381
implied_close 0.2666917321553107
historical_open 0.1841442912500955
historical_high 0.1841442912500955
historical_low 0.1841442912500955
historical_close 0.1841442912500955
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