Delete row ('40', '20726') from daily_volatility

ticker_id 40
day 20726
implied_open 0.5000469977912076
implied_high 0.5175089564442339
implied_low 0.5000469977912076
implied_close 0.5095717025110401
historical_open 0.3889254427264949
historical_high 0.3889254427264949
historical_low 0.3889254427264949
historical_close 0.3889254427264949
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