Delete row ('1544', '20165') from daily_volatility

ticker_id 1544
day 20165
implied_open 0.2143058561962319
implied_high 0.2285929132759806
implied_low 0.2143058561962319
implied_close 0.2206556593427869
historical_open 0.2031937006897606
historical_high 0.2031937006897606
historical_low 0.2031937006897606
historical_close 0.2031937006897606
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