hedge your bets
US /hɛdʒ yʊər bɛts/
UK /hɛdʒ yʊər bɛts/

1.
cubrirse las espaldas, diversificar el riesgo
to reduce your risk of loss by trying to ensure that you will benefit whatever happens
:
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It's always wise to hedge your bets when investing in volatile markets.
Siempre es prudente cubrirse las espaldas al invertir en mercados volátiles.
•
She decided to apply to several universities to hedge her bets.
Decidió postular a varias universidades para cubrirse las espaldas.