It looks like intervention in the won to slow its fall (USD/KRW selling)Dealer chatter is South Korean authorities intervening to sell USD/KRW USD/KRW:
Source: It looks like intervention in the won to slow its fall (USD/KRW selling) (https://www.forexlive.com/centralbank/it-looks-like-intervention-in-the-won-to-slow-its-fall-usdkrw-selling-20220427/)
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