{"id":52405,"date":"2026-08-21T07:59:05","date_gmt":"2026-08-21T07:59:05","guid":{"rendered":"https:\/\/www.vtmarkets.com\/pt-latam\/uncategorized\/usdx-slides-as-treasury-buyback-shifts-market-sentiment\/"},"modified":"2026-08-21T07:59:05","modified_gmt":"2026-08-21T07:59:05","slug":"usdx-slides-as-treasury-buyback-shifts-market-sentiment","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/pt-latam\/analysis\/usdx-slides-as-treasury-buyback-shifts-market-sentiment\/","title":{"rendered":"USDX cai enquanto recompra de t\u00edtulos do Tesouro muda o sentimento do mercado"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.vtmarkets.com\/wp-content\/uploads\/2026\/07\/usdx-2.webp\" alt=\"usdx\" class=\"wp-image-62430\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Pontos <\/strong><strong>principais:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>O d\u00f3lar americano perdeu for\u00e7a ap\u00f3s o Tesouro dos EUA anunciar a amplia\u00e7\u00e3o de recompras de t\u00edtulos do governo com vencimentos longos.<\/li>\n\n\n\n<li>A queda dos juros (rendimentos) dos Treasuries de longo prazo pressionou o d\u00f3lar, enquanto investidores reavaliaram o cen\u00e1rio para ativos dos EUA.<\/li>\n\n\n\n<li>O plano de recompra aumentou d\u00favidas sobre o comportamento futuro dos juros; alguns estrategistas veem a medida como negativa para o sentimento em rela\u00e7\u00e3o ao d\u00f3lar.<\/li>\n\n\n\n<li>O USDX \u00e9 negociado perto de <strong>98,68<\/strong> ap\u00f3s cair em dire\u00e7\u00e3o \u00e0s m\u00ednimas recentes, com traders atentos se o \u00edndice consegue se estabilizar.<\/li>\n\n\n\n<li>O mercado monitora a comunica\u00e7\u00e3o do Federal Reserve, as condi\u00e7\u00f5es do mercado de Treasuries e os pr\u00f3ximos dados econ\u00f4micos para definir a dire\u00e7\u00e3o.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">O USDX voltou a ficar sob press\u00e3o depois que o Tesouro dos EUA anunciou a amplia\u00e7\u00e3o de recompras de t\u00edtulos com vencimentos longos. Isso levou investidores a reavaliar a trajet\u00f3ria dos juros dos Treasuries \u2014 que s\u00e3o os t\u00edtulos do governo americano \u2014 e do pr\u00f3prio d\u00f3lar.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-x wp-block-embed-x\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">The dollar tumbled by the most in three weeks to its weakest level since mid-May after the bond market rallied on the US Treasury Department\u2019s unexpected announcement that it is increasing buybacks of long-dated bonds. <a href=\"https:\/\/t.co\/v6jPvErNz9\">https:\/\/t.co\/v6jPvErNz9<\/a><\/p>&mdash; Bloomberg (@business) <a href=\"https:\/\/x.com\/business\/status\/2090131714349662634?ref_src=twsrc%5Etfw\">August 19, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">O an\u00fancio de recompra ajudou a aliviar a press\u00e3o na ponta longa do mercado de Treasuries (t\u00edtulos de prazo maior), derrubando os rendimentos. Com juros menores, parte do suporte ao d\u00f3lar diminui, porque o retorno de ativos americanos fica menos atrativo e a demanda pela moeda pode enfraquecer. Com isso, o USDX caminhou para m\u00ednimas de tr\u00eas meses.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Por que os traders est\u00e3o de olho no d\u00f3lar<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O movimento recente mostra que o d\u00f3lar est\u00e1 mais sens\u00edvel a mudan\u00e7as na pol\u00edtica do Tesouro e nas condi\u00e7\u00f5es financeiras em geral \u2014 como juros, liquidez e apetite por risco.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-x wp-block-embed-x\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Fed Chair Kevin Warsh has pledged price stability, but Treasury Secretary Scott Bessent\u2019s decision to double buybacks of longer-dated debt may complicate those efforts. Questions are mounting over how closely the two are coordinating, economist Gregory Daco says <a href=\"https:\/\/t.co\/Nbcw1uv8Md\">pic.twitter.com\/Nbcw1uv8Md<\/a><\/p>&mdash; Reuters (@Reuters) <a href=\"https:\/\/x.com\/Reuters\/status\/2090486519278796902?ref_src=twsrc%5Etfw\">August 20, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Al\u00e9m da rea\u00e7\u00e3o imediata, investidores avaliam se uma atua\u00e7\u00e3o maior do Tesouro pode influenciar a percep\u00e7\u00e3o sobre a pol\u00edtica fiscal dos EUA (gastos, arrecada\u00e7\u00e3o e endividamento) e a estabilidade do mercado no longo prazo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Agora, a aten\u00e7\u00e3o se volta para como as expectativas sobre o Federal Reserve (o banco central dos EUA), os dados econ\u00f4micos e os pr\u00f3ximos movimentos do mercado de t\u00edtulos podem afetar o d\u00f3lar.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">N\u00edveis importantes para operar<\/h2>\n\n\n\n<!-- TradingView Widget BEGIN --><div class=\"tradingview-widget-container\">  <div class=\"tradingview-widget-container__widget\"><\/div>  <div class=\"tradingview-widget-copyright\"><a href=\"https:\/\/www.tradingview.com\/symbols\/VANTAGE-USDX\/\" rel=\"noopener nofollow\" target=\"_blank\"><span class=\"blue-text\">USDX chart<\/span><\/a><span class=\"trademark\"> by TradingView<\/span><\/div>  <script type=\"text\/javascript\" src=\"https:\/\/s3.tradingview.com\/external-embedding\/embed-widget-advanced-chart.js\" async>  {  \"allow_symbol_change\": true,  \"calendar\": false,  \"details\": false,  \"hide_side_toolbar\": true,  \"hide_top_toolbar\": false,  \"hide_legend\": false,  \"hide_volume\": false,  \"hotlist\": false,  \"interval\": \"D\",  \"locale\": \"en\",  \"save_image\": true,  \"style\": \"1\",  \"symbol\": \"VANTAGE:USDX\",  \"theme\": \"dark\",  \"timezone\": \"Etc\/UTC\",  \"backgroundColor\": \"#0F0F0F\",  \"gridColor\": \"rgba(242, 242, 242, 0.2)\",  \"watchlist\": [],  \"withdateranges\": false,  \"compareSymbols\": [],  \"support_host\": \"https:\/\/www.tradingview.com\",  \"studies\": [],  \"width\": 900,  \"height\": 500}  <\/script><\/div><!-- TradingView Widget END -->\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>N\u00edvel de pre\u00e7o<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>O que os traders observam<\/strong><\/td><\/tr><tr><td>99<\/td><td>Resist\u00eancia psicol\u00f3gica (n\u00edvel \u201credondo\u201d) se o USDX estender a recupera\u00e7\u00e3o<\/td><\/tr><tr><td>98.75<\/td><td>M\u00e1xima recente no intradi\u00e1rio (no dia) e resist\u00eancia imediata<\/td><\/tr><tr><td>98.68<\/td><td>Regi\u00e3o atual de negocia\u00e7\u00e3o e refer\u00eancia de curto prazo<\/td><\/tr><tr><td>98.67<\/td><td>Regi\u00e3o da m\u00e9dia m\u00f3vel de curto prazo (indicador que suaviza o pre\u00e7o para mostrar a tend\u00eancia)<\/td><\/tr><tr><td>98.65<\/td><td>M\u00ednima recente e suporte imediato<\/td><\/tr><tr><td>98.5<\/td><td>Zona de suporte importante se a press\u00e3o vendedora voltar<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">O USDX opera perto de <strong>98,68<\/strong> ap\u00f3s reagir da m\u00ednima da sess\u00e3o em <strong>98,65<\/strong>, voltando em dire\u00e7\u00e3o \u00e0 regi\u00e3o da m\u00e9dia m\u00f3vel de curto prazo, perto de <strong>98,67<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uma alta acima de <strong>98,75<\/strong> pode indicar melhora do impulso no curto prazo (mais for\u00e7a compradora), trazendo a resist\u00eancia de <strong>99,00<\/strong> para o radar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Na queda, perder <strong>98,65<\/strong> pode sinalizar retomada da press\u00e3o vendedora, com a zona de suporte em <strong>98,50<\/strong> como pr\u00f3ximo n\u00edvel a acompanhar.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cen\u00e1rios de alta e de baixa<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.vtmarkets.com\/wp-content\/uploads\/2026\/08\/usdx218-1024x473.webp\" alt=\"usdx\" class=\"wp-image-65733\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Cen\u00e1rio<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Gatilho<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Poss\u00edvel rea\u00e7\u00e3o do mercado<\/strong><\/td><\/tr><tr><td>Tentativa de recupera\u00e7\u00e3o<\/td><td>Manter acima de 98.65<\/td><td>O USDX pode retestar a resist\u00eancia em 98.75<\/td><\/tr><tr><td>Rompimento de alta<\/td><td>Romper acima de 98.75<\/td><td>O movimento pode ganhar for\u00e7a at\u00e9 99.00<\/td><\/tr><tr><td>Consolida\u00e7\u00e3o em faixa<\/td><td>Ficar entre 98.65 e 98.75<\/td><td>O USDX pode seguir \u201cde lado\u201d enquanto o mercado busca dire\u00e7\u00e3o<\/td><\/tr><tr><td>Rompimento de baixa<\/td><td>Cair abaixo de 98.65<\/td><td>A venda pode aumentar em dire\u00e7\u00e3o a 98.50<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">No <strong>cen\u00e1rio de alta<\/strong>, o USDX precisa sustentar o suporte em <strong>98,65<\/strong> e buscar <strong>98,75<\/strong>. Se superar essa resist\u00eancia e se manter acima, pode indicar mais for\u00e7a no curto prazo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">No <strong>cen\u00e1rio de baixa<\/strong>, a perda de <strong>98,65<\/strong> aumenta o risco de continuidade da fraqueza e deixa o suporte em <strong>98,50<\/strong> mais exposto.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Aviso<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Os n\u00edveis de pre\u00e7o e cen\u00e1rios refletem a avalia\u00e7\u00e3o do autor no momento da publica\u00e7\u00e3o. N\u00e3o s\u00e3o aconselhamento financeiro nem recomenda\u00e7\u00e3o oficial da VT Markets. Mercados podem se mover r\u00e1pido por causa de eventos geopol\u00edticos (conflitos e decis\u00f5es entre pa\u00edses), mudan\u00e7as de oferta e fatores macroecon\u00f4micos (como infla\u00e7\u00e3o, juros e atividade econ\u00f4mica).<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Operar CFDs do \u00cdndice do D\u00f3lar com a VT Markets<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O USDX costuma ganhar movimento quando expectativas sobre a pol\u00edtica do Federal Reserve, riscos de infla\u00e7\u00e3o, pre\u00e7o do petr\u00f3leo, not\u00edcias geopol\u00edticas e fluxos globais de moedas acontecem ao mesmo tempo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Na VT Markets, \u00e9 poss\u00edvel operar CFDs do USDX junto com principais pares de c\u00e2mbio (forex), ouro, petr\u00f3leo, \u00edndices, a\u00e7\u00f5es, ETFs e outros mercados globais de CFD em uma s\u00f3 plataforma.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Isso permite acompanhar o d\u00f3lar de forma mais ampla e comparar com pares como USDJPY e EURUSD, al\u00e9m de XAUUSD (ouro em d\u00f3lar) e mercados de energia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Use as ferramentas de gr\u00e1fico da VT Markets para monitorar suporte, resist\u00eancia, m\u00e9dias m\u00f3veis (indicadores de tend\u00eancia) e comportamento em rompimentos (quando o pre\u00e7o ultrapassa um n\u00edvel importante) conforme o pr\u00f3ximo movimento do USDX se forma.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Comece<a href=\"https:\/\/www.vtmarkets.com\/indices\/\" target=\"_blank\" rel=\"noopener\" title=\"\"> a operar \u00edndices<\/a> com a VT Markets hoje.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Por que operar CFDs do \u00cdndice do D\u00f3lar com a VT Markets?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Os CFDs do USDX permitem buscar ganhos com a alta ou a queda do \u00edndice do d\u00f3lar sem comprar a cesta de moedas que comp\u00f5e o \u00edndice. CFD (Contrato por Diferen\u00e7a) \u00e9 um derivativo: um contrato em que o lucro ou preju\u00edzo vem da varia\u00e7\u00e3o do pre\u00e7o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Essa flexibilidade ajuda quando o d\u00f3lar reage r\u00e1pido a expectativas sobre o Federal Reserve, sinais de infla\u00e7\u00e3o, movimentos do petr\u00f3leo, eventos geopol\u00edticos e demanda por \u201cporto seguro\u201d (ativos buscados em momentos de estresse).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Se o USDX romper uma resist\u00eancia, o trader pode monitorar uma poss\u00edvel continuidade da alta. Se o movimento perder for\u00e7a, d\u00e1 para avaliar cen\u00e1rios de queda.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Com a VT Markets, \u00e9 poss\u00edvel acompanhar o pre\u00e7o do USDX em tempo real e comparar com outros mercados de CFD usando uma \u00fanica conta.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">O que acompanhar a seguir<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O pr\u00f3ximo movimento do USDX vai depender de como o mercado interpretar a pol\u00edtica do Tesouro, as expectativas para o Federal Reserve e a demanda global por d\u00f3lar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fatores-chave:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Rea\u00e7\u00e3o do mercado de Treasuries:<\/strong> se as recompras de t\u00edtulos d\u00e3o sustenta\u00e7\u00e3o duradoura aos juros de longo prazo.<\/li>\n\n\n\n<li><strong>Comunica\u00e7\u00e3o do Federal Reserve:<\/strong> falas de dirigentes que podem mexer com as expectativas de juros.<\/li>\n\n\n\n<li><strong>Dados econ\u00f4micos dos EUA:<\/strong> indicadores de infla\u00e7\u00e3o e atividade que influenciam o d\u00f3lar.<\/li>\n\n\n\n<li><strong>Juros dos Treasuries:<\/strong> novos movimentos nos t\u00edtulos, com investidores revisando a atratividade dos ativos americanos.<\/li>\n\n\n\n<li><strong>Sentimento no c\u00e2mbio global:<\/strong> se a fraqueza recente do d\u00f3lar continua frente \u00e0s principais moedas.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pelo lado t\u00e9cnico (leitura do gr\u00e1fico), o mercado observa se o <strong>USDX consegue voltar para 98,75<\/strong>, enquanto <strong>98,65 segue como o principal suporte de curto prazo<\/strong> se a press\u00e3o de baixa retornar.<\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>Perguntas frequentes<\/strong><\/summary>\n<h3 class=\"wp-block-heading\"><strong>Por que o USDX caiu?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O USDX caiu ap\u00f3s o Tesouro anunciar a amplia\u00e7\u00e3o das recompras de t\u00edtulos, o que aliviou a press\u00e3o sobre os juros longos, mas aumentou d\u00favidas sobre a atratividade de ativos dos EUA.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Como os rendimentos dos Treasuries afetam o USDX?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Os rendimentos (juros) dos Treasuries influenciam a demanda por ativos dos EUA. Juros mais altos podem apoiar o d\u00f3lar; expectativa de juros mais baixos tende a reduzir esse apelo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Por que as recompras de Treasuries impactam o USDX?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O plano de recompra muda as expectativas para o mercado de t\u00edtulos ao reduzir a press\u00e3o sobre os juros de longo prazo, levando investidores a reavaliar o cen\u00e1rio para o d\u00f3lar.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Quais moedas podem se beneficiar quando o USDX enfraquece?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Moedas como iene, franco su\u00ed\u00e7o e d\u00f3lar neozeland\u00eas podem ganhar quando o USDX cai, dependendo do humor do mercado.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Quais s\u00e3o os principais n\u00edveis do USDX para observar?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O mercado acompanha <strong>98,75<\/strong> como poss\u00edvel n\u00edvel de recupera\u00e7\u00e3o, enquanto <strong>98,65<\/strong> \u00e9 o principal suporte de curto prazo.<\/p>\n<\/details>\n\n\n\n\n<p class=\"wp-block-paragraph\"><b>Comece a negociar agora \u2014 clique <a href=\"https:\/\/www.vtmarkets.com\/pt-latam\/trade-now\/\">aqui<\/a> para criar a sua conta real da VT Markets.<\/b>\n\n<\/p>","protected":false},"excerpt":{"rendered":"<p>Sinal de alerta no c\u00e2mbio: Tesouro dos EUA amplia recompras de Treasuries longos, derruba juros e enfraquece o d\u00f3lar. USDX ronda 98,68; mercado mira Fed, dados e suportes 98,65\/98,50.<\/p>\n","protected":false},"author":87,"featured_media":52404,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[12],"tags":[],"class_list":["post-52405","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-analysis"],"acf":{"acf_article_selection_author":null},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Sinal de alerta no c\u00e2mbio: Tesouro dos EUA amplia recompras de Treasuries longos, derruba juros e enfraquece o d\u00f3lar. 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