{"id":52958,"date":"2026-08-21T01:22:17","date_gmt":"2026-08-21T01:22:17","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-eu\/uncategorized\/le-tresor-americain-double-ses-rachats-de-titres-a-longue-echeance-a-4-milliards-de-dollars-faisant-reculer-les-rendements-et-soutenant-lor\/"},"modified":"2026-08-21T01:22:17","modified_gmt":"2026-08-21T01:22:17","slug":"le-tresor-americain-double-ses-rachats-de-titres-a-longue-echeance-a-4-milliards-de-dollars-faisant-reculer-les-rendements-et-soutenant-lor","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-eu\/live-updates\/le-tresor-americain-double-ses-rachats-de-titres-a-longue-echeance-a-4-milliards-de-dollars-faisant-reculer-les-rendements-et-soutenant-lor\/","title":{"rendered":"Le Tr\u00e9sor am\u00e9ricain double ses rachats de titres \u00e0 longue \u00e9ch\u00e9ance \u00e0 4 milliards de dollars, faisant reculer les rendements et soutenant l\u2019or"},"content":{"rendered":"<p>Le Tr\u00e9sor am\u00e9ricain va doubler le montant maximal de ses rachats au titre du \u00ab soutien \u00e0 la liquidit\u00e9 \u00bb sur les segments de maturit\u00e9 10\u201320 ans et 20\u201330 ans, \u00e0 4 Mds$ par op\u00e9ration, contre 2 Mds$ auparavant, avec un calendrier \u00e9largi courant du 9 septembre au 4 novembre. Le plan consiste \u00e0 acheter sur le march\u00e9 secondaire d\u2019anciennes obligations du Tr\u00e9sor \u00e0 longue \u00e9ch\u00e9ance pour les annuler, tout en finan\u00e7ant le programme par des ventes de titres \u00e0 plus courte maturit\u00e9 (notes et obligations). En toile de fond : une charge d\u2019int\u00e9r\u00eats f\u00e9d\u00e9rale annuelle sup\u00e9rieure \u00e0 1 000 Mds$ et un march\u00e9 obligataire d\u2019environ 32 000 Mds$.<\/p>\n\n<p>Les rendements ont recul\u00e9 apr\u00e8s l\u2019annonce : le 30 ans a cl\u00f4tur\u00e9 mardi 18 ao\u00fbt \u00e0 5,31 % apr\u00e8s un pic intrajournalier \u00e0 5,34 %, un plus haut depuis 2007, puis a termin\u00e9 mercredi \u00e0 5,19 % avant de remonter \u00e0 5,24 % jeudi matin. Le Tr\u00e9sor a \u00e9galement proc\u00e9d\u00e9 \u00e0 une adjudication de 20 ans mercredi, et sa communication trimestrielle d\u2019ao\u00fbt sur le refinancement a d\u00e9taill\u00e9 des projets de ventes de 125 Mds$ de titres \u00e0 3, 10 et 30 ans, dont une obligation \u00e0 30 ans de 25 Mds$. L\u2019or a d\u00e9pass\u00e9 4 500 $ l\u2019once mercredi pour la premi\u00e8re fois en deux mois, et l\u2019argent s\u2019est \u00e9chang\u00e9 au-dessus de 68 $ l\u2019once.<\/p>\n\n<h3>Strat\u00e9gies de trading en r\u00e9ponse aux rachats du Tr\u00e9sor<\/h3>\n\n<p>Alors que le lancement des op\u00e9rations de rachat \u00e9largies est pr\u00e9vu le 9 septembre, nous anticipons un plafonnement temporaire des rendements longs au cours des prochaines semaines. Les op\u00e9rateurs sur produits d\u00e9riv\u00e9s devraient envisager d\u2019acheter des options d\u2019achat (calls) de court terme sur des ETF obligataires \u00e0 longue duration, comme TLT, afin de capter ce sursaut de prix \u00ab artificiel \u00bb. Toutefois, cette intervention devant s\u2019achever le 4 novembre, il faudra \u00eatre pr\u00eat \u00e0 basculer vers des options de vente (puts) lorsque les rendements repartiront in\u00e9vitablement \u00e0 la hausse.<\/p>\n\n<p>Cette man\u0153uvre \u2014 vendre des titres courts (T-bills) pour acheter des obligations longues \u2014 devrait aplatir temporairement la courbe des taux. Il est possible d\u2019en tirer parti via des positions sur les spreads de courbe, en visant sp\u00e9cifiquement une dynamique d\u2019aplatissement \u00e0 l\u2019approche du lancement en septembre. La dette nationale am\u00e9ricaine \u00e9tant actuellement projet\u00e9e au-del\u00e0 de 40 000 Mds$, cet aplatissement artificiel pourrait rapidement s\u2019inverser en pentification (\u00ab steepener \u00bb) une fois les forces naturelles d\u2019offre et de demande de nouveau \u00e0 l\u2019\u0153uvre.<\/p>\n\n<h3>Cons\u00e9quences pour les m\u00e9taux pr\u00e9cieux et la volatilit\u00e9 des march\u00e9s<\/h3>\n\n<p>Cette compression assum\u00e9e des rendements est tr\u00e8s favorable aux m\u00e9taux pr\u00e9cieux, qui ont d\u00e9j\u00e0 r\u00e9agi avec un or au-del\u00e0 de 4 500 $ et un argent au-dessus de 68 $. Nous recommandons d\u2019acheter des options d\u2019achat sur futures or et argent afin de tirer parti de cette dynamique dans les prochaines semaines. Si les investisseurs perdaient totalement confiance dans la capacit\u00e9 du Tr\u00e9sor \u00e0 laisser le march\u00e9 s\u2019\u00e9quilibrer naturellement, on pourrait assister \u00e0 un afflux massif de capitaux vers ces actifs d\u00e9fensifs.<\/p>\n\n<p>Enfin, le caract\u00e8re \u00ab d\u2019urgence \u00bb de cette op\u00e9ration de 4 Mds$ laisse entrevoir une phase de tr\u00e8s forte volatilit\u00e9. Il convient d\u2019envisager l\u2019achat de straddles ou de strangles sur options de Treasuries afin de profiter des mouvements erratiques que ce bras de fer pourrait provoquer. \u00c0 l\u2019approche du 9 septembre, se positionner pour une volatilit\u00e9 \u00e9lev\u00e9e appara\u00eet comme la meilleure fa\u00e7on de capter les \u00e0-coups li\u00e9s \u00e0 cette intervention.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b>Commencez \u00e0 trader d\u00e8s maintenant \u2014 cliquez <a href=\"https:\/\/www.vtmarkets.com\/fr-eu\/trade-now\/\">ici<\/a> pour cr\u00e9er votre compte r\u00e9el VT Markets.<\/b>\n\n<\/p>","protected":false},"excerpt":{"rendered":"<p>Coup de th\u00e9\u00e2tre sur les Treasuries : Washington double ses rachats \u00ab liquidit\u00e9 \u00bb \u00e0 4 Mds$ sur le long, du 9 septembre au 4 novembre, finan\u00e7ant par du court. Rendements bri\u00e8vement comprim\u00e9s, courbe aplatie, m\u00e9taux boost\u00e9s, volatilit\u00e9 accrue.<\/p>\n","protected":false},"author":87,"featured_media":49660,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-52958","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-live-updates"],"acf":{"acf_article_selection_author":null},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Coup de th\u00e9\u00e2tre sur les Treasuries : Washington double ses rachats \u00ab liquidit\u00e9 \u00bb \u00e0 4 Mds$ sur le long, du 9 septembre au 4 novembre, finan\u00e7ant par du court. 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