{"id":53068,"date":"2026-08-24T14:21:28","date_gmt":"2026-08-24T14:21:28","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-eu\/uncategorized\/lor-progresse-vers-4-658-dollars-les-rachats-de-treasuries-affaiblissant-le-dollar-et-dopant-la-demande-de-valeurs-refuges\/"},"modified":"2026-08-24T14:21:28","modified_gmt":"2026-08-24T14:21:28","slug":"lor-progresse-vers-4-658-dollars-les-rachats-de-treasuries-affaiblissant-le-dollar-et-dopant-la-demande-de-valeurs-refuges","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-eu\/live-updates\/lor-progresse-vers-4-658-dollars-les-rachats-de-treasuries-affaiblissant-le-dollar-et-dopant-la-demande-de-valeurs-refuges\/","title":{"rendered":"L\u2019or progresse vers 4 658 dollars, les rachats de Treasuries affaiblissant le dollar et dopant la demande de valeurs refuges"},"content":{"rendered":"<p>L\u2019or (XAU\/USD) a prolong\u00e9 le rally de la semaine derni\u00e8re jusqu\u2019\u00e0 la s\u00e9ance am\u00e9ricaine de lundi, s\u2019\u00e9changeant pr\u00e8s de 4\u202f658\u202f$ et en hausse de pr\u00e8s de 1,2% sur la journ\u00e9e, autour de niveaux plus vus depuis le 15 mai. Le mouvement a suivi la d\u00e9cision du Tr\u00e9sor am\u00e9ricain d\u2019augmenter les rachats de titres \u00e0 plus longue \u00e9ch\u00e9ance destin\u00e9s \u00e0 soutenir la liquidit\u00e9, ce qui a contribu\u00e9 \u00e0 faire reculer l\u2019indice du dollar (DXY) \u00e0 un plus bas de trois mois avant que l\u2019indicateur ne se stabilise ensuite autour de 98,97, en hausse d\u2019environ 0,12%. L\u2019or a \u00e9t\u00e9 soutenu par la faiblesse du dollar et par la demande de valeur refuge li\u00e9e aux inqui\u00e9tudes sur la politique budg\u00e9taire am\u00e9ricaine et la hausse de la dette publique. Les rendements longs sont rest\u00e9s \u00e9lev\u00e9s, avec le 30 ans am\u00e9ricain autour de 5,24% contre un r\u00e9cent pic de 19 ans \u00e0 5,33%, maintenant au premier plan le co\u00fbt d\u2019opportunit\u00e9 de d\u00e9tention de ce m\u00e9tal sans rendement.<\/p>\n\n<p>L\u2019attention se porte d\u00e9sormais sur les risques \u00e9v\u00e9nementiels aux \u00c9tats-Unis, avec l\u2019indice des prix PCE de juillet attendu mercredi, avant l\u2019intervention du pr\u00e9sident de la R\u00e9serve f\u00e9d\u00e9rale, Kevin Warsh, \u00e0 Jackson Hole vendredi ; l\u2019outil CME FedWatch sugg\u00e8re environ 38% de probabilit\u00e9 d\u2019une hausse de taux. Les risques inflationnistes li\u00e9s \u00e0 l\u2019\u00e9nergie restent \u00e9galement d\u2019actualit\u00e9, alors que les tensions au Moyen-Orient perturbent le trafic maritime dans le d\u00e9troit d\u2019Ormuz, tandis que les \u00c9tats-Unis doivent annoncer de nouvelles sanctions contre l\u2019Iran. Sur le plan technique, le XAU\/USD demeure au-dessus de ses moyennes mobiles simples (SMA) \u00e0 200 jours et 100 jours, avec un ADX \u00e0 33 et un RSI \u00e0 71 ; le MACD est positif. Les r\u00e9sistances se situent \u00e0 4\u202f685\u202f$ et 4\u202f886\u202f$, tandis que les supports sont identifi\u00e9s \u00e0 4\u202f528\u202f$ et 4\u202f516\u202f$, puis 4\u202f417\u202f$ et 4\u202f379\u202f$, suivis de 4\u202f307\u202f$ et 4\u202f170\u202f$.<\/p>\n\n<h3>Facteurs de march\u00e9 et strat\u00e9gies de trading<\/h3>\n\n<p>Nous observons une forte dynamique haussi\u00e8re de l\u2019or, qui conserve ses gains intrajournaliers autour de 4\u202f658\u202f$, port\u00e9e par le programme de rachats d\u2019obligations du Tr\u00e9sor am\u00e9ricain et par un dollar plus faible. Cette envol\u00e9e met en lumi\u00e8re une attention croissante du march\u00e9 sur la d\u00e9pr\u00e9ciation du dollar et la hausse de la dette publique, un contexte historiquement favorable aux actifs refuges. Pour les op\u00e9rateurs sur produits d\u00e9riv\u00e9s, nous recommandons de conserver un biais haussier de fond, tout en se pr\u00e9parant \u00e0 une volatilit\u00e9 de court terme.<\/p>\n\n<p>Avec un indice de force relative (RSI) quotidien entrant en zone de surachat \u00e0 71, un repli temporaire vers des supports cl\u00e9s est tout \u00e0 fait possible. Pour g\u00e9rer ce risque, nous sugg\u00e9rons de privil\u00e9gier des bull call spreads plut\u00f4t que des achats directs de futures, en visant la premi\u00e8re r\u00e9sistance \u00e0 4\u202f685\u202f$ et le sommet de cycle proche de 4\u202f886\u202f$. Cette strat\u00e9gie limite le risque baissier tout en permettant de capter la dynamique haussi\u00e8re dominante.<\/p>\n\n<h3>Rendements, volatilit\u00e9 et influences g\u00e9opolitiques<\/h3>\n\n<p>Nous devons rester vigilants face au niveau \u00e9lev\u00e9 des rendements obligataires de long terme, le 30 ans am\u00e9ricain \u00e9tant proche de son plus haut de 19 ans, \u00e0 5,24%. Des rendements \u00e9lev\u00e9s augmentent le co\u00fbt d\u2019opportunit\u00e9 de d\u00e9tention de l\u2019or, qui ne verse pas de rendement, et peuvent d\u00e9clencher des corrections brutales. Historiquement, lorsque les rendements longs se maintiennent au-dessus de 5%, les mouvements de prix de l\u2019or deviennent plus marqu\u00e9s, ce qui fait des options de vente (puts) d\u00e9fensives autour de la zone de support 4\u202f516\u202f$ une couverture pertinente.<\/p>\n\n<p>Les \u00e9v\u00e9nements cl\u00e9s de cette semaine, dont les donn\u00e9es d\u2019inflation PCE de juillet et le discours \u00e0 venir du pr\u00e9sident de la Fed, Kevin Warsh, \u00e0 Jackson Hole, devraient alimenter une forte volatilit\u00e9. \u00c0 ce stade, les march\u00e9s d\u2019options int\u00e8grent une probabilit\u00e9 de 38% d\u2019une hausse de taux en septembre, une estimation susceptible d\u2019\u00e9voluer fortement selon ces annonces. Nous conseillons d\u2019acheter des straddles ou des strangles \u00e0 courte \u00e9ch\u00e9ance afin de tirer parti des variations attendues, quelle qu\u2019en soit la direction.<\/p>\n\n<p>La mont\u00e9e des tensions g\u00e9opolitiques au Moyen-Orient et la menace de nouvelles sanctions contre l\u2019Iran restreignent des routes maritimes cl\u00e9s et alimentent les craintes d\u2019une inflation tir\u00e9e par l\u2019\u00e9nergie. Ces risques renforcent l\u2019attrait de l\u2019or en tant que couverture ultime, soutenant un plancher structurel pour le m\u00e9tal m\u00eame en cas de repli. Si une correction se mat\u00e9rialise, il conviendrait de rechercher de nouvelles opportunit\u00e9s d\u2019achat \u00e0 proximit\u00e9 de la zone de forte demande comprise entre 4\u202f528\u202f$ et 4\u202f516\u202f$.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b>Commencez \u00e0 trader d\u00e8s maintenant \u2014 cliquez <a href=\"https:\/\/www.vtmarkets.com\/fr-eu\/trade-now\/\">ici<\/a> pour cr\u00e9er votre compte r\u00e9el VT Markets.<\/b>\n\n<\/p>","protected":false},"excerpt":{"rendered":"<p>Ru\u00e9e sur l\u2019or : XAU\/USD grimpe vers 4\u202f658\u202f$ (+1,2%), dop\u00e9 par rachats du Tr\u00e9sor et dollar faible. Refuge sur dette US et g\u00e9opolitique, mais rendements >5% menacent. PCE\/Jackson Hole, volatilit\u00e9.<\/p>\n","protected":false},"author":87,"featured_media":49798,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-53068","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=\"Ru\u00e9e sur l\u2019or : XAU\/USD grimpe vers 4 658 $ (+1,2%), dop\u00e9 par rachats du Tr\u00e9sor et dollar faible. Refuge sur dette US et g\u00e9opolitique, mais rendements &gt;5% menacent. 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