{"id":52698,"date":"2026-08-27T20:37:40","date_gmt":"2026-08-27T20:37:40","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-latam\/uncategorized\/le-dow-cloture-en-legere-hausse-porte-par-lenvol-de-salesforce-et-nvidia-tandis-que-jackson-hole-et-les-risques-de-droits-de-douane-sur-les-puces-se-profilent\/"},"modified":"2026-08-27T20:37:40","modified_gmt":"2026-08-27T20:37:40","slug":"le-dow-cloture-en-legere-hausse-porte-par-lenvol-de-salesforce-et-nvidia-tandis-que-jackson-hole-et-les-risques-de-droits-de-douane-sur-les-puces-se-profilent","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-latam\/live-updates\/le-dow-cloture-en-legere-hausse-porte-par-lenvol-de-salesforce-et-nvidia-tandis-que-jackson-hole-et-les-risques-de-droits-de-douane-sur-les-puces-se-profilent\/","title":{"rendered":"Le Dow cl\u00f4ture en l\u00e9g\u00e8re hausse, port\u00e9 par l\u2019envol de Salesforce et Nvidia, tandis que Jackson Hole et les risques de droits de douane sur les puces se profilent"},"content":{"rendered":"<p>Le Dow Jones Industrial Average \u00e9voluait autour de 53 600 points jeudi, en hausse de 0,29% apr\u00e8s \u00eatre pass\u00e9 d\u2019environ 53 300 \u00e0 un peu plus de 53 700. Salesforce s\u2019est envol\u00e9 de pr\u00e8s de 20% apr\u00e8s une publication de chiffre d\u2019affaires au deuxi\u00e8me trimestre sup\u00e9rieure aux attentes, tandis que Nvidia gagnait pr\u00e8s de 7,5% \u00e0 la faveur de r\u00e9sultats incluant une pr\u00e9vision de croissance \u00e0 l\u2019horizon de l\u2019exercice 2028. Compte tenu de la pond\u00e9ration par le prix du DJIA, \u00e0 raison d\u2019environ six points d\u2019indice par dollar, ces deux titres impliquent pr\u00e8s de 350 points de potentiel haussier, mais l\u2019indice n\u2019en a capt\u00e9 qu\u2019environ 157, les 28 autres composantes retranchant pr\u00e8s de 200 points. Apr\u00e8s des inscriptions initiales au ch\u00f4mage \u00e0 203 000 contre 208 000 attendues et 207 000 pr\u00e9c\u00e9demment, et des demandes continues \u00e0 1,78 million, le DJIA a rebondi d\u2019environ 390 points jusqu\u2019\u00e0 un plus haut \u00e0 15h15 GMT juste au-dessus de 53 700.<\/p>\n<p>\u00c0 Jackson Hole, les commentaires de 11h30 GMT ont \u00e9t\u00e9 jug\u00e9s hawkish \u00e0 7,0 contre une moyenne de 7,1, le discours de 12h15 GMT a \u00e9t\u00e9 neutre \u00e0 6,0, et le cr\u00e9neau de 14h30 GMT a \u00e9t\u00e9 \u00e9valu\u00e9 hawkish \u00e0 8,0 contre une moyenne de 7,5. Par ailleurs, un rapport indique que l\u2019administration envisage d\u2019\u00e9largir les droits de douane sur les semi-conducteurs aux ordinateurs portables, au mat\u00e9riel de gaming et aux serveurs de centres de donn\u00e9es ; la mesure de janvier avait fix\u00e9 un tarif de 25% sur certaines puces avanc\u00e9es de calcul tout en exemptant les composants destin\u00e9s aux centres de donn\u00e9es. Vendredi \u00e0 14h00 GMT sont attendus le discours du pr\u00e9sident de la Fed et la r\u00e9vision pr\u00e9liminaire des donn\u00e9es de r\u00e9f\u00e9rence, apr\u00e8s que 818 000 puis 911 000 emplois ont \u00e9t\u00e9 retranch\u00e9s lors des deux pr\u00e9c\u00e9dentes r\u00e9visions ; parmi les publications proches figurent l\u2019indice PMI de Chicago \u00e0 13h45 GMT (57 attendu contre 57,6 pr\u00e9c\u00e9demment) et la confiance finale de l\u2019Universit\u00e9 du Michigan \u00e0 51, ainsi que les anticipations \u00e0 50,6, avec des anticipations d\u2019inflation \u00e0 un an \u00e0 4,3% et \u00e0 cinq ans \u00e0 3,3%. Les rep\u00e8res techniques \u00e9voqu\u00e9s situent une r\u00e9sistance juste au-dessus de 53 700, puis \u00e0 53 800, 54 100 et juste sous 54 750 ; le support est proche de 53 300, puis 53 000, avec l\u2019EMA 50 jours vers 52 700, tandis que le Stoch RSI s\u2019\u00e9tablit \u00e0 39 et qu\u2019une cl\u00f4ture journali\u00e8re au-dessus de 53 800 constitue le niveau d\u2019invalidation mentionn\u00e9.<\/p>\n<h3>Positionnement en vue d\u2019un repli baissier et de volatilit\u00e9<\/h3>\n<p>Nous devrions adopter une posture d\u00e9fensive en achetant des options de vente (puts) proches du cours sur le Dow Jones Industrial Average au voisinage de la r\u00e9sistance \u00e0 53 700. Malgr\u00e9 des publications largement au-dessus des attentes de Salesforce et Nvidia, les vingt-huit autres titres p\u00e8sent activement sur l\u2019indice. Cet essoufflement sur une r\u00e9sistance cl\u00e9, combin\u00e9 \u00e0 un Stochastic RSI journalier en baisse \u00e0 39, sugg\u00e8re qu\u2019un repli baissier est tr\u00e8s probable dans les prochaines semaines.<\/p>\n<p>Nous devons nous pr\u00e9parer \u00e0 des \u00e0-coups de march\u00e9 en achetant des straddles afin de tirer parti des publications macro\u00e9conomiques de demain. Historiquement, fin ao\u00fbt et septembre constituent les p\u00e9riodes les plus volatiles de l\u2019ann\u00e9e, l\u2019indice de volatilit\u00e9 du CBOE (VIX) progressant en moyenne de 15% durant cette saison. Les r\u00e9visions des chiffres de l\u2019emploi \u00e0 venir et les discours de Jackson Hole devraient agir comme un catalyseur marqu\u00e9 de cette volatilit\u00e9 attendue.<\/p>\n<h3>Couverture et opportunit\u00e9s de trades de valeur relative<\/h3>\n<p>Nous recommandons de couvrir notre exposition aux valeurs d\u00e9pendantes de l\u2019IA en achetant des puts de protection sur des grandes valeurs technologiques en forte hausse. Les nouveaux droits de douane envisag\u00e9s par l\u2019administration sur les serveurs de centres de donn\u00e9es menacent de transf\u00e9rer des co\u00fbts importants directement vers les acheteurs de mat\u00e9riel d\u2019intelligence artificielle. Par le pass\u00e9, des annonces similaires de droits de douane dans les cha\u00eenes d\u2019approvisionnement ont entra\u00een\u00e9 des replis imm\u00e9diats de 5% \u00e0 10% des valorisations du secteur technologique.<\/p>\n<p>Nous pouvons \u00e9galement exploiter l\u2019\u00e9cart de performance entre le Nasdaq et le Dow via des spreads d\u2019options de valeur relative. Le Dow, pond\u00e9r\u00e9 par le prix, peine \u00e0 suivre le rythme et n\u2019affiche qu\u2019un quart des gains du barom\u00e8tre \u00e0 dominante technologique aujourd\u2019hui. Acheter des calls sur le Nasdaq tout en achetant simultan\u00e9ment des puts sur le Dow permet de profiter de cet \u00e9cart qui se creuse.<\/p>\n\n\n\r\n<p class=\"wp-block-paragraph\"><b>Commencez \u00e0 trader d\u00e8s maintenant \u2014 cliquez <a href=\"https:\/\/www.vtmarkets.com\/fr-latam\/trade-now\/\">ici<\/a> pour cr\u00e9er votre compte r\u00e9el VT Markets.<\/b>\n\r\n<\/p>","protected":false},"excerpt":{"rendered":"<p>Wall Street retient son souffle : le Dow \u00e0 53 600 cale malgr\u00e9 l\u2019envol\u00e9e Salesforce\/Nvidia. Jackson Hole et craintes de droits de douane dopent la volatilit\u00e9 ; strat\u00e9gie d\u00e9fensive, puts\/straddles recommand\u00e9s.<\/p>\n","protected":false},"author":87,"featured_media":49271,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[10],"tags":[],"class_list":["post-52698","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=\"Wall Street retient son souffle : le Dow \u00e0 53 600 cale malgr\u00e9 l\u2019envol\u00e9e Salesforce\/Nvidia. 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