{"id":50546,"date":"2026-07-17T23:26:47","date_gmt":"2026-07-17T23:26:47","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-latam\/uncategorized\/le-wti-depasse-81-dollars-alors-que-liran-menace-de-fermer-le-detroit-dormuz-alimentant-la-hausse-hebdomadaire-et-la-volatilite-des-options\/"},"modified":"2026-07-17T23:26:47","modified_gmt":"2026-07-17T23:26:47","slug":"le-wti-depasse-81-dollars-alors-que-liran-menace-de-fermer-le-detroit-dormuz-alimentant-la-hausse-hebdomadaire-et-la-volatilite-des-options","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-latam\/live-updates\/le-wti-depasse-81-dollars-alors-que-liran-menace-de-fermer-le-detroit-dormuz-alimentant-la-hausse-hebdomadaire-et-la-volatilite-des-options\/","title":{"rendered":"Le WTI d\u00e9passe 81 dollars alors que l\u2019Iran menace de fermer le d\u00e9troit d\u2019Ormuz, alimentant la hausse hebdomadaire et la volatilit\u00e9 des options"},"content":{"rendered":"<p>Le WTI s\u2019\u00e9changeait autour de 81,10 $ vendredi, en hausse de 2,76 % sur la s\u00e9ance, et se dirigeait vers un gain hebdomadaire de plus de 13 % sur fond d\u2019intensification des tensions au Moyen-Orient. Ce mouvement est intervenu apr\u00e8s une nouvelle vague de frappes am\u00e9ricaines contre des installations militaires iraniennes, le Commandement central des \u00c9tats-Unis pr\u00e9cisant que les op\u00e9rations visaient \u00e0 d\u00e9grader les capacit\u00e9s de l\u2019Iran et \u00e0 poursuivre les activit\u00e9s autour du d\u00e9troit d\u2019Ormuz. Le Corps des gardiens de la r\u00e9volution islamique (CGRI) a d\u00e9clar\u00e9 qu\u2019aucune exportation de p\u00e9trole ou de gaz ne transiterait par le d\u00e9troit d\u2019Ormuz tant que les frappes se poursuivraient, tandis que le Qatar a fait \u00e9tat de l\u2019interception d\u2019une attaque de missiles.<\/p>\n<p>L\u2019affrontement a raviv\u00e9 l\u2019attention sur les points d\u2019\u00e9tranglement maritimes, l\u2019Iran mena\u00e7ant \u00e9galement de fermer la mer Rouge et les regards se tournant vers le d\u00e9troit de Bab el-Mandeb. L\u2019Agence internationale de l\u2019\u00e9nergie a averti qu\u2019une interruption prolong\u00e9e des exp\u00e9ditions via Ormuz accro\u00eetrait les risques pour la s\u00e9curit\u00e9 \u00e9nerg\u00e9tique mondiale, tandis que Commerzbank a estim\u00e9 qu\u2019un blocus de l\u2019une ou l\u2019autre route pourrait encore faire monter les prix et a soulign\u00e9 le potentiel de hausse des importations chinoises de brut \u00e0 mesure que les cargaisons auparavant en transit arrivent \u00e0 destination. Le WTI (West Texas Intermediate) est une r\u00e9f\u00e9rence de brut l\u00e9ger et doux d\u2019origine am\u00e9ricaine, distribu\u00e9e via le hub de Cushing ; son prix est d\u00e9termin\u00e9 par l\u2019offre et la demande, les perturbations g\u00e9opolitiques, les d\u00e9cisions de l\u2019OPEP et le dollar am\u00e9ricain, les donn\u00e9es de stocks \u00e9tant suivies via les rapports hebdomadaires de l\u2019API et de l\u2019EIA, dont les r\u00e9sultats concordent \u00e0 moins de 1 % environ 75 % du temps.<\/p>\n<h3>Volatilit\u00e9 du march\u00e9 des d\u00e9riv\u00e9s et positionnement de trading<\/h3>\n<p>Avec un WTI qui a franchi 81 $ apr\u00e8s un gain hebdomadaire massif de 13 %, il faut se pr\u00e9parer \u00e0 une volatilit\u00e9 extr\u00eame sur le march\u00e9 des d\u00e9riv\u00e9s au cours des prochaines semaines. La menace d\u2019un blocus total du d\u00e9troit d\u2019Ormuz \u2014 qui voit transiter environ 20 millions de barils par jour, soit pr\u00e8s de 20 % de la consommation mondiale de liquides p\u00e9troliers \u2014 rend temporairement obsol\u00e8tes les mod\u00e8les d\u2019offre classiques. Nous recommandons aux traders de privil\u00e9gier des strat\u00e9gies tirant parti de mouvements haussiers brusques et d\u2019une volatilit\u00e9 implicite accrue.<\/p>\n<p>Pour g\u00e9rer ce risque, nous privil\u00e9gions l\u2019achat d\u2019options d\u2019achat (calls) hors de la monnaie sur le WTI afin de capter un potentiel haussier suppl\u00e9mentaire sans exposer un capital illimit\u00e9 sur des contrats \u00e0 terme devenus tr\u00e8s volatils. Pour ceux qui cherchent \u00e0 exploiter l\u2019ampleur des mouvements, les straddles acheteurs apparaissent particuli\u00e8rement pertinents, alors que le march\u00e9 int\u00e8gre la possibilit\u00e9 d\u2019une fermeture du d\u00e9troit de Bab el-Mandeb, par lequel transite pr\u00e8s de 10 % du commerce mondial de p\u00e9trole par voie maritime. Historiquement, lors de chocs d\u2019offre li\u00e9s \u00e0 des tensions g\u00e9opolitiques \u2014 comme les attaques de drones contre Saudi Aramco en 2019 \u2014 la volatilit\u00e9 implicite du p\u00e9trole a bondi largement au-del\u00e0 de 40 %, un sch\u00e9ma que nous nous attendons \u00e0 voir se reproduire dans l\u2019environnement actuel.<\/p>\n<h3>Dynamique des stocks et gestion du risque sur les prix<\/h3>\n<p>Il faut \u00e9galement surveiller de pr\u00e8s les rapports hebdomadaires de stocks de l\u2019EIA, d\u2019autant que les stocks commerciaux am\u00e9ricains de brut ont d\u00e9j\u00e0 enregistr\u00e9 des baisses saisonni\u00e8res sous leur moyenne sur cinq ans, autour de 440 millions de barils. Si les stocks am\u00e9ricains continuent de diminuer parall\u00e8lement \u00e0 des arr\u00eats d\u2019exp\u00e9ditions iraniennes, le WTI pourrait ais\u00e9ment tester le seuil de 90 $ d\u2019ici fin ao\u00fbt. Nous conseillons de maintenir des stop-loss serr\u00e9s sur toute position vendeuse, le risque d\u2019un squeeze soudain et explosif demeurant exceptionnellement \u00e9lev\u00e9.<\/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>Choc p\u00e9trolier en vue : le WTI grimpe \u00e0 81,10 $ (+13 % sur la semaine) apr\u00e8s des frappes am\u00e9ricaines et des menaces iraniennes sur Ormuz. Volatilit\u00e9 explosive, options privil\u00e9gi\u00e9es, cap potentiel vers 90 $.<\/p>\n","protected":false},"author":87,"featured_media":49315,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[10],"tags":[],"class_list":["post-50546","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 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Choc p\u00e9trolier en vue : le WTI grimpe \u00e0 81,10 $ (+13 % sur la semaine) apr\u00e8s des frappes am\u00e9ricaines et des menaces iraniennes sur Ormuz. Volatilit\u00e9 explosive, options privil\u00e9gi\u00e9es, cap potentiel vers 90 $.\" \/>\n\t<meta name=\"robots\" content=\"max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.vtmarkets.com\/fr-latam\/live-updates\/le-wti-depasse-81-dollars-alors-que-liran-menace-de-fermer-le-detroit-dormuz-alimentant-la-hausse-hebdomadaire-et-la-volatilite-des-options\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO Pro (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"VT Markets -\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Le WTI d\u00e9passe 81 dollars alors que l\u2019Iran menace de fermer le d\u00e9troit d\u2019Ormuz, alimentant la hausse hebdomadaire et la volatilit\u00e9 des options - VT Markets\" \/>\n\t\t<meta property=\"og:description\" content=\"Choc p\u00e9trolier en vue : le WTI grimpe \u00e0 81,10 $ (+13 % sur la semaine) apr\u00e8s des frappes am\u00e9ricaines et des menaces iraniennes sur Ormuz. 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