{"id":50904,"date":"2026-07-17T23:25:59","date_gmt":"2026-07-17T23:25:59","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-eu\/uncategorized\/le-wti-depasse-les-81-dollars-alors-que-liran-menace-le-detroit-dormuz-alimentant-la-hausse-hebdomadaire-et-la-volatilite-des-options\/"},"modified":"2026-07-17T23:25:59","modified_gmt":"2026-07-17T23:25:59","slug":"le-wti-depasse-les-81-dollars-alors-que-liran-menace-le-detroit-dormuz-alimentant-la-hausse-hebdomadaire-et-la-volatilite-des-options","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-eu\/live-updates\/le-wti-depasse-les-81-dollars-alors-que-liran-menace-le-detroit-dormuz-alimentant-la-hausse-hebdomadaire-et-la-volatilite-des-options\/","title":{"rendered":"Le WTI d\u00e9passe les 81 dollars alors que l\u2019Iran menace 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% alors que les tensions au Moyen-Orient s\u2019intensifiaient. Ce dernier mouvement fait suite \u00e0 une nouvelle vague de frappes am\u00e9ricaines sur des installations militaires iraniennes, le Central Command des \u00c9tats-Unis indiquant que ces op\u00e9rations visaient \u00e0 d\u00e9grader les capacit\u00e9s de l\u2019Iran et \u00e0 poursuivre les activit\u00e9s autour du d\u00e9troit d\u2019Ormuz. Les Gardiens de la R\u00e9volution islamique iraniens ont d\u00e9clar\u00e9 qu\u2019aucune exportation de p\u00e9trole ou de gaz ne passerait par le d\u00e9troit d\u2019Ormuz tant que les frappes se poursuivaient, tandis que le Qatar a fait \u00e9tat de l\u2019interception d\u2019une attaque de missiles.<\/p>\n\n<p>Le bras de fer a raviv\u00e9 l\u2019attention sur les points d\u2019\u00e9tranglement maritimes, l\u2019Iran mena\u00e7ant \u00e9galement de fermer la mer Rouge, et l\u2019attention se portant sur le d\u00e9troit de Bab el-Mandeb. L\u2019Agence internationale de l\u2019\u00e9nergie a averti qu\u2019un arr\u00eat prolong\u00e9 des exp\u00e9ditions via Ormuz accro\u00eetrait les risques pour la s\u00e9curit\u00e9 \u00e9nerg\u00e9tique mondiale, tandis que Commerzbank estime qu\u2019un blocus de l\u2019une ou l\u2019autre des routes pourrait pousser les prix plus haut et souligne le potentiel d\u2019une hausse des importations chinoises de p\u00e9trole brut \u00e0 mesure que des cargaisons auparavant en transit arrivent \u00e0 destination. Le WTI (West Texas Intermediate) est une r\u00e9f\u00e9rence am\u00e9ricaine de brut l\u00e9ger et \u00ab sweet \u00bb, distribu\u00e9e via le hub de Cushing ; son prix d\u00e9pend de l\u2019offre et de la demande, des perturbations g\u00e9opolitiques, des d\u00e9cisions de l\u2019OPEP et du dollar, les donn\u00e9es de stocks \u00e9tant suivies via les rapports hebdomadaires de l\u2019API et de l\u2019EIA, qui co\u00efncident \u00e0 moins de 1% dans 75% des cas.<\/p>\n\n<h3>Volatilit\u00e9 du march\u00e9 des d\u00e9riv\u00e9s et positionnement de trading<\/h3>\n\n<p>Alors que le WTI s\u2019est envol\u00e9 au-del\u00e0 de 81 $ apr\u00e8s un gain hebdomadaire massif de 13%, il faut se pr\u00e9parer \u00e0 une volatilit\u00e9 extr\u00eame sur les march\u00e9s de d\u00e9riv\u00e9s au cours des prochaines semaines. La menace d\u2019un blocus total du d\u00e9troit d\u2019Ormuz, par lequel transitent environ 20 millions de barils par jour \u2014 soit pr\u00e8s de 20% de la consommation mondiale de liquides p\u00e9troliers \u2014 rend temporairement obsol\u00e8tes les mod\u00e8les classiques d\u2019offre. Nous recommandons aux traders de privil\u00e9gier des strat\u00e9gies tirant parti de brusques mouvements haussiers et d\u2019une volatilit\u00e9 implicite accrue.<\/p>\n\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 de hausse suppl\u00e9mentaire sans exposer un capital illimit\u00e9 via les contrats \u00e0 terme dans un contexte agit\u00e9. Pour ceux qui cherchent \u00e0 exploiter des amplitudes de march\u00e9 importantes, les straddles longs apparaissent tout \u00e0 fait pertinents, alors que le march\u00e9 int\u00e8gre le risque d\u2019une fermeture du d\u00e9troit de Bab el-Mandeb, qui assure pr\u00e8s de 10% du commerce mondial de p\u00e9trole transport\u00e9 par voie maritime. Historiquement, lors de chocs g\u00e9opolitiques sur l\u2019offre comme les attaques de drones contre Saudi Aramco en 2019, la volatilit\u00e9 implicite du p\u00e9trole a bondi bien au-del\u00e0 de 40%, un sch\u00e9ma que nous nous attendons \u00e0 voir se reproduire dans l\u2019environnement actuel.<\/p>\n\n<h3>Dynamique des stocks et gestion du risque de prix<\/h3>\n\n<p>Il faut \u00e9galement surveiller de pr\u00e8s les rapports hebdomadaires de l\u2019EIA sur les stocks, d\u2019autant que les r\u00e9serves commerciales am\u00e9ricaines de brut ont d\u00e9j\u00e0 enregistr\u00e9 des baisses saisonni\u00e8res sous leur moyenne quinquennale d\u2019environ 440 millions de barils. Si les stocks am\u00e9ricains continuent de reculer parall\u00e8lement aux interruptions des exp\u00e9ditions iraniennes, le WTI pourrait ais\u00e9ment tester le seuil de 90 $ d\u2019ici la 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\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>Choc sur le p\u00e9trole : le WTI grimpe \u00e0 81,10$ (+2,76%) et vise +13% hebdo. Frappes US, menaces iraniennes sur Ormuz\/mer Rouge dopent volatilit\u00e9; options et prudence, stocks US bas.<\/p>\n","protected":false},"author":87,"featured_media":49628,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-50904","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=\"Choc sur le p\u00e9trole : le WTI grimpe \u00e0 81,10$ (+2,76%) et vise +13% hebdo. 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