{"id":51956,"date":"2026-08-03T20:53:10","date_gmt":"2026-08-03T20:53:10","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-eu\/uncategorized\/le-wti-chute-les-tensions-entre-les-etats-unis-et-liran-sapaisant-tandis-que-lopep-fixe-une-hausse-de-la-production-en-septembre\/"},"modified":"2026-08-03T20:53:10","modified_gmt":"2026-08-03T20:53:10","slug":"le-wti-chute-les-tensions-entre-les-etats-unis-et-liran-sapaisant-tandis-que-lopep-fixe-une-hausse-de-la-production-en-septembre","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-eu\/live-updates\/le-wti-chute-les-tensions-entre-les-etats-unis-et-liran-sapaisant-tandis-que-lopep-fixe-une-hausse-de-la-production-en-septembre\/","title":{"rendered":"Le WTI chute, les tensions entre les \u00c9tats-Unis et l\u2019Iran s\u2019apaisant, tandis que l\u2019OPEP+ fixe une hausse de la production en septembre"},"content":{"rendered":"<p>Le WTI s\u2019\u00e9changeait autour de 78,45 $ lundi, en baisse de 7,76% sur la journ\u00e9e, la prime de risque g\u00e9opolitique s\u2019\u00e9tant d\u00e9tendue apr\u00e8s des indications d\u2019un possible cadre \u00c9tats-Unis\u2013Iran couvrant le programme nucl\u00e9aire iranien et le d\u00e9troit d\u2019Ormuz. Des discussions \u00e9taient pr\u00e9vues lundi apr\u00e8s-midi, tandis que le minist\u00e8re iranien des Affaires \u00e9trang\u00e8res a d\u00e9clar\u00e9 qu\u2019il n\u2019y avait pas de discussions avec les \u00c9tats-Unis sur une r\u00e9ouverture d\u2019Ormuz et que les \u00e9changes avec Oman se poursuivaient.<\/p>\n<p>Du c\u00f4t\u00e9 de l\u2019offre, l\u2019OPEP+ a convenu dimanche de relever les quotas de production d\u2019environ 188 000 barils par jour \u00e0 partir de septembre, achevant le d\u00e9mant\u00e8lement des r\u00e9ductions volontaires introduites en 2023. Les flux physiques via Ormuz, y compris les transferts de navire \u00e0 navire dans le golfe d\u2019Oman, ont \u00e9t\u00e9 rapport\u00e9s entre 3 et 4,5 Mb\/j au cours des deux derni\u00e8res semaines, en ligne avec les niveaux actuels de production. Les mouvements de prix entre r\u00e9f\u00e9rences ont \u00e9t\u00e9 contrast\u00e9s : le Brent a recul\u00e9 de 4,652% \u00e0 83,84 et le WTI a c\u00e9d\u00e9 5,799% \u00e0 79,76, tandis que le brut d\u2019Oman a perdu 3,525% \u00e0 79,93 ; le brut de Duba\u00ef a progress\u00e9 de 1,8% \u00e0 81,109.<\/p>\n<h3>Volatilit\u00e9 de march\u00e9 et strat\u00e9gies \u00e0 court terme<\/h3>\n<p>Avec un West Texas Intermediate en chute de plus de 7% \u00e0 78,45 $ aujourd\u2019hui, nous estimons que les op\u00e9rateurs sur d\u00e9riv\u00e9s doivent se pr\u00e9parer \u00e0 une volatilit\u00e9 accrue \u00e0 tr\u00e8s court terme, \u00e0 mesure que les syst\u00e8mes automatis\u00e9s de suivi de tendance liquident leurs positions longues. Ce d\u00e9bouclement rapide de la prime de risque g\u00e9opolitique constitue une sur-r\u00e9action classique que les traders d\u2019options peuvent viser. Nous sugg\u00e9rons d\u2019acheter des options de vente (puts) \u00e0 \u00e9ch\u00e9ance courte pour accompagner l\u2019\u00e9lan baissier imm\u00e9diat, tout en restant prudents : le march\u00e9 est susceptible de trouver un plancher solide plus vite que pr\u00e9vu.<\/p>\n<h3>Tension du march\u00e9 physique et opportunit\u00e9s \u00e0 moyen terme<\/h3>\n<p>Si les titres laissent entrevoir une perc\u00e9e diplomatique, il faut regarder la r\u00e9alit\u00e9 physique : le trafic de p\u00e9troliers dans le d\u00e9troit d\u2019Ormuz demeure fortement contraint, \u00e0 seulement 3 \u00e0 4,5 millions de barils par jour. Historiquement, les stocks mondiaux de brut en pleine saison de demande, au pic d\u2019ao\u00fbt, sont d\u00e9j\u00e0 tendus, et les derni\u00e8res donn\u00e9es \u00e9nerg\u00e9tiques montrent que les stocks commerciaux de brut aux \u00c9tats-Unis gravitent autour de 422 millions de barils, soit environ 4% sous la moyenne saisonni\u00e8re sur cinq ans. Pour tirer parti de cet \u00e9cart entre les ventes sur le march\u00e9 \u00ab papier \u00bb et la tension de l\u2019offre physique, nous recommandons de vendre des puts hors de la monnaie ou de mettre en place des spreads haussiers via achats d\u2019options d\u2019achat (bull call spreads) afin de capter un rebond de prix attendu.<\/p>\n<p>Les op\u00e9rateurs sur d\u00e9riv\u00e9s doivent \u00e9galement int\u00e9grer la hausse de production OPEP+ de 188 000 barils par jour pr\u00e9vue en septembre, qui ajoutera progressivement de l\u2019offre physique sur le march\u00e9. Cette augmentation programm\u00e9e, combin\u00e9e \u00e0 une diplomatie \u00c9tats-Unis\u2013Iran hautement impr\u00e9visible, devrait maintenir l\u2019indice de volatilit\u00e9 du p\u00e9trole brut nettement au-dessus de sa moyenne historique. Pour les prochaines semaines, nous conseillons de recourir \u00e0 des spreads calendaires afin de b\u00e9n\u00e9ficier des effets diff\u00e9renci\u00e9s du bruit diplomatique \u00e0 court terme par rapport aux augmentations d\u2019offre \u00e0 plus long terme.<\/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>Chute spectaculaire du WTI \u00e0 78,45 $ (-7,76%) : la d\u00e9tente g\u00e9opolitique autour d\u2019un possible cadre \u00c9tats-Unis\u2013Iran efface la prime de risque, tandis que l\u2019OPEP+ augmente en septembre (+188 kb\/j) et la volatilit\u00e9 grimpe.<\/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-51956","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=\"Chute spectaculaire du WTI \u00e0 78,45 $ (-7,76%) : la d\u00e9tente g\u00e9opolitique autour d\u2019un possible cadre \u00c9tats-Unis\u2013Iran efface la prime de risque, tandis que l\u2019OPEP+ augmente en septembre (+188 kb\/j) et la volatilit\u00e9 grimpe.\" \/>\n\t<meta name=\"robots\" content=\"max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n\t<link rel=\"canonical\" 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