{"id":51813,"date":"2026-07-29T18:52:17","date_gmt":"2026-07-29T18:52:17","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-ca\/uncategorized\/les-marches-sur-le-qui-vive-avant-la-decision-de-la-fed-alors-que-les-resultats-des-geants-technos-et-les-tensions-etats-unis-iran-alimentent-la-volatilite\/"},"modified":"2026-07-29T18:52:17","modified_gmt":"2026-07-29T18:52:17","slug":"les-marches-sur-le-qui-vive-avant-la-decision-de-la-fed-alors-que-les-resultats-des-geants-technos-et-les-tensions-etats-unis-iran-alimentent-la-volatilite","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-ca\/live-updates\/les-marches-sur-le-qui-vive-avant-la-decision-de-la-fed-alors-que-les-resultats-des-geants-technos-et-les-tensions-etats-unis-iran-alimentent-la-volatilite\/","title":{"rendered":"Les march\u00e9s sur le qui-vive avant la d\u00e9cision de la Fed, alors que les r\u00e9sultats des g\u00e9ants technos et les tensions \u00c9tats-Unis\u2013Iran alimentent la volatilit\u00e9"},"content":{"rendered":"<p>Les march\u00e9s mondiaux \u00e9taient f\u00e9briles en amont d\u2019une d\u00e9cision de la R\u00e9serve f\u00e9d\u00e9rale, sur fond de r\u00e9sultats des grandes soci\u00e9t\u00e9s technologiques et de possibilit\u00e9 d\u2019une nouvelle action militaire am\u00e9ricaine contre l\u2019Iran. L\u2019or est repass\u00e9 sous les 4 000 $, tandis que le Dow a effac\u00e9 ses gains, apr\u00e8s avoir \u00e9t\u00e9 per\u00e7u comme une poche d\u00e9fensive des actions am\u00e9ricaines lors de la vente massive touchant les titres mondiaux des semi-conducteurs.<\/p>\n<p>Les prix du p\u00e9trole ont fortement rebondi par rapport aux creux de la veille, les investisseurs int\u00e9grant un regain de tensions entre Washington et T\u00e9h\u00e9ran, ce qui a ajout\u00e9 \u00e0 la pression avant l\u2019\u00e9ch\u00e9ance de la Fed. L\u2019attention de la s\u00e9ance est demeur\u00e9e partag\u00e9e entre politique mon\u00e9taire, r\u00e9sultats d\u2019entreprises et g\u00e9opolitique.<\/p>\n<h3>Hausse de la volatilit\u00e9 sur fond de risques des banques centrales et g\u00e9opolitiques<\/h3>\n<p>Nous entrons dans un contexte extr\u00eamement tendu \u00e0 l\u2019approche d\u2019ao\u00fbt, port\u00e9 par une d\u00e9cision cruciale de la R\u00e9serve f\u00e9d\u00e9rale sur les taux d\u2019int\u00e9r\u00eat et des r\u00e9sultats technos \u00e0 tr\u00e8s fort enjeu. Alors que l\u2019escalade des conflits au Moyen-Orient menace de perturber l\u2019approvisionnement \u00e9nerg\u00e9tique mondial, la volatilit\u00e9 des march\u00e9s s\u2019acc\u00e9l\u00e8re rapidement. Pour les traders de d\u00e9riv\u00e9s, il faut adapter nos strat\u00e9gies sans tarder plut\u00f4t que de conserver aveugl\u00e9ment des positions directionnelles risqu\u00e9es.<\/p>\n<p>Historiquement, l\u2019indice de volatilit\u00e9 CBOE (VIX) a tendance \u00e0 grimper en ao\u00fbt, affichant souvent une hausse saisonni\u00e8re moyenne de plus de 10 %, alors que la liquidit\u00e9 estivale s\u2019amenuise. Combin\u00e9 aux fluctuations erratiques de l\u2019or et au Brent qui remonte vers le seuil des 90 $ US le baril, les primes d\u2019options deviennent exceptionnellement co\u00fbteuses. Nous recommandons de privil\u00e9gier des strat\u00e9gies \u00e0 risque d\u00e9fini, comme les iron condors ou les \u00e9carts de cr\u00e9dit verticaux (vertical credit spreads), afin de tirer parti de cette forte volatilit\u00e9 implicite tout en limitant strictement le risque de baisse.<\/p>\n<h3>Mouvements d\u00e9fensifs strat\u00e9giques pour les portefeuilles<\/h3>\n<p>La d\u00e9route en cours des titres mondiaux des semi-conducteurs, qui a r\u00e9cemment entra\u00een\u00e9 les principaux indices \u00e0 la baisse, illustre \u00e0 quelle vitesse les titres chouchous du march\u00e9 peuvent se retourner. Pour se couvrir contre de nouveaux reculs du secteur technologique en pleine saison de r\u00e9sultats, nous devrions envisager d\u2019acheter des options de vente de protection (puts) sur les principaux FNB indiciels. Cela permet de prot\u00e9ger nos portefeuilles existants tout en \u00e9tablissant un plancher solide contre une vente g\u00e9n\u00e9ralis\u00e9e du march\u00e9.<\/p>\n<p>Comme la trajectoire de la politique de la Fed demeure tr\u00e8s sensible \u00e0 des donn\u00e9es d\u2019inflation qui r\u00e9sistent, les options sur les taux d\u2019int\u00e9r\u00eat \u00e0 court terme int\u00e8grent de tr\u00e8s fortes variations. Nous estimons qu\u2019il est prudent, \u00e0 ce stade, de pr\u00e9server le capital en r\u00e9allouant une portion des portefeuilles actifs vers des \u00e9quivalents de tr\u00e9sorerie offrant un rendement \u00e9lev\u00e9. Prendre temporairement du recul aidera \u00e0 conserver le pouvoir d\u2019achat n\u00e9cessaire pour intervenir lorsque des tendances plus claires se d\u00e9gageront plus tard le mois prochain.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b>Commencez \u00e0 n\u00e9gocier d\u00e8s maintenant \u2014 cliquez <a href=\"https:\/\/www.vtmarkets.com\/fr-ca\/trade-now\/\">ici<\/a> pour cr\u00e9er votre compte r\u00e9el VT Markets.<\/b>\n\n<\/p>","protected":false},"excerpt":{"rendered":"<p>Alerte aux march\u00e9s : Fed imminente, r\u00e9sultats techno et tensions Iran dopent la volatilit\u00e9. Or sous 4 000 $, p\u00e9trole rebondit. Options ch\u00e8res : privil\u00e9gier strat\u00e9gies \u00e0 risque d\u00e9fini, puts et liquidit\u00e9s.<\/p>\n","protected":false},"author":87,"featured_media":49718,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-51813","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=\"Alerte aux march\u00e9s : Fed imminente, r\u00e9sultats techno et tensions Iran dopent la volatilit\u00e9. Or sous 4 000 $, p\u00e9trole rebondit. 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