{"id":53429,"date":"2026-09-14T21:35:51","date_gmt":"2026-09-14T21:35:51","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-latam\/uncategorized\/le-communique-de-la-fed-ninfluence-plus-la-volatilite-du-dollar-lois-et-la-conference-de-presse-prenant-le-relais\/"},"modified":"2026-09-14T21:35:51","modified_gmt":"2026-09-14T21:35:51","slug":"le-communique-de-la-fed-ninfluence-plus-la-volatilite-du-dollar-lois-et-la-conference-de-presse-prenant-le-relais","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-latam\/live-updates\/le-communique-de-la-fed-ninfluence-plus-la-volatilite-du-dollar-lois-et-la-conference-de-presse-prenant-le-relais\/","title":{"rendered":"Le communiqu\u00e9 de la Fed n\u2019influence plus la volatilit\u00e9 du dollar, l\u2019OIS et la conf\u00e9rence de presse prenant le relais"},"content":{"rendered":"<p>Pfister et Liebke examinent trois d\u00e9cennies de r\u00e9unions du FOMC, en dissociant les surprises de taux des chocs de \u00ab forward guidance \u00bb et en retra\u00e7ant leurs effets sur le dollar am\u00e9ricain et les autres devises du G10. En s\u2019appuyant sur la distinction de Jaroci\u0144ski et Kaladi (2020) entre chocs de politique mon\u00e9taire \u2014 lorsque les actions et les taux \u00e9voluent en sens oppos\u00e9 \u2014 et chocs d\u2019information \u2014 lorsque les deux \u00e9voluent dans le m\u00eame sens \u2014 ils constatent que le \u00ab forward guidance \u00bb compte bien davantage pour le dollar dans le r\u00e9gime des chocs de politique mon\u00e9taire.<\/p>\n<p>Dans le cas des chocs de politique mon\u00e9taire, le facteur \u00ab forward guidance \u00bb explique environ 21 % de la variance du USD le jour m\u00eame, tandis que la configuration implicite selon les mandats des pr\u00e9sidents varie. \u00c0 la fin de la p\u00e9riode d\u2019Alan Greenspan et sous Ben Bernanke, la d\u00e9composition entre taux et guidance n\u2019explique qu\u2019une faible part de la variance du USD les jours de r\u00e9union, mais sous Janet Yellen elle plus que double pour atteindre pr\u00e8s de 39 % de la variance quotidienne. Sous Jerome Powell, la variance expliqu\u00e9e par cette d\u00e9composition s\u2019effondre et les deux facteurs deviennent non significatifs, parall\u00e8lement \u00e0 un d\u00e9placement de l\u2019information hors du communiqu\u00e9. Sur les 21 derni\u00e8res r\u00e9unions depuis d\u00e9but 2024 \u2014 deux sous Warsh et 19 sous Powell \u2014 la variation du OIS le jour de la r\u00e9union explique environ 62 % de la variance du USD.<\/p>\n<h3>\u00c9volution des moteurs de volatilit\u00e9 sous l\u2019\u00e9quipe actuelle de la Fed<\/h3>\n<p>La r\u00e9union du FOMC ayant lieu cette semaine, nous recommandons aux traders de produits d\u00e9riv\u00e9s de d\u00e9tourner leur attention du communiqu\u00e9 de politique mon\u00e9taire initial. Historiquement, la publication imm\u00e9diate du texte a perdu sa capacit\u00e9 \u00e0 piloter la volatilit\u00e9 du dollar am\u00e9ricain sous l\u2019\u00e9quipe actuelle de la Fed. Il convient plut\u00f4t de suivre de pr\u00e8s les variations intrajournali\u00e8res des swaps index\u00e9s au jour le jour (OIS) ainsi que la conf\u00e9rence de presse en direct.<\/p>\n<p>Les donn\u00e9es r\u00e9centes des cycles de politique mon\u00e9taire 2024-2026 montrent que les variations des taux OIS les jours de r\u00e9union repr\u00e9sentent d\u00e9sormais environ 62 % de la variance du USD. Cela sugg\u00e8re que l\u2019int\u00e9gration par le march\u00e9 du taux terminal \u2014 actuellement proche de 3,5 % \u2014 se fait largement pendant la s\u00e9ance de questions-r\u00e9ponses en direct. Les traders devraient privil\u00e9gier l\u2019ex\u00e9cution d\u2019options de change \u00e0 tr\u00e8s court terme capturant cette volatilit\u00e9 de fin de s\u00e9ance plut\u00f4t que des pics des toutes premi\u00e8res minutes.<\/p>\n<h3>Chocs de politique mon\u00e9taire versus chocs d\u2019information : implications pour les options sur le G10<\/h3>\n<p>Par ailleurs, il faut distinguer les chocs purement li\u00e9s \u00e0 la politique mon\u00e9taire des chocs d\u2019information en observant si les actions et les taux \u00e9voluent en sens oppos\u00e9. Lors de pr\u00e9c\u00e9dents chocs de politique mon\u00e9taire, les surprises de \u00ab forward guidance \u00bb expliquaient jusqu\u2019\u00e0 21 % de la variance des devises du G10 le jour de la r\u00e9union. Pour les prochaines semaines, nous sugg\u00e9rons d\u2019utiliser des straddles sur devises du G10 afin de tirer parti de ces ajustements brusques intervenant apr\u00e8s la conf\u00e9rence de presse.<\/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>Et si le vrai choc FOMC n\u2019\u00e9tait plus le communiqu\u00e9 ? Pfister-Liebke montrent que, sous Powell, l\u2019OIS explique 62% du USD; la guidance p\u00e8se surtout en chocs mon\u00e9taires, options intraday.<\/p>\n","protected":false},"author":87,"featured_media":49281,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[10],"tags":[],"class_list":["post-53429","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=\"Et si le vrai choc FOMC n\u2019\u00e9tait plus le communiqu\u00e9 ? 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