{"id":53972,"date":"2026-09-14T21:20:38","date_gmt":"2026-09-14T21:20:38","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-eu\/uncategorized\/le-communique-de-la-fed-ninfluence-plus-la-volatilite-du-dollar-desormais-dictee-par-les-ois-et-la-conference-de-presse\/"},"modified":"2026-09-14T21:20:38","modified_gmt":"2026-09-14T21:20:38","slug":"le-communique-de-la-fed-ninfluence-plus-la-volatilite-du-dollar-desormais-dictee-par-les-ois-et-la-conference-de-presse","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-eu\/live-updates\/le-communique-de-la-fed-ninfluence-plus-la-volatilite-du-dollar-desormais-dictee-par-les-ois-et-la-conference-de-presse\/","title":{"rendered":"Le communiqu\u00e9 de la Fed n\u2019influence plus la volatilit\u00e9 du dollar, d\u00e9sormais dict\u00e9e par les OIS et la conf\u00e9rence de presse"},"content":{"rendered":"<p>Pfister et Liebke analysent trois d\u00e9cennies de r\u00e9unions du FOMC, en s\u00e9parant les surprises de taux des chocs de forward guidance et en retra\u00e7ant leurs effets sur le dollar am\u00e9ricain et les autres devises du G10. En s\u2019appuyant sur la d\u00e9composition de Jaroci\u0144ski et Kaladi (2020) entre chocs de politique mon\u00e9taire \u2014 lorsque les actions et les taux \u00e9voluent en sens inverse \u2014 et chocs d\u2019information \u2014 lorsqu\u2019ils \u00e9voluent de concert \u2014, ils constatent que la forward guidance compte nettement davantage pour le dollar dans le r\u00e9gime des chocs de politique mon\u00e9taire.<\/p>\n<p>Dans les chocs de politique mon\u00e9taire, le facteur de forward guidance explique environ 21 % de la variance du USD le jour m\u00eame, tandis que la dynamique implicite varie selon les mandats des pr\u00e9sidents de la Fed. Sur la fin de la p\u00e9riode d\u2019Alan Greenspan et sous Ben Bernanke, la d\u00e9composition taux\/forward 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 au d\u00e9triment 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 de l\u2019OIS le jour de r\u00e9union repr\u00e9sente environ 62 % de la variance du USD.<\/p>\n<h3>Glissement des moteurs de volatilit\u00e9 sous la direction actuelle de la Fed<\/h3>\n<p>La r\u00e9union du FOMC ayant lieu cette semaine, nous conseillons aux traders de d\u00e9riv\u00e9s de d\u00e9tourner leur attention du communiqu\u00e9 initial de politique mon\u00e9taire. Historiquement, la publication imm\u00e9diate du texte a perdu sa capacit\u00e9 \u00e0 g\u00e9n\u00e9rer de la volatilit\u00e9 sur le dollar am\u00e9ricain sous la direction actuelle de la Fed. \u00c0 la place, il convient de surveiller de pr\u00e8s les variations intrajournali\u00e8res des Overnight Indexed Swaps (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 expliquent d\u00e9sormais environ 62 % de la variance du USD. Cela sugg\u00e8re que l\u2019int\u00e9gration par le march\u00e9 du niveau 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 privil\u00e9gieront des options de change de court terme visant \u00e0 capter cette volatilit\u00e9 de fin de s\u00e9ance plut\u00f4t que les pics des premi\u00e8res minutes.<\/p>\n<h3>Chocs de politique mon\u00e9taire versus chocs d\u2019information : implications pour les options G10<\/h3>\n<p>Il faut en outre distinguer les chocs de politique mon\u00e9taire \u00ab purs \u00bb des chocs d\u2019information en observant si les actions et les taux \u00e9voluent en sens inverse. Lors des pr\u00e9c\u00e9dents chocs de politique mon\u00e9taire, les surprises de forward guidance expliquaient jusqu\u2019\u00e0 21 % de la variance des devises du G10 le jour de la r\u00e9union. Dans les prochaines semaines, nous sugg\u00e9rons d\u2019utiliser des straddles sur devises G10 afin de tirer parti de ces ajustements brusques post-conf\u00e9rence de presse.<\/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>Et si la vraie surprise du FOMC n\u2019\u00e9tait plus le communiqu\u00e9 ? Pfister et Liebke montrent que l\u2019OIS et la conf\u00e9rence de presse pilotent d\u00e9sormais le dollar, la forward guidance comptant surtout en chocs \u00ab mon\u00e9taires \u00bb.<\/p>\n","protected":false},"author":87,"featured_media":49610,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-53972","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 la vraie surprise du FOMC n\u2019\u00e9tait plus le communiqu\u00e9 ? 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