{"id":69364,"date":"2026-10-08T02:40:36","date_gmt":"2026-10-08T02:40:36","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-eu\/uncategorized\/backtest-flags-softer-sp-500-returns-near-highs-as-breadth-weakens-and-rates-volatility-rises\/"},"modified":"2026-10-08T02:40:36","modified_gmt":"2026-10-08T02:40:36","slug":"backtest-flags-softer-sp-500-returns-near-highs-as-breadth-weakens-and-rates-volatility-rises","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-eu\/live-updates\/backtest-flags-softer-sp-500-returns-near-highs-as-breadth-weakens-and-rates-volatility-rises\/","title":{"rendered":"Un backtest signale des performances plus modestes du S&#038;P 500 \u00e0 proximit\u00e9 de ses sommets, sur fond de repli de la largeur de march\u00e9 et de hausse de la volatilit\u00e9 des taux"},"content":{"rendered":"<p>Un backtest combinant l\u2019ampleur de march\u00e9 actions, la volatilit\u00e9 des taux et les conditions de cr\u00e9dit sugg\u00e8re des performances \u00e0 terme plus faibles lorsque les actions am\u00e9ricaines \u00e9voluent pr\u00e8s de leurs records. Le filtre impose que le S&#038;P 500 se situe \u00e0 moins de 5% de son plus haut historique, que le MOVE soit au moins \u00e0 80% de son plus haut sur 52 semaines, que le ratio d\u2019indice HYG\/Treasuries soit inf\u00e9rieur \u00e0 sa moyenne mobile \u00e0 50 jours, et que les \u00ab net new highs \u00bb du NYSE soient n\u00e9gatifs. Sur les 120 jours suivants, le S&#038;P 500 a affich\u00e9 en moyenne un gain de 0,5% contre 4,5% pour une journ\u00e9e \u00ab proche des plus hauts \u00bb typique, et 54% des signaux ont \u00e9t\u00e9 suivis de hausses contre 75% habituellement. Les replis ont \u00e9t\u00e9 plus marqu\u00e9s : une baisse sup\u00e9rieure \u00e0 10% s\u2019est produite 42% du temps contre 22% normalement, tandis que des reculs de plus de 5% ont eu lieu 54% du temps contre 38%. Des ajustements de param\u00e8tres \u00e0 proximit\u00e9 (\u00e9cart aux plus hauts de 2\/3\/5\/10%, MOVE \u00e0 70\/80\/90%, net new highs sous 0\/-50\/-100) continuaient d\u2019aboutir \u00e0 une sous-performance \u00e0 120 jours de 2% \u00e0 10% lorsqu\u2019il y avait au moins cinq occurrences de signal.<\/p>\n\n<p>Les signaux avaient tendance \u00e0 se regrouper : 2007 a pr\u00e9c\u00e9d\u00e9 la crise financi\u00e8re, 2015 a devanc\u00e9 la correction de 2015\u20132016, 2021 a pr\u00e9c\u00e9d\u00e9 le march\u00e9 baissier de 2022, et 2019 s\u2019est av\u00e9r\u00e9 une fausse alerte jusqu\u2019au Covid en 2020, un verrouillage de 20 jours cr\u00e9ant un chevauchement des fen\u00eatres \u00e0 60 et 120 jours. Les niveaux actuels \u00e9taient jug\u00e9s \u00ab forts \u00bb, avec une moyenne \u00e0 10 jours des net new highs \u00e0 -108, plus mauvaise que 92% des journ\u00e9es de signal pass\u00e9es ; le MOVE \u00e9tait proche de son plus haut annuel, tandis que les spreads \u00e9taient plus contenus que lors de la plupart des signaux ant\u00e9rieurs. Par ailleurs, l\u2019EURUSD aurait retest\u00e9 1,1270\/20, avec des niveaux pr\u00e9c\u00e9dents \u00e0 1,1270\/1,1320 et un point haut \u00e0 1,1277 ; le positionnement \u00e9tait d\u00e9crit comme long USD, ce qui plaide pour un EURUSD et un EURCHF heurt\u00e9s avec un biais baissier ; les spreads fran\u00e7ais \u00e9taient jug\u00e9s pas encore suffisamment \u00e9cart\u00e9s pour justifier de nouveaux plus bas de l\u2019euro.<\/p>\n\n<h3>Equity Market Signal Clusters And Drawdowns<\/h3>\n\n<p>Les signaux avaient tendance \u00e0 se regrouper : 2007 a pr\u00e9c\u00e9d\u00e9 la crise financi\u00e8re, 2015 a devanc\u00e9 la correction de 2015\u20132016, 2021 a pr\u00e9c\u00e9d\u00e9 le march\u00e9 baissier de 2022, et 2019 s\u2019est av\u00e9r\u00e9 une fausse alerte jusqu\u2019au Covid en 2020, un verrouillage de 20 jours cr\u00e9ant un chevauchement des fen\u00eatres \u00e0 60 et 120 jours. Les niveaux actuels \u00e9taient jug\u00e9s \u00ab forts \u00bb, avec une moyenne \u00e0 10 jours des net new highs \u00e0 -108, plus mauvaise que 92% des journ\u00e9es de signal pass\u00e9es ; le MOVE \u00e9tait proche de son plus haut annuel, tandis que les spreads \u00e9taient plus contenus que lors de la plupart des signaux ant\u00e9rieurs.<\/p>\n\n<h3>European FX And Spreads Context<\/h3>\n\n<p>Par ailleurs, l\u2019EURUSD aurait retest\u00e9 1,1270\/20, avec des niveaux pr\u00e9c\u00e9dents \u00e0 1,1270\/1,1320 et un point haut \u00e0 1,1277 ; le positionnement \u00e9tait d\u00e9crit comme long USD, ce qui plaide pour un EURUSD et un EURCHF heurt\u00e9s avec un biais baissier ; les spreads fran\u00e7ais \u00e9taient jug\u00e9s pas encore suffisamment \u00e9cart\u00e9s pour justifier de nouveaux plus bas de l\u2019euro.<\/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>Attention au faux sommet : un filtre actions-taux-cr\u00e9dit signale une sous-performance du S&#038;P 500 \u00e0 120 jours pr\u00e8s des records, avec drawdowns plus fr\u00e9quents. MOVE \u00e9lev\u00e9, breadth n\u00e9gative; EURUSD sous pression, spreads fran\u00e7ais pas d\u00e9cisifs.<\/p>\n","protected":false},"author":87,"featured_media":69363,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-69364","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=\"Attention au faux sommet : un filtre actions-taux-cr\u00e9dit signale une sous-performance du S&amp;P 500 \u00e0 120 jours pr\u00e8s des records, avec drawdowns plus fr\u00e9quents. 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