{"id":51697,"date":"2026-07-28T12:52:08","date_gmt":"2026-07-28T12:52:08","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-ca\/uncategorized\/les-perpetuelles-de-sk-hynix-chutent-de-20-sur-hyperliquid-alors-que-laction-plonge-a-seoul-et-que-le-kospi-recule-de-11\/"},"modified":"2026-07-28T12:52:08","modified_gmt":"2026-07-28T12:52:08","slug":"les-perpetuelles-de-sk-hynix-chutent-de-20-sur-hyperliquid-alors-que-laction-plonge-a-seoul-et-que-le-kospi-recule-de-11","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-ca\/live-updates\/les-perpetuelles-de-sk-hynix-chutent-de-20-sur-hyperliquid-alors-que-laction-plonge-a-seoul-et-que-le-kospi-recule-de-11\/","title":{"rendered":"Les perp\u00e9tuelles de SK Hynix chutent de 20 % sur Hyperliquid alors que l\u2019action plonge \u00e0 S\u00e9oul et que le Kospi recule de 11 %"},"content":{"rendered":"<p>Les contrats \u00e0 terme perp\u00e9tuels li\u00e9s \u00e0 SK Hynix ont connu une dislocation rapide sur Hyperliquid, chutant de 20 % \u00e0 900 $ entre 23 h 00 UTC et 23 h 01 UTC avant de repasser au-dessus de 1 000 $ une minute plus tard; ils \u00e9taient last quoted \u00e0 1 092 $. Le contrat est libell\u00e9 en USDC, et le mouvement est survenu avant un repli du titre sous-jacent cot\u00e9 \u00e0 S\u00e9oul.<\/p>\n\n<p>Environ une heure apr\u00e8s la baisse, le march\u00e9 sud-cor\u00e9en a ouvert en repli et SK Hynix a termin\u00e9 la s\u00e9ance en baisse de 15 % \u00e0 1 550 000 wons (1 762 $), tandis que l\u2019indice Kospi a c\u00e9d\u00e9 11 %. Aux \u00c9tats-Unis, les ADR de SK Hynix \u2014 o\u00f9 10 certificats \u00e9quivalent \u00e0 une action ordinaire \u2014 reculaient de 4,5 % en n\u00e9gociation pr\u00e9ouverture \u00e0 136,51 $. SK Hynix a recul\u00e9 de pr\u00e8s de 48 % par rapport \u00e0 son sommet du 26 juin \u00e0 1 947 wons. Nvidia, un barom\u00e8tre important de la demande finale pour la HBM, a perdu 5 % lundi \u00e0 la suite d\u2019un article du Wall Street Journal \u00e9voquant un \u00e9ventuel filet de s\u00e9curit\u00e9 financier de 250 G$ li\u00e9 \u00e0 un projet de centre de donn\u00e9es soutenu par OpenAI.<\/p>\n\n<h3>D\u00e9fis de liquidit\u00e9 et risques de n\u00e9gociation dans les d\u00e9riv\u00e9s d\u00e9centralis\u00e9s<\/h3>\n\n<p>Nous assistons \u00e0 un s\u00e9rieux signal d\u2019alarme pour les op\u00e9rateurs de d\u00e9riv\u00e9s : le r\u00e9cent krach \u00e9clair de 20 % sur Hyperliquid montre \u00e0 quel point la liquidit\u00e9 peut \u00eatre fragile en dehors des heures de march\u00e9. Cette chute soudaine des perp\u00e9tuels de SK Hynix, juste avant l\u2019ouverture du march\u00e9 cor\u00e9en, met en \u00e9vidence le danger de n\u00e9gocier des actifs synth\u00e9tiques lorsque les bourses traditionnelles sont ferm\u00e9es. Nous conseillons aux traders de r\u00e9duire drastiquement l\u2019effet de levier sur les plateformes d\u00e9centralis\u00e9es entre la cl\u00f4ture du march\u00e9 am\u00e9ricain et l\u2019ouverture des march\u00e9s asiatiques, lorsque la faible profondeur des carnets d\u2019ordres rend les comptes tr\u00e8s vuln\u00e9rables \u00e0 des liquidations soudaines.<\/p>\n\n<h3>Correction sectorielle et strat\u00e9gies de gestion du risque<\/h3>\n\n<p>L\u2019ensemble du secteur des semi-conducteurs traverse une correction douloureuse, l\u2019indice Kospi plongeant de 11 % et SK Hynix c\u00e9dant pr\u00e8s de 48 % par rapport \u00e0 son sommet de fin juin. Historiquement, les replis marqu\u00e9s des semi-conducteurs \u2014 comme en 2022 lors de la surabondance de puces, o\u00f9 l\u2019indice Philadelphia Semiconductor a perdu plus de 35 % \u2014 montrent que ces corrections n\u00e9cessitent souvent plusieurs semaines de consolidation avant d\u2019atteindre un v\u00e9ritable plancher. Nous recommandons de couvrir les portefeuilles au comptant en vendant \u00e0 d\u00e9couvert de fa\u00e7on s\u00e9lective des perp\u00e9tuels li\u00e9s \u00e0 l\u2019IA, mais uniquement lors de p\u00e9riodes de forts volumes, quand les \u00e9carts sont les plus serr\u00e9s.<\/p>\n\n<p>Au cours des prochaines semaines d\u2019ao\u00fbt, il faudra surveiller de pr\u00e8s les \u00e9carts de prix entre les perp\u00e9tuels d\u00e9centralis\u00e9s et les American depositary receipts (ADR) traditionnels afin de profiter de br\u00e8ves inefficiences d\u2019arbitrage. Alors que les ADR de SK Hynix reculent d\u00e9j\u00e0 de 4,5 % et que Nvidia fait face \u00e0 ses propres vents contraires en raison d\u2019importants engagements dans les centres de donn\u00e9es, l\u2019\u00e9lan haussier du mat\u00e9riel d\u2019IA a temporairement ralenti. Pour traverser ces poches locales d\u2019ass\u00e8chement de liquidit\u00e9, les traders devraient \u00e9largir leurs limites de stop-loss et maintenir des marges de garantie plus \u00e9lev\u00e9es qu\u2019\u00e0 l\u2019habitude.<\/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 liquidit\u00e9 : les perp\u00e9tuels SK Hynix sur Hyperliquid ont d\u00e9croch\u00e9 de 20 % en une minute avant rebond. La correction s\u2019\u00e9tend (Kospi -11 %, SK Hynix -15 %, ADR -4,5 %) : prudence, levier r\u00e9duit.<\/p>\n","protected":false},"author":87,"featured_media":49617,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-51697","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 liquidit\u00e9 : les perp\u00e9tuels SK Hynix sur Hyperliquid ont d\u00e9croch\u00e9 de 20 % en une minute avant rebond. 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La correction s\u2019\u00e9tend (Kospi -11 %, SK Hynix -15 %, ADR -4,5 %) : prudence, levier r\u00e9duit.\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BlogPosting\",\"@id\":\"https:\\\/\\\/www.vtmarkets.com\\\/fr-ca\\\/live-updates\\\/les-perpetuelles-de-sk-hynix-chutent-de-20-sur-hyperliquid-alors-que-laction-plonge-a-seoul-et-que-le-kospi-recule-de-11\\\/#blogposting\",\"name\":\"Les perp\\u00e9tuelles de SK Hynix chutent de 20 % sur Hyperliquid alors que l\\u2019action plonge \\u00e0 S\\u00e9oul et que le Kospi recule de 11 % - VT Markets\",\"headline\":\"Les perp\\u00e9tuelles de SK Hynix chutent de 20 % sur Hyperliquid alors que l\\u2019action plonge \\u00e0 S\\u00e9oul et que le Kospi recule de 11 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