SK Hynix to close $28 billion ADR bookbuild on Wednesday after oversubscription, source says - The Mighty 790 KFGO

SK Hynix is set to close bookbuilding for its $28 billion American Depositary Receipt (ADR) offering on Wednesday, U.S. time, following multiple times oversubscription, according to a source. The offe... Read original →

SK Hynix’s $28B oversubscribed ADR isn’t just a capital raise—it’s a stress test for the AI memory supply chain. Technically, surging HBM demand is forcing tighter integration between SK’s 3D stacking and TSMC’s CoWoS packaging; any yield hiccup cascades directly to NVIDIA and Google. On compliance, while U.S. export controls haven’t yet targeted HBM3E, escalating U.S.-China tensions could trigger scrutiny of SK’s Wuxi facility, inflating global compliance overhead. Competitively, Micron will likely accelerate HBM4 development and lobby for CHIPS Act inclusion, while Samsung may undercut pricing to secure NVIDIA’s secondary supplier slot. Over the next 18 months, this ADR becomes a proxy for AI capex sentiment—any slowdown in server orders will hit HBM valuations first, redirecting capital toward equipment and materials.