The AI Investor
AI Stock Investing & Research
The Roundhill Memory ETF looks vulnerable because its late launch fits the pattern of Wall Street selling hot themes to the public shortly before they top. DRAM was a monster trade of 2026 in April and May, led by Sandisk and Micron. It topped two months after debut and is rolling into Stage 4 against its 10-week EMA; the similarly late-launched FOTO photonics ETF topped in just two weeks. x.comÂ
Memory stocks are a temporarily hot theme that is likely to be replaced within months or years, which makes them a poor fit for long-term holders. x.comÂ
The Roundhill Memory ETF looks attractive because its largest daily buy volume in nearly two months extends the earlier accumulation sequence. Sellers may still have momentum; the bull case would be a large lower wick holding $60 into year-end. Calls to bet on it are extremely cheap. x.comÂ
The Tema Memory ETF offers a way to play the memory boom without picking the winning stock. Memory chip revenue is forecast to rise from $200B in 2025 to over $700B in 2027, but HBM, DRAM and NAND don't always move together, so being right on the theme can still mean picking the wrong ticker. The fund holds 18 names led by SanDisk, Kioxia and SK hynix, including Korean and Japanese stocks hard to buy from US accounts. It is concentrated, new and charges 0.75%, so size it as a theme bet. x.comÂ
Memory stocks may be at a local top, because the launch of a new 2x leveraged ETF on a sector, such as RAM tracking the Roundhill Memory ETF, has had an uncanny ability to mark local tops. x.comÂ
Memory stocks are a steal with the Roundhill Memory ETF under $50, because memory demand is nowhere near finished. These companies have reported only incredible earnings since the highs. x.comÂ
Memory stocks look set to sell the news of SK hynix's US listing, with massive head-and-shoulders tops forming across memory names, which hits Micron, SanDisk and memory exposure broadly. The US listing traded at a premium to SK hynix's Korean shares, a gap likely to reconcile quickly. There are reports of significant liquidations and margin calls in Korea, and the KOSPI hit its 100-day moving average for the first time since April 2025. It is almost time to go heavy into memory longs again. … Show more
SK hynix's ADR listing drawing leveraged ETFs is peak-cycle behavior, because the juiced vehicles always arrive after the demand is already in the price. A report in the thread notes the ADRs priced at a 3% premium as Wall Street readies a wave of leveraged ETFs on what is the biggest chip listing ever. x.comÂ
Memory's options flow shows traders underwriting downside rather than chasing upside, with millions in put selling on the Roundhill Memory ETF across August and October expiries. AI demand keeps moving through the physical stack, from DRAM and HBM to bandwidth, power and cooling, and following that bottleneck leads to memory. x.comÂ
VCX's collapsing premium to NAV signals that AI euphoria is deflating. The Fundrise Innovation Fund's NAV is $18.97; its price peaked at $380, about 20x NAV, and is now ~$76, still a rich 4x. That premium assumed NAV would keep rising with a static list, but Anthropic has overtaken OpenAI, with Databricks close. Anthropic can justify some premium; OpenAI is less certain. Nvidia, up only ~4% in six months, sends the same signal. This is not a call for the story to end. x.comÂ