I just read this bearish case for memory, but I don’t think it is entirely accurate.
The first argument describes short-term headwinds from the collapse of Korean leveraged retail exposure. That makes sense as a flow argument, but it applies much more directly to SK hynix and Samsung than to Micron.
Micron is effectively a two-layer trade.
One part is the memory trade, while the other is its strategic role as the only major US-based DRAM and HBM manufacturer in what increasingly looks like an AI arms race between the US and China.
I don't claim that this does make the stock immune to positioning or sector-wide selling, but it gives Micron a different investment profile and a different strategic value proposition.
I also disagree with the second argument.
Reducing the amount of HBM per GPU or per rack does not automatically result in lower HBM demand at the cluster level. Optics enables faster communication between GPUs, racks and datacenters, but it does not replace local HBM.
HBM and optics solve two entirely different problems.
A larger optically connected cluster may use less HBM per individual accelerator while still containing significantly more HBM in aggregate, because the number of accelerators and the size of the compute domain are increasing.
The development can therefore be simultaneously bullish for optics and memory.
The third argument is unfortunately much stronger.
Memory stocks may struggle before the absolute pricing peak if the pace of price increases begins to slow and earnings revisions stop accelerating.
We already saw a version of this after Micron’s last earnings report. The company beat expectations, but the stock sold off because the rate of fundamental acceleration was less dramatic than before.
A similar dynamic could be observed with SanDisk last week. Strong reported results were not enough once the market started focusing on slower sequential growth and the possibility that margins were approaching a short-term peak.
So I agree that memory stocks do not necessarily need fundamentals to deteriorate in order to underperform. It can be enough for the rate of improvement to slow.
But this scenario cannot be viewed in isolation.
Micron has already fallen roughly 40% from peak to trough. Positioning has been reduced, expectations have reset, and at least part of the anticipated slowdown in the rate of change may already be reflected in the price.
That materially changes the risk/reward.
Before the selloff, the market was pricing continued acceleration and leaving very little room for disappointment.
After a 40% drawdown, the bearish case increasingly requires more than just slower growth. It requires either meaningful earnings downgrades, an earlier-than-expected pricing peak, or evidence that the structural demand outlook is weakening.
So the third argument is valid, but it may also be backward-looking.
I think the market ultimately has no choice but to go sell memory, long optical in the "short term." Actually, some hedge funds already seem to have this position on.
There are three main reasons.
1. With Korean leveraged ETFs effectively dead, LPs are in a redemption rush, which could bring out additional sell on flow.
2. Nvidia is nerfing Rubin Ultra's HBM and responding with optics, tying multiple racks together, so that even if Rubin Ultra's per rack performance is not superior to Rubin, at the cluster level optics let the Rubin Ultra cluster hold an edge over the Rubin cluster. This holds even if Rubin Ultra's HBM nerf is a supply problem rather than a demand problem.
3. Consensus is forming that memory prices will peak within the next two quarters.
Medium to long term I am still a memory bull, but short term I am somewhat bearish on memory. I currently have no memory position.