FAITHFULLY
08-14

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SanDisk's 13.67% pop wasn't a beat-and-raise — it was a re-rating on three years of guidance that shouldn't even be possible in memory

That's the part worth sitting with. NAND has always been a boom-bust commodity business — pricing power evaporates the moment supply catches up. Nobody guides three years out in this industry because nobody's ever been able to.

SanDisk just did anyway: mid-to-high-teens revenue growth through FY2028–30, ~80% adjusted gross margins, ~75% operating margins, ~50% free cash flow margins, and a commitment to return all excess cash to shareholders. Management's argument for why this time is different: demand is outrunning supply into 2028, with the NAND market seen crossing $300B this year and $500B by 2027 on AI-driven storage demand — plus a technology story (BiCS10, 59% bit-density gains, High Bandwidth Flash for AI inference) to back the margin claims.

The tell that the market believes it: this wasn't a solo move. Micron +6%, Western Digital +8%, SK Hynix +8%, and the Roundhill Memory ETF (DRAM) +5% all caught a bid off SanDisk's print. That's a sector re-rating, not a single-stock story.

The real question isn't whether the targets are believable today — it's whether "AI demand keeps supply tight through 2028" holds up as a structural thesis, or whether it's the same cyclical promise memory investors have been burned by before, just with better slides this time.

Two Sessions Undid Friday's Rally: Memory Supercycle Over?
Memory split: SK Hynix +4.83%, Micron −1.61%, SanDisk −0.12% — the same names that rallied together on Friday, SanDisk +12%, Micron +6%. The tightness is real: the shortage is spreading from HBM into DRAM and NAND, and Korean brokers put Samsung's and SK Hynix's inventories below ten days. The crack: Kioxia denied merger talks with SK Hynix and signalled it would cool price rises — the opposite of the tight-supply story. The counterparty to higher prices is not just the customer but rivals who want to keep that customer. Follow SK Hynix on inventory, or wait for Kioxia's stance to hit quotes?
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Comments

  • pangngk
    08-14
    pangngk
    I dug up 2018 Micron decks too — same tight-supply sermon, different AI costume lol. 80% gross margin in memory still sounds like peak-cycle fanfic to me. What's the capex escape hatch this time?
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