Three weeks ago SNDK was at $1,000. MU was at $705. The narrative was peak cycle, guidance miss, China competition, and NAND euphoria fading. Today SNDK closed at $1,641 after gaining 7.39% on the day. MU closed at $971 after gaining 2.30%. MULL is at $22.62, up 4.67%. The SanDisk Investor Day just delivered the most detailed bull case the memory sector has ever produced in a single presentation. Here is what changed and where this goes next.
What the Investor Day Actually Said
This was not a cheerleading session. CFO Luis Visoso put specific numbers on the table with full accountability:
- Flash market: $300B in 2026, $500B in 2027. Not an analyst estimate. The CFO of the world's largest pure-play NAND company saying this on record.
- Supply tight into 2028. Demand continues to outpace SanDisk's own output. No line of sight to the shortage ending.
- NBM agreements now cover 50% of FY27 supply, rising to 67% in FY28. Eight major customers. $93.9 billion in total contract value. $91.1 billion in remaining performance obligations at floor pricing.
- FY28 to FY30 financial model: mid-to-high teens revenue growth, approximately 80% non-GAAP gross margins, approximately 50% adjusted FCF margins.
- 100% of excess cash returned to shareholders. $15.5 billion in buyback authorisation remaining. Debt-free balance sheet with $3.74 billion in cash.
- Kioxia JV extended to 2034. Supply security through an entire technology generation cycle.
- BiCS10 through BiCS13 already on the roadmap. 19 generations of NAND innovation delivered. The technology pipeline is not a one-cycle story.
The market reaction was immediate and decisive. SNDK surged 13.7% on Investor Day before settling at 7.39% by close. The entire memory sector followed: SKHY +8%, MU +6%, WDC +8%, DRAM ETF +5%.
The Bull Case from Here
SNDK at $1,641 still trades at approximately 9 times the annualised EPS run rate from its Q1 FY27 guidance. For context:
- Q4 FY26 actual: revenue $8.97B, gross margin 84.6%, EPS $39.25
- Q1 FY27 guide: revenue $10.3-10.8B, gross margin 83-85%
- Annualised Q1 run rate: approximately $43B revenue, $180 EPS
- At $1,641: roughly 9 times that run rate
A business guiding to mid-to-high teens revenue growth through 2030 with 80% gross margins and 50% FCF margins trading at 9 times earnings is not a stretched valuation by any conventional metric. The question is whether you believe the cycle extends or peaks.
The Investor Day explicitly answered that question. The shift from spot pricing to multi-year New Business Model contracts covering 50 to 67% of supply is structurally different from every prior memory cycle. In previous cycles, pricing was quarterly and volatile. Now, $91.1 billion in remaining contracted obligations at floor pricing means even if spot NAND prices soften, SanDisk's blended revenue does not collapse the way it would have in 2018 or 2019.
MU at $971: Still the Cleanest Trade
- Own Q4 guidance: $50B revenue
- Forward PE: approximately 6x at $971
- No Korean rate exposure
- HBM4 in high-volume production with NVDA Vera Rubin
- Analyst average target: $1,507, still 55% above current price
MU did not have an Investor Day. It does not need one. Its numbers already speak. The 6x forward PE on a company with $50 billion next-quarter guidance is the sector's best risk-reward. The SNDK Investor Day confirmation that NAND supply stays tight into 2028 is directly positive for Micron's DRAM and HBM business, which faces the same structural shortage. MU is the patient money's name in this complex.
MULL at $22.62: The Tactical Instrument
MULL is the 2x daily-reset GraniteShares ETF on MU. It closed at $22.62 today, up 4.67% on MU's 2.30% gain. The critical reminder:
- MULL is for intraday to 48-hour tactical positions only
- Daily reset means NAV decay works against you in choppy sideways tape
- On a clean MU momentum day like today it works perfectly
- For the multi-month memory thesis, hold MU directly, not MULL
If MU breaks $1,000 next week on continued sector momentum, MULL prints approximately $25 to $26 in that same session. That is the short-duration tactical trade. It is not a position to hold through volatility.
Predictions for Next Week
Based on the Investor Day catalyst, the PPI and CPI disinflation trend, and the S&P 500 at record highs:
- SNDK: $1,650 to $1,850 base case. If institutional buyers continue accumulating post-Investor Day, $1,800 is achievable within two weeks. The $2,000 level comes back into conversation by September if Q1 FY27 revenue tracks toward the high end of the $10.3 to $10.8 billion guide. Key risk: any China NAND IPO timeline headline compresses the multiple fast.
- MU: $990 to $1,080 base case. Breaking above $1,000 is the psychological trigger that brings in the next wave of institutional buying. The $1,507 analyst consensus target implies the market has barely priced half the recovery from the August crash lows. Expect $1,000 tested early next week.
- SKHY: $165 to $185. The 8% Investor Day gain confirms HBM demand is extending. BOK second hike risk is the primary ceiling. Watch for any Korean policy commentary.
- DRAM ETF: $58 to $64. The unleveraged basket that captures all four names. Best instrument for anyone who wants the sector thesis without single-name binary risk.
The One Risk Nobody Is Pricing Enough
The SNDK Investor Day analysts expect EPS to grow 200% in FY27, slow to 21% in FY28, and then turn sharply negative in FY29 and FY30 as the cycle normalises. That is the bear case in one sentence. The multi-year contract model reduces volatility but does not eliminate the cycle. China's largest NAND company is expected to IPO between late 2026 and mid-2027, which brings meaningful new supply onto the market over the following 12 to 18 months.
The near-term thesis is intact and the numbers support it. The 2028 to 2030 picture requires more caution than the current momentum suggests. Trade the former. Respect the latter.
I am not a financial advisor. Trade wisely, Comrades.
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