# Micron Technology (MU) — InvestMoat Analysis

_Last analyzed: September 30, 2026_
_Asset class: equity · Canonical page: https://investmoat.com/stocks/micron_

## Scores

| Dimension | Score (0–100) |
| --- | --- |
| Moat durability | 67 |
| Growth trajectory | 73 |
| Valuation | 69 |
| **Composite** | **70** |

Scores are computed deterministically from this asset’s data by the InvestMoat formula (see https://investmoat.com/llms.txt for methodology). Scores are not directly comparable across asset classes.

## Key stats

- **Ticker:** MU
- **Market Cap:** ~$1.20T

## Moat

An oligopoly of three (Samsung, SK Hynix, Micron) with high capital barriers to entry, but commodity memory pricing has historically limited moat durability. That constraint is being rewritten: twenty-six Strategic Customer Agreements (SCAs) — take-or-pay, running through 2030 and in several cases into 2031, estimated to cover over 35% of revenue — carry ~$150B of RPO at committed volume and minimum pricing and $32B of customer financial commitments, mostly cash deposits. That is up from 16 SCAs, ~$100B RPO and $22B of commitments at the June print. HBM4 is in high-volume shipment, the vast majority of calendar-2027 HBM bit supply is already contracted at higher prices, and gross margin printed 87% in Q4 FY2026 with Q1 FY2027 guided to ~86.25%.

### Oligopoly with Contracted Walls

Micron's competitive position rests on **Oligopoly Structure, HBM4 Execution, and SCA Lock-In** — the last of these crossed from narrative to contracted fact in June and widened again in the September 30 print:

- **Three-Player Oligopoly:** With Samsung, SK Hynix, and Micron controlling ~95% of DRAM supply, the market is structurally oligopolistic. New entrants face $30B+ capex requirements and decade-long learning curves that effectively preclude competition. Micron is the only US-based survivor of what was once a much larger industry.
- **HBM4 Shipping — Margin Proof at Scale:** HBM4 on 1β DRAM is in high-volume shipment, Micron has contracted the vast majority of its calendar-2027 HBM bit supply at significant year-over-year price increases, and it is working with NVIDIA on the first custom-HBM4E implementation. Q4 FY2026 revenue of $54.23B (+379% YoY) at an 87% gross margin — with Q1 FY2027 guided to ~$61.5B and ~86.25% — confirm that the HBM mix is delivering peak-cycle economics at scale, not just design-win headlines.
- **Strategic Customer Agreements:** Twenty-six SCAs spanning data center, consumer, and automotive carry take-or-pay volume commitments, price floors/ceilings, and non-cancellation terms, and are estimated to cover over 35% of revenue through 2030. The ones with a set pricing framework disclose ~$150B of RPO at committed volume and minimum pricing, and customer financial commitments have grown to $32B (the vast majority cash deposits; $12.3B was received in Q4 alone). Management still targets half or more of company revenue under SCAs. Outside the contracted book, standard DRAM and NAND remain cyclical, and a significantly higher FY2027 capex budget raises the overcapacity stakes if AI demand normalises beyond the SCA floor.

**Moat verdict:** Micron is a clear net beneficiary of AI — the HBM4 supercycle is directly driven by AI infrastructure build-out, talentScarcity and proprietaryData are strengthened by AI's demand for specialised chip design, and the SCA program has upgraded transactionEmbedding to strong, now with 26 agreements, ~$150B of contracted RPO and $32B of customer commitments. Durability still hinges on SCA coverage expanding from >35% toward the ≥50%-of-revenue target and on the HBM margin premium holding through CY2027–2028; Micron does not own a software layer, a data flywheel, or a network effect that compounds independently of the hardware cycle.

### Top competitors

- **[SK hynix (000660.KS)](https://investmoat.com/stocks/skhynix):** HBM leader for AI accelerators.
- **[Samsung Electronics (005930.KS)](https://investmoat.com/stocks/samsung):** The largest DRAM and NAND producer.
- **CXMT:** Chinese state-backed DRAM maker.

## Growth

Micron is in the steepest part of a semiconductor supercycle driven by AI memory demand. Q4 FY2026 (reported September 30) delivered record revenue of $54.23B (+379% YoY, +31% sequential) and non-GAAP EPS of $33.42, beating the ~$50B / ~$31 guide and ~$31.16 Street EPS; gross margin reached 87%. Full-year FY2026 revenue was $133.19B (+256%) with non-GAAP EPS of $75.52 and adjusted free cash flow of $62.31B on $27.37B of capex. Management guided Q1 FY2027 to $61.5B ± $1.5B revenue, ~86.25% gross margin, and $38.15 ± $1.00 non-GAAP EPS — a single quarter above half of FY2026's full-year EPS. The structural news was the SCA expansion: 26 take-or-pay agreements estimated to cover over 35% of revenue through 2030, ~$150B of RPO and $32B of customer commitments, plus the vast majority of calendar-2027 HBM supply contracted at higher prices. The offset is capex: FY2027 spend rises significantly from ~$27B, mostly clean-room construction. The stock closed at $1,065.11 on September 30 and was roughly flat after hours, having more than tripled this year.

- **Revenue CAGR estimate:** 12–20%
- **Primary type:** TAM expansion
- **Margin trend:** stable
- **Key risk (high):** If AI hyperscaler capex enters a pause cycle in 2H CY2027–FY2028, Micron's significantly higher FY2027 capex still creates overcapacity risk outside the SCA book. SCAs cushion the floor — take-or-pay volume at price bands, ~$150B of RPO and $32B of customer commitments — but they cover a little over a third of revenue, and renegotiation pressure in a deep downcycle is untested. Falsifiable: FY2028 non-GAAP EPS reverting below $45, or gross margin compressing below 50% for two consecutive quarters, would break the 'contracts rewrite cyclicality' claim. Secondary: the June 2026 DRAM price-fixing class action (Samsung, SK Hynix, Micron) remains early-stage with no class certified.
- **Drivers:**
  - HBM (High Bandwidth Memory) — HBM4 HVM; vast majority of CY2027 HBM supply contracted at higher prices; custom HBM4E with NVIDIA (accelerating)
  - Cloud / Data Center DRAM — Core Data Center BU $18.0B (+56% QoQ) + Cloud Memory BU $16.3B (+18% QoQ) in Q4 (accelerating)
  - Mobile & Client — Mobile/Client BU $13.1B in Q4 (+14% QoQ) as HBM trade ratios tighten DRAM (stable)
- **Score derivation:** Base 80.7 (12–20% CAGR, midpoint 16%, measured off the $133B FY2026 peak base) + 2.7 trajectory (2 of 3 drivers accelerating) + 0 margin (stable: an 87% gross margin with ~86.25% guided is the top of a pricing cycle, not a trend that can keep expanding from there) − 10 high risk (hyperscaler capex pause against a significantly higher FY2027 capex budget; SCAs now cover over 35% of revenue but not the rest; the same capex-cycle risk NVDA and AMD carry, on a commodity product) = 73

## Valuation

At $1,065 (September 30 close, market cap ~$1.20T), MU sits between the re-struck $1,150 base and $550 bear. The ladder was reset on the Q4 print because the old one was falsified by guidance: its $950 base assumed $55–70 of FY2027–28 EPS and its bull assumed $90–100 of FY2027 EPS, while the Q1 FY2027 guide alone is $38.15 and annualises above $150. On FY2026 non-GAAP EPS of $75.52 the trailing multiple is ~14×; on the Q1 guide run-rate it is ~7×. Memory at peak earnings has always traded at single-digit multiples, so the base prices a mid-cycle ~$85–95 of EPS at ~12–13× rather than the run-rate, and the higher SCA coverage (>35% of revenue, ~$150B RPO) is why the bear moved up from $450.

**Fair value:** ~$1,150 — At $1,065, Micron trades at ~14× FY2026 non-GAAP EPS of $75.52 and ~7× the Q1 FY2027 guide annualised — cheap on the run-rate, fair on mid-cycle earnings. The SCA floor (26 take-or-pay agreements, ~$150B RPO, $32B of customer commitments) supports paying a higher trough multiple than 2022's wipeout implied, which is why the bear sits at $550 rather than a sub-$400 revisit. The Street's ~$1,516 mean prices the run-rate for longer; the base here stays below it because a significantly higher FY2027 capex budget is the classic set-up for the next down-leg. Add on weakness toward the $800s rather than chase a run at the $1,700 bull without evidence the SCA book is heading to ≥50% of revenue.

| Multiple | Value | Note |
| --- | --- | --- |
| Trailing P/E (non-GAAP) | ~14× | FY2026 non-GAAP EPS $75.52 |
| Forward P/E (run-rate) | ~7× | Q1 FY2027 non-GAAP EPS guide $38.15, annualised (~$153) |
| PEG Ratio | ~0.9× | trailing P/E ÷ 16% blended revenue CAGR midpoint |
| Price / Sales (FY26) | ~9.0× | $133.19B FY2026 revenue at ~$1.20T mcap |
| Price / FCF (FY26) | ~19× | FY2026 adjusted FCF $62.31B, flattered by customer deposits ($12.3B in Q4) |

The trailing multiple has compressed to ~14× on FY2026 EPS of $75.52, and the Q1 FY2027 guide puts the run-rate multiple near 7× — the single-digit band memory has always traded at on peak earnings. The risk is unchanged in kind: if HBM oversupply emerges into FY2028 outside the SCA floor, EPS could revert toward $40–45, and a ~12–13× trough multiple implies ~$500–580, which is why the bear sits at $550. _(as of September 2026)_

## Price scenarios

### Bear — $550

Memory cycle reversion: AI hyperscaler capex pauses in 2H CY2027, Samsung and SK Hynix flood HBM capacity into Micron's own higher FY2027 capex, and SCAs cushion but do not prevent a sharp downcycle outside the contracted third of revenue.

- AI hyperscaler capex pause in 2H CY2027 reduces incremental HBM demand; non-SCA pricing collapses
- Samsung and SK Hynix close the HBM4 yield gap; Micron's CY2027–28 share advantage erodes
- Standard DRAM and NAND prices fall 30%+ outside take-or-pay floors; FY2028 EPS reverts toward $40–45
- Multiple compresses to ~12–13× trough earnings → ~$550 on ~$43 EPS, with >35% of revenue under SCAs preventing a 2022-style wipeout

### Base — $1150

HBM supercycle carries through FY2027 on the Q1 guide, then a digestion year; SCA floors hold mid-cycle EPS well above any prior memory cycle.

- FY2027 revenue runs well above FY2026's $133B as the ~$61.5B Q1 guide and contracted CY2027 HBM supply land
- SCA program keeps expanding from >35% of revenue toward management's ≥50% target
- FY2028 digestion halves EPS from the FY2027 run-rate, leaving a ~$85–95 mid-cycle across FY2027–29
- Stock trades at ~12–13× mid-cycle EPS (~$1,150 on ~$90) — a premium to unprotected memory peaks justified by contracted visibility

### Bull — $1700

SCAs reach ≥50% of revenue, HBM becomes the dominant AI inference memory, and the FY2027 earnings run-rate proves durable enough to be capitalised.

- Custom HBM4E/HBM5 commitments and a completed SCA program entrench Micron with NVIDIA and the hyperscalers through 2030
- AI inference at scale creates a second demand wave, so there is no FY2028 digestion year
- Near-memory compute integration (PIM/CXL) opens adjacent TAM, further differentiating Micron from commodity DRAM
- FY2027 EPS lands near the ~$150 Q1 run-rate and holds; stock trades at ~11× as contracted HBM is treated less like memory, more like accelerator content

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