Value
4.4/10data confidence 67%| Component | Sub-score |
|---|---|
| P/S | 0.0 |
| Fwd P/E | 2.9 |
| PEG | 10.0 |
| Analyst target | 9.0 |
- ▸Forward P/E: 36.2x
- ▸PEG: 0.06
AEHR · Why this verdict
Why Aehr Test Systems (AEHR) is rated SELL
Updated
Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results. How we score · Editorial policy
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VerdictSELL
Overall score4.7/10
ConfidenceMEDIUM
MacroNEUTRAL
TrendMatrix Research · core thesis
Engine thesis — one sentence
Aehr Test Systems is a fast-growing (34% YoY) semiconductor test equipment maker with 102.9% upside to the analyst target, but it is cash-burning, concentrated in five customers, heavily sold by insiders and 63% off its high, with earnings due in 1 day.
Falsifiable statement — pillar-level invalidators below. Engine-derived; not personalized advice.
Thesis pillars
| Pillar | Expectation | Trend |
|---|---|---|
Growth scores 10.0 with revenue up 34% YoY, and the quarterly revenue estimate of $27.5M compares with $19M in the latest quarter and $10M two quarters ago. Growth breakdown | Quarterly revenue should reach the $27.5M estimate and keep rising sequentially. | ↓Deteriorating |
| CounterRevenue is lumpy and fell from $18M to $10M in 2025, so a single large order can mask a thin backlog. | ||
The five largest customers make up 70.0% of revenue and full wafer contact product lines are 63.0%, both flagged HIGH risks. Bear case | Customer concentration should fall below 60% as the base widens. | ↓Deteriorating |
| CounterConcentration in a few large semiconductor customers is typical for test equipment, and those customers are committed to long qualification cycles. | ||
Quality score is 2.4, below the 4.0 floor, with free cash flow at -4% of revenue. Quality breakdown | Free cash flow margin should turn positive above 0% as revenue scales. | ↑Improving |
| CounterCash burn at this scale may reflect inventory build ahead of large orders, and growth is strong enough to reverse it. | ||
Insiders sold about $17.3M (0.965% of market cap) across 18 sales in 90 days with no buys, and short interest is 18%. Insider transaction read | Insider net selling should fall below $5M over 90 days and short interest below 12%. | →Stable |
| CounterInsider sales may be scheduled and the stock was far higher earlier, while institutions are accumulating. | ||
The stock is 63% off its high at $54.89 with RSI 27 and an analyst target of $111.36, 102.9% above the price. Analyst target | Price should recover toward $80 or higher as the earnings backlog materializes. | →Stable |
| CounterMomentum score is 3.0 and implied volatility is 145%, so the stock could keep falling before any recovery. | ||
Growth scores 10.0 with revenue up 34% YoY, and the quarterly revenue estimate of $27.5M compares with $19M in the latest quarter and $10M two quarters ago.
↓DeterioratingGrowth breakdown
- Expectation
- Quarterly revenue should reach the $27.5M estimate and keep rising sequentially.
CounterRevenue is lumpy and fell from $18M to $10M in 2025, so a single large order can mask a thin backlog.
The five largest customers make up 70.0% of revenue and full wafer contact product lines are 63.0%, both flagged HIGH risks.
↓DeterioratingBear case
- Expectation
- Customer concentration should fall below 60% as the base widens.
CounterConcentration in a few large semiconductor customers is typical for test equipment, and those customers are committed to long qualification cycles.
Quality score is 2.4, below the 4.0 floor, with free cash flow at -4% of revenue.
↑ImprovingQuality breakdown
- Expectation
- Free cash flow margin should turn positive above 0% as revenue scales.
CounterCash burn at this scale may reflect inventory build ahead of large orders, and growth is strong enough to reverse it.
Insiders sold about $17.3M (0.965% of market cap) across 18 sales in 90 days with no buys, and short interest is 18%.
→StableInsider transaction read
- Expectation
- Insider net selling should fall below $5M over 90 days and short interest below 12%.
CounterInsider sales may be scheduled and the stock was far higher earlier, while institutions are accumulating.
The stock is 63% off its high at $54.89 with RSI 27 and an analyst target of $111.36, 102.9% above the price.
→StableAnalyst target
- Expectation
- Price should recover toward $80 or higher as the earnings backlog materializes.
CounterMomentum score is 3.0 and implied volatility is 145%, so the stock could keep falling before any recovery.
Per-dimension breakdown
Quality
2.9/10data confidence 100%| Component | Sub-score |
|---|---|
| ROE | 0.0 |
| ROA | 0.0 |
| Gross margin | 3.1 |
| Op margin | 7.3 |
| Net margin | 0.0 |
| Current ratio | 5.0 |
| FCF quality | 0.0 |
| Moat | 5.5 |
| Piotroski F | 5.6 |
- ▸Cash-burning: FCF -4% of revenue
- ▸Quality concerns
Growth
5.0/10data confidence 50%Momentum
4.6/10data confidence 100%| Component | Sub-score |
|---|---|
| RSI | 4.5 |
| MACD | 10.0 |
| OBV | 1.0 |
| MA position | 2.2 |
| Volume | 5.5 |
- ▸Volume distribution (falling OBV)
- ▸Below 200-MA but MA still rising (+11.9%/30d) — pullback in uptrend, not confirmed weakness
Sentiment
7.2/10data confidence 100%| Component | Sub-score |
|---|---|
| LLM sentiment | 4.8 |
| Analyst rating | 7.1 |
| Price target | 10.0 |
- ▸Light analyst coverage (4.0) — signal dampened
- ▸Analyst upside: 103%
Insider
5.2/10data confidence 100%| Component | Sub-score |
|---|---|
| materiality | 2.0 |
| insider conviction | 2.0 |
| holder change | 10.0 |
| notable moves | 7.0 |
- ▸Heavy insider selling — $14,936,742 (0.752% of mkt cap)
- ▸Institutions accumulating
Peer rank
3.1/10data confidence 80%| Component | Sub-score |
|---|---|
| value rank | 0.0 |
| quality rank | 0.2 |
| growth rank | 5.0 |
Technical
4.9/10data confidence 100%| Component | Sub-score |
|---|---|
| bollinger | 6.1 |
| support resistance | 7.5 |
| 52w position | 0.0 |
| gap | 6.0 |
Risk (lower is worse)
3.8/10data confidence 100%| Component | Sub-score |
|---|---|
| short interest | 1.7 |
| days to cover | 8.6 |
| volatility | 0.0 |
| put call | 5.6 |
| implied vol | 0.0 |
| max pain risk | 3.0 |
| beta | 0.0 |
| debt equity | 9.8 |
| news risk | 5.5 |
- ▸High short interest justified: 18%
- ▸High IV: 117%
- ▸Above max pain $35
- ▸Concentration risks: 2 HIGH (10-K Item 1A — sized via position_sizing, validated via buy_confidence)
Catalyst
7.6/10data confidence 100%| Component | Sub-score |
|---|---|
| erm | 5.0 |
| earnings history | 10.0 |
| earnings timing | 5.0 |
| surprise avg | 10.0 |
| news activity | 8.0 |
- ▸Strong earnings: 3B/0M
How the verdict was assembled
Engine trigger
Quality below minimum threshold.
Engine technical detail
verdict_path:
L1:HARD_BLOCK:QUALITY_FLOORPassed (6)
- MOMENTUM:4.6>=4.5
- ASYMMETRY:4.9>=1.5
- 8K:CLEAN
- EARNINGS_PROXIMITY:91d clear
- SEMI_CYCLE_PEAK:CLEAR
- MATERIALS_CYCLE_PEAK:CLEAR
Failed (1)
- INSIDER:0.75%=EXTREME
Warning (1)
- MOMENTUM:4.6<5.5 (soft — BUY_NOW allowed but watch)
Reward-to-Risk
4.86
Upside
+72.9%
Downside
15.0%
Sizing output
AVOID
SetupRange Bound — RSI 43 mid-range, Bollinger mid-band
EdgeNo clear edge — No clear edge identified
SuitabilitySpeculative — Drawdown -59% (>40% off 52w high)
Investment implication
The SELL_IF_HOLDING verdict reflects the INSIDER gate's 0.75%=EXTREME outcome against Catalyst at 7.6 and asymmetric R:R of 4.86.
The strongest dimensions are Catalyst at 7.6, Sentiment at 7.2, and Insider at 5.2; the weakest are Quality at 2.9, Peer rank at 3.1, and Risk (lower is worse) at 3.8. The V9 engine flagged 1 failed gate with 1 warning, producing an asymmetric reward-to-risk of 4.86 and an engine sizing output of AVOID.
What would invalidate the thesis
Falsifying conditions — when triggered, the corresponding pillar's thesis is invalidated.
- P1Rapid Growth Recovery
Trip ifQuarterly revenue falls below $20M for 2 consecutive quarters.
- P2Customer And Product Concentration
Trip ifFive largest customers exceed 80% of total revenue from current 70%.
- P3Cash Burn And Low Quality
Trip ifFree cash flow margin falls below -15% of revenue from current -4%.
- P4Heavy Insider Selling And Shorts
Trip ifInsider 90-day sell value exceeds $35M from current $17.3M.
- P5Deep Drawdown With Large Analyst Upside
Trip ifPrice falls below $40 from current $54.89.