SIMO vs SPY Stock Comparison
Silicon Motion Technology Corporation vs State Street SPDR S&P 500 ETF
SPY leads
SPY leads by 9 AIQ points, primarily on Risk Resilience and Momentum.
Fragile: 2 of 4 evidence groups support SPY.
Silicon Motion Technology Corporation
State Street SPDR S&P 500 ETF
The Algovestiq AIQ Score currently favors SPY over SIMO, 64 versus 55 as of Sep 5, 2026. SPY's advantage is driven primarily by stronger risk resilience and momentum. SPY also shows the stronger technical structure relative to its 50-day moving average. 2 of 4 covered evidence groups favor SPY today, and the comparison is rated Fragile on stability: only 2 of 4 covered evidence groups agree.
Compare Silicon Motion Technology Corporation and State Street SPDR S&P 500 ETF across the Algovestiq AIQ Score, valuation, quality, momentum, risk, technicals and analyst expectations.
Compare SIMO and SPY against another ticker
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AIQ Factor Divergence
Where the two separate, on the four dimensions behind the AIQ Score. Bars read outward from a shared zero: further from the centre is a wider gap.
- Risk Resilience15%45 vs 89SPY +44
- Momentum25%46 vs 57SPY +11
- Quality30%83 vs 84Even
- Value30%38 vs 39Even
2 of 4 evidence groups favor SPY. SPY’s edge is concentrated in risk resilience and momentum.
The central trade-off
SPY (State Street SPDR S&P 500 ETF): the stronger current systematic profile, led by risk resilience and momentum.
SIMO (Silicon Motion Technology Corporation): the counter-case, on technicals — but at materially higher volatility, 87.1% against 8.1%.
Which one fits your objective
The same two names rank differently depending on what you are optimizing for. All six reads are shown at once — none of them is hidden behind a toggle.
Balanced
SPYSPY on the overall AIQ Score, which weights Quality and Value at 30% each.
Growth
EvenGrowth figures are not covered for both names.
Value
EvenThe two are level on Value.
Momentum
SPYSPY on the Momentum factor, by 11 points.
Lower downside
SPYSPY on Risk Resilience, by 44 points.
Analyst upside
EvenAnalyst targets are level or not covered for both names.
AIQ vs Wall Street
Where the systematic read and the analyst consensus line up — and where they do not.
| Measure | SIMO | SPY | Note |
|---|---|---|---|
| Implied upside to target | +13.2% | — | Level |
| Target dispersion | +75.9% | — | Lower is tighter analyst agreement |
| Consensus | Buy | — | Context, not a primary driver |
| Analysts covering | 4 | — | Higher coverage generally improves confidence |
Analyst targets are expectations, not predictions. Dispersion matters as much as the midpoint.
AIQ Agreement Matrix
2 of 4 covered evidence groups favor SPY. A wide gap backed by one group is a weaker case than a narrow gap backed by five.
| Evidence group | Favors | Reading |
|---|---|---|
| AIQ Score | SPY | 55 vs 64 |
| Fundamentals | Not covered | Not covered |
| Valuation | Even | Value 38 vs 39 |
| Technicals | SIMO | Price vs 50-day -4.5% vs 1.8%; vs 200-day 39% vs 8.1% |
| Risk Resilience | SPY | Risk Resilience 45 vs 89 |
| Analyst expectations | Not covered | Not covered |
✓ agrees with the overall verdict · ✕ points the other way. Groups marked “not covered” lack data on one or both of SIMO and SPY and are excluded from the count.
AIQ Decision Stability
The conclusion is sensitive to small changes. Treat the lead as provisional and watch the flip conditions below.
- The AIQ gap is moderate at 9 points.
- Only 2 of 4 covered evidence groups agree. (argues the conclusion is provisional)
Stability combines the score gap, how broadly the evidence agrees, how steady the lead has been across daily snapshots, the current signal state on both names, and analyst dispersion on SPY.
What would flip this result
A state, not a forecast. These are the specific, observable changes that would reverse the verdict — not a price prediction.
- 1SIMO closes the Risk Resilience gap — currently 44 points behind, the largest single contributor to SPY's edge.
- 2SIMO generates a confirmed bullish trend signal it does not currently carry, such as Golden Cross Active or MACD Bullish Crossover.
- 3SPY starts generating bearish momentum or trend signals.
- 4A regime shift changes factor weighting — the composite weights Quality and Value at 30% each, so a rotation toward either would move the result most.
The full evidence
Every number behind the verdict. The leader is called above each group so you are not left to solve it from the table.
Fundamentals
Split| Metric | SIMO | SPY |
|---|---|---|
| Revenue growth (YoY) | 31.8% | — |
| EPS growth (YoY) | 102.5% | — |
| Gross margin | 48.9% | — |
| Operating margin | 16.3% | — |
| Return on equity (TTM) | 32% | — |
| Debt to equity | 0.06 | — |
Performance
SIMO leads 5 of 6 windows| Metric | SIMO | SPY |
|---|---|---|
| 1 week (5 sessions) | 4.2% | 0.1% |
| 1 month (20 sessions) | 0% | -0.4% |
| 3 months (63 sessions) | -1% | 4.4% |
| 6 months (126 sessions) | 116.5% | 14.5% |
| Year to date | 176.4% | 12.9% |
| 1 year (252 sessions) | 222.3% | 19.6% |
Technicals
SIMO has the stronger structure| Metric | SIMO | SPY |
|---|---|---|
| RSI (14) | 44.3 | 47.5 |
| ADX (14) | 10.4 | 13.6 |
| Price vs 50-day | -4.5% | 1.8% |
| Price vs 200-day | 39% | 8.1% |
| Volatility (1M, annualized) | 87.1% | 8.1% |
Straight answers
Each answer is regenerated from the current snapshot, not written once and left to age.
Which is better, SIMO or SPY?
On the Algovestiq AIQ Score, SPY is the stronger of the two as of Sep 5, 2026, scoring 64 against SIMO's 55. The edge comes from risk resilience and momentum. This is a systematic score, not a recommendation: it ranks the two on the same evidence, it does not know your holding period or tax position.
Is SIMO or SPY the better buy right now?
SPY carries the stronger systematic profile as of Sep 5, 2026, and the comparison is rated Fragile — 2 of 4 covered evidence groups agree. A Fragile rating means the conclusion is sensitive: only 2 of 4 covered evidence groups agree. Treat the lead as provisional.
Why does the AIQ Score favor SPY over SIMO?
The composite weights Quality at 30%, Value at 30%, Momentum at 25% and Risk Resilience at 15%. SPY leads Risk Resilience by 44 points; SPY leads Momentum by 11 points. Where the two split, the factor with the larger weight carries the result.
Which has more analyst upside, SIMO or SPY?
Analyst price targets imply +13.2% upside for SIMO and not covered for SPY. The model and the Street agree here, which is a broader base of evidence than either alone. Analyst targets are expectations, not predictions, and dispersion matters as much as the midpoint.
Which is better value, SIMO or SPY?
Neither name separates on the peer-relative Value factor. The two are level on Value. The Value factor reads valuation relative to sector peers and to the company's own fundamental quality, so it is not the same as simply having the lower multiple.
Which has stronger growth, SIMO or SPY?
Growth figures are not covered for both names. Growth here is measured on reported revenue and earnings, not on forward estimates — it describes what the businesses have delivered, not what the Street expects next.
Which has stronger momentum, SIMO or SPY?
SPY on the Momentum factor, by 11 points. Momentum carries 25% of the AIQ composite. It has documented persistence over three- to twelve-month horizons, which makes it a timing input rather than a reason to hold something indefinitely.
Which is riskier, SIMO or SPY?
SPY is the more resilient of the two, so the other name carries the higher downside risk. SPY on Risk Resilience, by 44 points. The Risk Resilience factor weights 15% of the composite; position sizing usually responds to it more usefully than the buy/avoid decision does.
Is SIMO more profitable than SPY?
Margin data is not comparable for both names in the current snapshot.
What would change the SIMO vs SPY verdict?
The result is a state, not a forecast, so it changes when the underlying evidence changes. Concretely: SIMO closes the Risk Resilience gap — currently 44 points behind, the largest single contributor to SPY's edge; SIMO generates a confirmed bullish trend signal it does not currently carry, such as Golden Cross Active or MACD Bullish Crossover; SPY starts generating bearish momentum or trend signals; a regime shift changes factor weighting — the composite weights Quality and Value at 30% each, so a rotation toward either would move the result most.
How this comparison is scored
The Algovestiq AIQ Score composites four factors — Quality (30%), Value (30%), Momentum (25%) and Risk (15%). Sentiment is reported separately as SentimentPulse and is not folded into the composite. Scores refresh every trading day, and this page regenerates from the latest snapshot rather than being written once.
The verdict names a leader, states how broadly six independent evidence groups agree, and rates how durable that conclusion is given the score gap, its recent trajectory and the current signal state on both names.
How to use side-by-side comparison →This comparison is informational and educational, not investment advice. AIQ scores update daily; re-check after earnings, guidance or macro data that materially changes either name’s factor profile.