SPY vs MDB Stock Comparison

SPY currently leads MDB in this stock comparison, with AIQ scores of 66 vs 46. The clearest difference is risk resilience.

Market data as of Oct 21, 2026 market close· AIQ score gap 20 points
SPY
Equity
vs
MDB
Technology
SPY
State Street SPDR S&P 500 ETF
Leads
Price
$773
Day move
+0.53%
AIQ Score
66/100
Best edge
Risk Resilience
Sector
Equity
MDB
MongoDB, Inc.
Price
$391
Day move
+6.71%
AIQ Score
46/100
Best edge
Balanced
Sector
Technology

What is the main difference between SPY and MDB?

SPY leads the current stock comparison as State Street SPDR S&P 500 ETF, with the clearest separation coming from risk resilience and the broader AIQ evidence mix.

AlgovestIQ AIQ Comparison

State Street SPDR S&P 500 ETF vs MongoDB, Inc.

Data as of Oct 21, 2026· market close· MDB (stock) vs SPY (ETF)· Coverage 65/66 fields· 42/42 directly comparable· Moderate confidence
AIQ VerdictStableAIQ Comparison Conviction 9/10

SPY leads

SPY leads by 20 AIQ points, primarily on Risk Resilience and Quality.

Stable: 3 of 4 evidence groups support SPY.

Evidence agreement: 3 of 4
SPY

State Street SPDR S&P 500 ETF

Leads
AIQ Score
66/100
AIQ Edge Score
9/10
MDB

MongoDB, Inc.

AIQ Score
46/100
AIQ Edge Score
4/10

The Algovestiq AIQ Score currently favors SPY over MDB, 66 versus 46 as of Oct 21, 2026. SPY's advantage is driven primarily by stronger risk resilience and quality. SPY also shows the stronger technical structure relative to its 50-day moving average. 3 of 4 covered evidence groups favor SPY today, and the comparison is rated Stable on stability. SPY leads on all four AIQ factor dimensions. Value is itself one of those four, so a sweep is not explained by valuation alone — it deserves additional scrutiny for unmodeled catalysts, expectations or event risk.

Compare State Street SPDR S&P 500 ETF and MongoDB, Inc. across the Algovestiq AIQ Score, valuation, quality, momentum, risk, technicals and analyst expectations.

Currently unavailable

Performance over time

Price return from daily closes; distributions are not included.

SPY
+70.6%
MDB
-22.6%

Price return comparison

Growth of $10,000, price only

SPY $17,061 · MDB $7,739

Split-adjusted closes only. Distributions are excluded, which understates the return of any fund or stock that pays them.

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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.

SPY advantage
0
MDB advantage
  • Risk Resilience88 vs 49
    SPY +39
  • Quality84 vs 62
    SPY +22
  • Value41 vs 25
    SPY +16
  • Momentum63 vs 52
    SPY +11

3 of 4 evidence groups favor SPY. SPY’s edge is concentrated in risk resilience and quality.

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

SPY

SPY on the overall AIQ Score, which weights Quality and Value most heavily.

Growth

Even

Growth figures are not covered for both names.

Value

SPY

SPY on the peer-relative Value factor, by 16 points.

Momentum

SPY

SPY on the Momentum factor, by 11 points.

Lower downside

SPY

SPY on Risk Resilience, by 39 points.

Analyst upside

Even

Analyst 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.

MeasureSPYMDBNote
Implied upside to target—+15.7%Level
Target dispersion—+54.2%Lower is tighter analyst agreement
Consensus—BuyContext, not a primary driver
Analysts covering—21Higher coverage generally improves confidence

Analyst targets are expectations, not predictions. Dispersion matters as much as the midpoint.

AIQ Agreement Matrix

3 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 groupFavorsReading
AIQ ScoreSPY66 vs 46
FundamentalsNot coveredNot covered
ValuationSPYValue 41 vs 25
TechnicalsEvenPrice vs 50-day 0.6% vs -0.6%; vs 200-day 5.9% vs 8%
Risk ResilienceSPYRisk Resilience 88 vs 49
Analyst expectationsNot coveredNot covered

✓ agrees with the overall verdict · ✕ points the other way. Groups marked “not covered” lack data on one or both of SPY and MDB and are excluded from the count.

AIQ Decision Stability

Stable

The conclusion rests on a wide gap and broad agreement. It is unlikely to turn on a single session.

  • The AIQ gap is wide at 20 points. (supports the conclusion holding)

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.

  1. 1MDB closes the Risk Resilience gap — currently 39 points behind, the largest single contributor to SPY's edge.
  2. 2MDB generates a confirmed bullish trend signal it does not currently carry, such as Golden Cross Active or MACD Bullish Crossover.
  3. 3SPY starts generating bearish momentum or trend signals.
  4. 4A regime shift changes factor weighting — Quality and Value carry the heaviest weights in the composite, 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
MetricSPYMDB
Revenue growth (YoY)—-1.1%
EPS growth (YoY)—-70.9%
Gross margin—72.7%
Operating margin—-0.5%
Return on equity (TTM)—2%
Debt to equity—0.01

Performance

Split across windows
MetricSPYMDB
1 week (5 sessions)-1.2%-1.8%
1 month (20 sessions)-0.6%-14.4%
3 months (63 sessions)2.9%20.1%
6 months (126 sessions)9.2%40.1%
Year to date12.8%-12.7%
1 year (252 sessions)16.4%16.5%

Technicals

Split
MetricSPYMDB
RSI (14)56.256.5
ADX (14)12.513.9
Price vs 50-day0.6%-0.6%
Price vs 200-day5.9%8%
Volatility (1M, annualized)9%82.4%

Straight answers

Each answer is regenerated from the current snapshot, not written once and left to age.

Which is better, SPY or MDB?

On the Algovestiq AIQ Score, SPY is the stronger of the two as of Oct 21, 2026, scoring 66 against MDB's 46. The edge comes from risk resilience and quality. 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 SPY or MDB the better buy right now?

SPY carries the stronger systematic profile as of Oct 21, 2026, and the comparison is rated Stable — 3 of 4 covered evidence groups agree. A Stable rating means the gap is wide and the evidence is broad, so the conclusion is unlikely to turn on a single session.

Why does the AIQ Score favor SPY over MDB?

The composite weights Quality, Value, Momentum and Risk Resilience. SPY leads Risk Resilience by 39 points; SPY leads Quality by 22 points; SPY leads Value by 16 points. SPY leads on all four AIQ factor dimensions. Value is itself one of those four, so the sweep is not explained by MDB simply being cheaper — it warrants extra scrutiny for unmodeled catalysts, forward expectations or event risk the factors do not capture.

Which has more analyst upside, SPY or MDB?

Analyst price targets imply not covered upside for SPY and +15.7% for MDB. 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, SPY or MDB?

SPY is the better-valued of the two on the peer-relative Value factor. SPY on the peer-relative Value factor, by 16 points. 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, SPY or MDB?

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, SPY or MDB?

SPY on the Momentum factor, by 11 points. Momentum is one of the four weighted factors in 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, SPY or MDB?

SPY is the more resilient of the two, so the other name carries the higher downside risk. SPY on Risk Resilience, by 39 points. Risk Resilience is a weighted factor in the composite; position sizing usually responds to it more usefully than the buy/avoid decision does.

Is SPY more profitable than MDB?

Margin data is not comparable for both names in the current snapshot.

What would change the SPY vs MDB verdict?

The result is a state, not a forecast, so it changes when the underlying evidence changes. Concretely: MDB closes the Risk Resilience gap — currently 39 points behind, the largest single contributor to SPY's edge; MDB 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 — Quality and Value carry the heaviest weights in the composite, so a rotation toward either would move the result most.

Continue your research

This page answers which of the two. These answer the questions on either side of it.

How this comparison is scored

The Algovestiq AIQ Score composites four factors — Quality, Value, Momentum and Risk, each carrying a fixed weight. 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.