NTRA vs PTCT Stock Comparison

PTCT currently leads NTRA in this stock comparison, with AIQ scores of 54 vs 48. The clearest difference is quality, while NTRA has the stronger momentum profile.

Market data as of Oct 21, 2026 market close· AIQ score gap 6 points
NTRA
Healthcare
vs
PTCT
Healthcare
NTRA
Natera, Inc.
Price
$413
Day move
+1.84%
AIQ Score
48/100
Best edge
Momentum
Sector
Healthcare
PTCT
PTC Therapeutics, Inc.
Leads
Price
$62.62
Day move
-0.48%
AIQ Score
54/100
Best edge
Quality
Sector
Healthcare

What is the main difference between NTRA and PTCT?

PTCT leads the current stock comparison as PTC Therapeutics, Inc., with the clearest separation coming from quality and the broader AIQ evidence mix.

AlgovestIQ AIQ Comparison

Natera, Inc. vs PTC Therapeutics, Inc.

Data as of Oct 21, 2026· market close· Healthcare· Coverage 66/66 fields· High confidence
AIQ VerdictFragileAIQ Comparison Conviction 4/10

PTCT leads

PTCT leads by 6 AIQ points, primarily on Quality and Value, having only recently taken the lead back from NTRA.

Fragile: 4 of 6 evidence groups support PTCT, the lead recently changed hands, and its current signal state is conflicted.

Evidence agreement: 4 of 6Comparison trend: Reversed
NTRA

Natera, Inc.

AIQ Score
48/100
AIQ Edge Score
4/10
PTCT

PTC Therapeutics, Inc.

Leads
AIQ Score
54/100
AIQ Edge Score
5/10

The Algovestiq AIQ Score currently favors PTCT over NTRA, 54 versus 48 as of Oct 21, 2026. PTCT's advantage is driven primarily by stronger quality and value, while NTRA holds the stronger momentum profile. PTCT also shows the weaker technical structure relative to its 50-day moving average. 4 of 6 covered evidence groups favor PTCT today, and the comparison is rated Fragile on stability: the lead has already changed hands inside the comparison window. PTCT lead: Reversed — NTRA led by 7 AIQ points 30 sessions ago; PTCT now leads by 6.

Compare Natera, Inc. and PTC Therapeutics, 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.

NTRA
+249.9%
PTCT
+73.8%

Price return comparison

Growth of $10,000, price only

NTRA $34,993 · PTCT $17,381

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

Compare NTRA and PTCT 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.

NTRA advantage
0
PTCT advantage
  • Quality57 vs 82
    PTCT +25
  • Momentum47 vs 37
    NTRA +10
  • Value34 vs 38
    PTCT +4
  • Risk Resilience57 vs 55
    Even

4 of 6 evidence groups favor PTCT. PTCT’s edge is concentrated in quality and value; NTRA keeps a meaningful momentum edge.

What changed since the last close

Latest scored session 2026-10-20, compared against the prior scored session 2026-10-19.

NTRA+2 AIQ

Largest factor move: Momentum +5

No signal started or stopped since the prior session; its 5 active signals are unchanged.

PTCT+2 AIQ

Largest factor move: Momentum +5

New signals

  • MACD Bullish Crossover — bullish, momentum, short horizon

PTCT's lead was unchanged in the latest session.

Deeper signal detail for each name lives on its own signals page — NTRA and PTCT both carry a full feed there.

The central trade-off

PTCT (PTC Therapeutics, Inc.): the stronger current systematic profile, led by quality and value.

NTRA (Natera, Inc.): the counter-case, on momentum, technicals.

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

PTCT

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

Growth

PTCT

PTCT on combined revenue and EPS growth.

Value

PTCT

PTCT on the peer-relative Value factor, by 4 points.

Momentum

NTRA

NTRA on the Momentum factor, by 10 points.

Lower downside

NTRA

NTRA carries the lower 1-month annualized volatility.

Analyst upside

PTCT

PTCT on implied upside to the consensus price target.

AIQ vs Wall Street

Where the systematic read and the analyst consensus line up — and where they do not.

MeasureNTRAPTCTNote
Implied upside to target-19.6%+64.4%PTCT has more room
Target dispersion+76.7%+60.2%Lower is tighter analyst agreement
ConsensusBuyBuyContext, not a primary driver
Analysts covering158Higher coverage generally improves confidence

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

AIQ Agreement Matrix

4 of 6 covered evidence groups favor PTCT. A wide gap backed by one group is a weaker case than a narrow gap backed by five.

Evidence groupFavorsReading
AIQ ScorePTCT48 vs 54
FundamentalsPTCTrevenue growth 8.1% vs 32.3%; EPS growth 21.7% vs 34.7%; TTM ROE -11.7% vs 21.7%; gross margin 65.3% vs 82.1%; operating margin -10.7% vs 11.5%
ValuationPTCTValue 34 vs 38
TechnicalsNTRAPrice vs 50-day 14.4% vs -6.6%; vs 200-day 56.6% vs -11.7%
Risk ResilienceEvenRisk Resilience 57 vs 55
Analyst expectationsPTCTTarget upside -19.6% vs 64.4%

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

AIQ Decision Stability

Fragile

The conclusion is sensitive to small changes. Treat the lead as provisional and watch the flip conditions below.

  • The AIQ gap is moderate at 6 points.
  • The lead has already changed hands inside the comparison window. (argues the conclusion is provisional)
  • The leader is throwing conflicting signals. (argues the conclusion is provisional)
  • Signal direction runs against the verdict: the leader is net-bearish while the laggard is net-bullish. (argues the conclusion is provisional)
  • Analyst targets on the leader are widely dispersed. (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 PTCT.

How the comparison changed

120 daily snapshots · Jun 21 – Oct 20

PTCT lead: Reversed — NTRA led by 7 AIQ points 30 sessions ago; PTCT now leads by 6.

Jun 21NTRA leads above the line · PTCT leads belowOct 20
Today
PTCT +6
48 vs 54
7 sessions ago
PTCT +7
47 vs 54
30 sessions ago
NTRA +7
60 vs 53
90 sessions ago
NTRA +4
58 vs 54

The lead changed hands 4 times in this window, most recently on Oct 8 when PTCT moved ahead of NTRA.

AIQ Signal Divergence

Only the signals that bear on the head-to-head. A conflicted name is carrying bullish and bearish rules at the same time — the technical evidence is not pointing one way.

NTRAConflicted

3 bullish / 1 bearish / 1 neutral, conflicted

Only NTRA

  • Golden Cross Active — bullish, trend, long horizon (39.40%)
  • EMA Ribbon Expansion Bullish — bullish, trend, medium horizon
  • Uptrend Structure Active — bullish, trend, long horizon
  • MACD Bearish Crossover — bearish, momentum, short horizon
PTCTConflicted

1 bullish / 2 bearish / 2 neutral, conflicted

Only PTCT

  • Bollinger Band Squeeze — neutral, volatility, short horizon
  • Death Cross Active — bearish, trend, long horizon (6.34%)
  • Downtrend Structure Active — bearish, trend, long horizon
  • MACD Bullish Crossover — bullish, momentum, short horizon

Both carry 1 more signal that do not separate them: ATR Expansion - Breakout Mode.

PTCT leads the comparison while carrying a conflicted signal state, which is one reason the stability rating is not higher.

Price vs model alignment

Whether the latest session's price move confirms what the model did over the same session, or contradicts it.

NTRAConfirmed strength

Price and the AIQ Score both moved up over the latest session (price +1.84%, AIQ +2 points).

PTCTDivergence

Price is down while the AIQ Score moved up 2 points over the same session — price and model disagree (price -0.48%, AIQ +2 points).

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. 1NTRA closes the Quality gap — currently 25 points behind, the largest single contributor to PTCT's edge.
  2. 2NTRA generates a confirmed bullish trend signal it does not currently carry, such as MACD Bullish Crossover.
  3. 3PTCT's conflicting signal state resolves bearish — it currently carries 1 bullish and 2 bearish rules at once.
  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

PTCT leads on balance
MetricNTRAPTCT
Revenue growth (YoY)8.1%32.3%
EPS growth (YoY)21.7%34.7%
Gross margin65.3%82.1%
Operating margin-10.7%11.5%
Return on equity (TTM)-11.7%21.7%
Debt to equity0.13-4.21

Performance

NTRA leads 5 of 6 windows
MetricNTRAPTCT
1 week (5 sessions)2.6%5%
1 month (20 sessions)3.8%-4.6%
3 months (63 sessions)53.6%-19.7%
6 months (126 sessions)97.6%-10.9%
Year to date77.2%-17.2%
1 year (252 sessions)124.8%-5.8%

Technicals

NTRA has the stronger structure
MetricNTRAPTCT
RSI (14)46.544.4
ADX (14)41.518.3
Price vs 50-day14.4%-6.6%
Price vs 200-day56.6%-11.7%
Volatility (1M, annualized)36.7%42.9%

Risk

Split
MetricNTRAPTCT
Beta1.240.74
Sharpe ratio1.82-0.01
Sortino ratio2.95-0.01
Max drawdown-28.2%-33.9%
Current drawdown-4.6%-29.7%
Annualized volatility48.5%40.8%
Value at risk (95%)-3.8%-4.1%

Straight answers

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

Which is better, NTRA or PTCT?

On the Algovestiq AIQ Score, PTCT is the stronger of the two as of Oct 21, 2026, scoring 54 against NTRA's 48. The edge comes from quality and value. NTRA is not without a case — it holds the better momentum profile, which matters more if that is the objective you are optimizing for. 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 NTRA or PTCT the better buy right now?

PTCT carries the stronger systematic profile as of Oct 21, 2026, and the comparison is rated Fragile — 4 of 6 covered evidence groups agree. A Fragile rating means the conclusion is sensitive: the lead has already changed hands inside the comparison window. Treat the lead as provisional.

Why does the AIQ Score favor PTCT over NTRA?

The composite weights Quality, Value, Momentum and Risk Resilience. PTCT leads Quality by 25 points; NTRA leads Momentum by 10 points; PTCT leads Value by 4 points. Where the two split, the factor with the larger weight carries the result.

Which has more analyst upside, NTRA or PTCT?

Analyst price targets imply -19.6% upside for NTRA and +64.4% for PTCT, so the Street currently favors PTCT. 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, NTRA or PTCT?

PTCT is the better-valued of the two on the peer-relative Value factor. PTCT on the peer-relative Value factor, by 4 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, NTRA or PTCT?

PTCT on combined revenue and EPS growth. 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, NTRA or PTCT?

NTRA on the Momentum factor, by 10 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, NTRA or PTCT?

NTRA is the more resilient of the two, so the other name carries the higher downside risk. NTRA carries the lower 1-month annualized volatility. Risk Resilience is a weighted factor in the composite; position sizing usually responds to it more usefully than the buy/avoid decision does.

Is NTRA more profitable than PTCT?

PTCT leads on the comparable margin measures — gross margin 65.3% vs 82.1%; operating margin -10.7% vs 11.5%; ttm roe -11.7% vs 21.7%.

Is PTCT's lead over NTRA getting stronger or weaker?

PTCT lead: Reversed — NTRA led by 7 AIQ points 30 sessions ago; PTCT now leads by 6. This is measured from 120 daily comparison snapshots between 2026-06-21 and 2026-10-20. The lead has changed hands 4 times in that window, most recently on 2026-10-08, when PTCT moved ahead of NTRA.

What would change the NTRA vs PTCT verdict?

The result is a state, not a forecast, so it changes when the underlying evidence changes. Concretely: NTRA closes the Quality gap — currently 25 points behind, the largest single contributor to PTCT's edge; NTRA generates a confirmed bullish trend signal it does not currently carry, such as MACD Bullish Crossover; PTCT's conflicting signal state resolves bearish — it currently carries 1 bullish and 2 bearish rules at once; 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.

What do the current signals say about NTRA and PTCT?

NTRA: 3 bullish / 1 bearish / 1 neutral, conflicted. PTCT: 1 bullish / 2 bearish / 2 neutral, conflicted. A conflicted state means bullish and bearish rules are active on the same name at once — the technical evidence is not pointing one way, and a decision taken on it carries more timing risk. The most decision-relevant rule on NTRA is Golden Cross Active (bullish, long horizon). On PTCT it is Death Cross Active (bearish, long horizon).

Compare NTRA and PTCT with others

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.