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LASSO Factor Analysis for Hedge Funds: See What Really Drives Returns

AlternativeSoft's LASSO model selects the few factors that explain a hedge fund's returns from a transparent library of 25, so the beta is accounted for and the alpha stands on its own. Test it live below, then see it run on your own fund.

Try the LASSO Explorer Book a Demo on Your Fund

Works on: Hedge fundsCTAsHFRI indicesEquity indicesMutual funds

Example: Multi-Market CTA

36 month rolling window · July 2026

Live result

25Candidate factors

4Factors selected

0.58Adjusted R²

AltERS FI Carry

1.39

AltERS FI Momentum

0.91

USD/EUR Index

0.60

GSCI Commodity

0.17

Annualised alpha 8.17% · Information ratio 1.31 · Alpha t-stat 4.73. Example fund shown anonymously. Past performance is not a guide to future results.

What is LASSO factor analysis?

LASSO factor analysis is a returns-based method that explains a hedge fund's performance using only the factors that matter. It starts from a library of candidate factors, applies a penalty that shrinks unhelpful exposures to zero, and keeps a short, stable list. What the factors cannot explain is the fund's estimated alpha.

AlternativeSoft's LASSO model uses a library of 25 factors covering alternative risk premia, equity styles, credit, rates, commodities, currency and managed futures. It reports adjusted R², annualised alpha, tracking error, information ratio and the alpha t-stat for every fund.

Key facts

25 factors in the LASSO factor set, up from 16 in the previous desktop model
Rolling windows such as 36 months, for hedge funds, CTAs and indices
Available now in FluidView Desktop
Cloud launch on 15 November 2026

Factors in the
LASSO library

150+

Institutional clients
worldwide

500k+

Funds in our
database

20+

Years of excellence
since 2005

Why LASSO

A Cleaner Answer to "Is This Alpha or Just Beta?"

Too few factors miss real exposures. Too many fit noise. LASSO finds the balance, and shows its working.

Selects only what matters

The LASSO penalty removes factors that add noise, so every fund is explained by a short list of exposures you can read and defend.

Interpretable, positive betas

A stepwise, beta-positive setting keeps exposures economically sensible, with no hidden offsetting positions in the factor mix.

Alpha you can test

Annualised alpha comes with tracking error, information ratio and a t-stat, so significance is visible rather than assumed.

Built for alternatives

Trend, carry, short volatility, value and quality premia sit beside equity, credit and rates, so CTAs and macro funds are explained properly.

Interactive

Run LASSO Yourself: Turn the Penalty Dial

Drag the slider to relax the LASSO penalty and watch factors enter the model. See how explanatory power rises, then falls when the model starts fitting noise.

Step 1: Set the penalty

Strong penalty means few factors. Weak penalty means many. Somewhere in between is the sweet spot.

LASSO penaltyStrong

Strong (fewer factors)Weak (more factors)

The 25 candidate factors

Highlighted factors are active in the model at this penalty.

Step 2: Read the result

Adjusted R² shows how much of the fund's return variation the active factors explain, after penalising for factor count.

Adjusted R²0.58

Factors active4

Illustrative path based on a multi-market CTA example (36 months to July 2026). The four-factor result, with adjusted R² of 0.58, is the live example above. Other points on the path show how the method behaves and will differ for your fund. Want to see your own fund? Request a free LASSO run.

The Factor Library

The 25 LASSO Factors, Fully Disclosed

Transparency is the point. Filter by family, or pick a strategy to see which factor families typically matter most for it.

Factor family

Highlight by strategy

Worked Example

From a Weak Fit to 8% Alpha: A CTA Case

Adding the AltERS alternative risk premia indices and using stepwise, beta-positive regression lifted the explanatory power for a multi-market CTA.

0.58Adjusted R²

8.17%Annualised alpha

6.25%Tracking error

1.31Information ratio

4.73Alpha t-stat

36mRolling window

Multi-market CTA shown anonymously. 36 month window to July 2026, estimated in FluidView. Alpha is a model estimate and depends on the factor set and window chosen. Past performance is not a guide to future results.

Selected factor	Beta	t-stat
USD/EUR Index	0.60	3.58
iShares GSCI Commodity Dynamic Roll Strategy ETF	0.17	2.68
AltERS VW Fixed Income Carry Cross Sectional	1.39	2.94
AltERS VW Fixed Income Momentum Time Series Trend	0.91	2.37

How It Works

How to Run a LASSO Factor Analysis in Four Steps

From fund selection to a defensible alpha number, in one workflow.

Choose the fund and window

Select a hedge fund, CTA or index from your database and set a rolling window such as 36 months.

Load the 25-factor set

Apply the LASSO factor set, or save your own asset-specific set for a strategy you follow closely.

Let LASSO select

The penalty removes noisy factors and keeps the exposures that explain returns, with positive betas.

Read alpha and significance

Review adjusted R², annualised alpha, tracking error, information ratio and the alpha t-stat.

Compare Approaches

LASSO vs Other Factor Methods for Hedge Funds

How LASSO compares with the methods most allocators already know.

Method	Factor selection	Overfitting risk	Interpretability
LASSO (AlternativeSoft)	Automatic, penalty shrinks weak factors to zero	Lower	High: short factor list with positive betas
Ordinary regression, all factors	None, every factor is kept	High	Medium: many small, unstable betas
Stepwise regression alone	Rule-based adding and removing	Medium	High, but sensitive to the sample
Principal components (PCA)	Statistical components	Medium	Low: components are hard to name

Who It Is For

Factor Analysis for Every Hedge Fund Investor

Anyone who has to justify a fee, an allocation or a track record.

Pension Funds

Show trustees what is skill and what is market exposure before a mandate is renewed.

Learn more

Family Offices

Independently test whether an advisor-proposed manager is adding genuine alpha.

Learn more

Endowments & Foundations

Understand the true diversification a hedge fund brings alongside your equity and credit book.

Learn more

Funds of Funds

Check overlap in factor exposures across managers before building the portfolio.

Learn more

Wealth Managers

Explain performance to clients in plain factor terms, backed by a t-stat.

Learn more

Hedge Fund Managers

See your fund the way allocators will, and prepare the answer before they ask.

Learn more

Availability

Where You Can Use LASSO

Available now

FluidView Desktop

Run LASSO on any fund or index in your database today, with rolling windows and saved factor sets.

15 November 2026

AlternativeSoft Cloud

The same model in your browser, with no installation required.

Your factors

Asset-specific factor sets

Start from our 25 factors or save a tailored set for a strategy you follow closely.

FAQ

LASSO Factor Analysis: Your Questions Answered

What is LASSO factor analysis for hedge funds?

LASSO factor analysis is a returns-based method that explains a hedge fund's returns using a small number of factors chosen from a larger library. The LASSO penalty shrinks the weights of unhelpful factors to zero, so only the exposures that genuinely drive returns remain. What is left unexplained is the fund's alpha.

How is LASSO different from ordinary regression or stepwise selection?

Ordinary regression with many factors tends to overfit and produce unstable betas. LASSO adds a penalty on the size of the betas, which forces the model to choose. The result is a shorter, more stable list of factors and an alpha estimate that depends less on noise.

Which 25 factors does the AlternativeSoft LASSO model use?

The factor set spans eight AltERS alternative risk premia indices (trend, short volatility, carry, value and quality), ten equity market and style factors, three credit factors, one rates factor, one commodity factor, one currency factor (USD/EUR) and a managed futures benchmark. The full list is in the factor library above.

What does adjusted R² tell me in a LASSO analysis?

Adjusted R² shows how much of a fund's return variation the selected factors explain, after penalising for the number of factors used. A higher value means the risk exposures are better understood. It is usually read together with the alpha t-stat, which shows whether the remaining alpha is statistically significant.

How does LASSO help separate alpha from beta?

By explaining as much return as possible with transparent factor exposures, LASSO leaves a cleaner residual. That residual is the estimated alpha, reported with tracking error, information ratio and a t-stat so allocators can judge whether it is skill or noise. See also our style and factor analysis page.

Which funds can I analyse with the LASSO model?

Any fund or index with a return history in your database, including hedge funds, CTAs, hedge fund indices such as HFRI, equity indices and mutual funds. Rolling windows such as 36 months are supported.

Is LASSO available in AlternativeSoft Cloud?

LASSO is available now in FluidView Desktop. It is scheduled to arrive in AlternativeSoft Cloud on 15 November 2026.

Can AlternativeSoft run LASSO on my own fund?

Yes. Send us the name of a fund and we will run a free LASSO analysis and walk you through the factor exposures, adjusted R² and alpha in a live demo. Use the form below.

Your Fund, Our LASSO

Send Us a Fund. We Run LASSO for Free.

Name a hedge fund, CTA or index you know well. We will run the LASSO analysis and walk you through the factor exposures, adjusted R² and alpha in a live demo.

A free LASSO analysis on a fund you choose
See which of the 25 factors drive its returns
Understand how much of its alpha is statistically significant
Live walkthrough of the full platform, tailored to your mandate
Free trial access available following the demo

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Complete the form and we will respond within one business day.

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For professional investors only. Factor models are estimates based on historical data and depend on the factor set, window and method chosen. Nothing on this page is investment advice or an offer to invest. Past performance is not a guide to future results.