Software Alternatives & Startups

NumPy VS Honest Backtest Engine

Compare NumPy VS Honest Backtest Engine and see what are their differences

NumPy

NumPy is the fundamental package for scientific computing with Python

Rating
0 reviews
Pricing
Open source
Honest Backtest Engine

A backtester built to catch strategies that only work on paper

Rating
0 reviews
Pricing
Paid €149 / One-off
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, NumPy seems to be more popular. It has been mentioned 122 times since March 2021.

social mentions
122 vs 0
Data Science And Machine Learning popularity
100% vs 0%
alternatives listed
189 vs 21

Base details

Website, pricing, platforms and company facts side by side.

NumPy
Honest Backtest Engine
Website numpy.org honestbacktester.com
Pricing
Open source
Paid €149 / One-off Official pricing
Platforms —
Windows MacOS Linux
Company — Startup from Ireland
Listed in

About NumPy and Honest Backtest Engine

In their own words, as submitted to SaaSHub.

NumPy
Honest Backtest Engine

No description of NumPy yet.

Most backtests flatter you — great numbers in, great numbers out. Honest Backtest Engine is built to do the opposite: it tests your strategy on data it never saw, models real commission, slippage and borrow, deflates the Sharpe for how many combinations you tried, and Monte-Carlo stress-tests the...

Read more about Honest Backtest Engine

Features and specs

What each product offers, as listed by its team.

NumPy 5 features
Honest Backtest Engine 0 features
  • Performance
    NumPy operations are executed with highly optimized C and Fortran libraries, making them significantly faster than standard Python arithmetic operations, especially for large datasets.
  • Versatility
    NumPy supports a vast range of mathematical, logical, shape manipulation, sorting, selecting, I/O, and basic linear algebra operations, making it a versatile tool for scientific and numeric computing.
  • Ease of Use
    NumPy provides an intuitive, easy-to-understand syntax that extends Python's ability to handle arrays and matrices, lowering the barrier to performing complex scientific computations.
  • Community Support
    With a large and active community, NumPy offers extensive documentation, tutorials, and support for troubleshooting issues, as well as continuous updates and enhancements.
  • Integrations
    NumPy integrates seamlessly with other libraries in Python's scientific stack like SciPy, Matplotlib, and Pandas, facilitating a streamlined workflow for data science and analysis tasks.

Possible disadvantages

  • Memory Consumption
    NumPy arrays can consume large amounts of memory, especially when working with very large datasets, which can become a limitation on systems with limited memory capacity.
  • Learning Curve
    For users new to scientific computing or coming from different programming backgrounds, understanding the intricacies of NumPy's operations and efficient usage can take time and effort.
  • Limited GPU Support
    NumPy primarily runs on the CPU and doesn't natively support GPU acceleration, which can be a disadvantage for extremely compute-intensive tasks that could benefit from parallel processing.
  • Dependency on Python
    Since NumPy is a Python library, it depends on the Python runtime environment. This can be a limitation in environments where Python is not the primary language or isn't supported.
  • Indexing Complexity
    Although NumPy's slicing and indexing capabilities are powerful, they can sometimes be complex or unintuitive, especially for multi-dimensional arrays, leading to potential errors and confusion.

No features have been listed yet.

Analysis

An editorial look at what each product does well and who it suits.

NumPy
Honest Backtest Engine

Overall verdict

  • Yes, NumPy is considered good. It is a foundational library in the Python ecosystem for numerical computing and is used globally by researchers, engineers, and data scientists.

Why this product is good

  • NumPy is widely regarded as a good library because it offers fast, flexible, and efficient array handling that is integral to scientific computing in Python. It provides tools for integrating C/C++ and Fortran code, useful linear algebra, random number capabilities, and a vast collection of mathematical functions. Its array broadcasting capabilities and versatility make complex mathematical computations straightforward.

Recommended for

  • Scientists and researchers working with large-scale scientific computations.
  • Data scientists engaged in data analysis and manipulation.
  • Engineers and developers needing performance-optimized mathematical computations.
  • Educators and students in STEM fields.

Overall verdict

  • I don't have verified, specific information about honestbacktester.com to confirm its legitimacy, performance claims, or user satisfaction, so I can't responsibly declare it 'good' or 'bad'—you should independently verify its methodology, transparency about slippage/fees, and user reviews before trusting it with trading decisions.

Why this product is good

  • It's a niche backtesting tool that isn't widely covered by major financial media or review sites, making independent verification difficult.
  • Backtesting engines can vary widely in quality depending on how they handle look-ahead bias, survivorship bias, transaction costs, and slippage—claims of being 'honest' should be checked against actual methodology documentation.
  • Without verified user reviews, audited performance data, or transparency reports, any strong endorsement would be speculative.
  • The name suggests a marketing angle emphasizing transparency, which is a positive signal in the backtesting space where many tools overstate results, but naming alone doesn't confirm actual practice.

Recommended for

  • Traders and quants who are willing to do their own due diligence on backtesting methodology before committing capital based on results
  • Users who specifically want a tool marketed around transparency and want to test its claims against known backtesting pitfalls like overfitting and bias
  • Not recommended as a sole basis for live trading decisions without independent verification of its accuracy and track record

Videos

Walkthroughs and reviews on video.

NumPy 3 videos + Add
Honest Backtest Engine 0 videos + Add

Learn NUMPY in 5 minutes - BEST Python Library!

More videos

  • - Python for Data Analysis by Wes McKinney: Review | Learn python, numpy, pandas and jupyter notebooks
  • - Effective Computation in Physics: Review | Learn python, numpy, regular expressions, install python

No Honest Backtest Engine videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
NumPy
Honest Backtest Engine
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

Questions & Answers

As answered by people managing NumPy and Honest Backtest Engine.

What makes your product unique?

Honest Backtest Engine's answer:

Most backtesting tools are built to make a strategy look good. Honest Backtest Engine is built to do the opposite — to catch the strategy that only works on paper before you risk real money on it. Every run headlines out-of-sample results, charges real trading costs, deflates the Sharpe ratio for how many parameter combinations you tried, and Monte-Carlo stress-tests the outcome. It ends in a single believability score from 0 to 100, and it shows you the checks your strategy failed, not just the ones it passed. No other tool leads with the red marks.

What's the story behind your product?

Honest Backtest Engine's answer:

It was built out of a common, painful experience: strategies that backtest beautifully and then quietly lose money live. That gap is almost always caused by overfitting, ignored costs, look-ahead bias, or a single lucky run mistaken for an edge — and most backtesting tools do nothing to catch it. Honest Backtest Engine exists to run those checks automatically and to be honest about the result, even when the honest answer is "this edge probably isn't real."

Why should a person choose your product over its competitors?

Honest Backtest Engine's answer:

Because it's designed to tell you the truth rather than flatter you. It models real commission, slippage and borrow costs, it's look-ahead-proof, and it produces a tamper-evident signed report anyone can verify without trusting you. It runs entirely on your own machine — your data and strategies never leave your computer. It's a one-time €149 purchase with every future version included, no subscription. And it comes with a guarantee: if it doesn't catch a backtest that was lying to you within 30 days, you get a full refund.

How would you describe the primary audience of your product?

Honest Backtest Engine's answer:

Retail and independent algorithmic traders who build and backtest their own strategies — especially anyone who has watched a great-looking backtest lose money in live trading and wants to know whether an edge is real before funding an account. It suits people comfortable with concepts like Sharpe ratio, overfitting and out-of-sample testing, though the reports are written to be readable without a quant background.

Which are the primary technologies used for building your product?

Honest Backtest Engine's answer:

Python, with pandas and NumPy for the backtesting engine and data handling. Reports and the local interface are rendered as HTML in the browser. Reports are cryptographically signed using Ed25519 so they can be independently verified. It runs as a self-contained local application on Windows, Mac and Linux.

User comments

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

NumPy no reviews yet
Honest Backtest Engine no reviews yet

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

NumPy 122 mentions
Honest Backtest Engine 0 mentions

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Tracking Honest Backtest Engine since Jul 2026.

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