
Portfolio Visualizer
SkewLab
Honest Backtest Engine
EquityReplay
SeeFund.app
Options Backtesting Engine
QuantConnect
Create portfolio backtests quickly and easily by describing them in plain English. Our AI will find the relevant Stocks or ETFs and create the backtest for you.

Ghost
Medium
beehiiv
MailChimp
Buttondown
WordPress
Notocat
With Substack, anyone can start a publication that combines a personal website, blog, and email newsletter or podcast. It's quick and simple.

Which is more popular?
Based on our record, Substack seems to be more popular. It has been mentioned 113 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | portfoliobacktest.com | substack.com |
| Pricing | — | |
| Company | Startup from Australia · 1 - 9 employees · 2025 | Startup from the United States |
| Listed in |
In their own words, as submitted to SaaSHub.


I built Portfolio Backtest because I wanted an easy way to backtest hypothetical portfolios. Alternatives required you to fill out long complicated forms to construct the backtest but I wanted something where you could just describe what you wanted in plain english. Once created I wanted it to be...
No description of Substack yet.
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Create Portfolio Backtest With Plain Language
Monetizing Podcasts and Newsletters - Chris Best of Substack and Jonathan Gill of Backtracks
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Portfolio Backtest and Substack. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Portfolio Backtest yet. Be the first one to post
Substack offers writers of all experience levels the ability to write an email newsletter that’s profitable through subscriptions. Substack provides purpose-built web and newsletter publishing tools to enable writers...
What sеts Substack apart is its sеamlеss intеgration of contеnt crеation and subscription-basеd monеtization. Substack’s usеr-friеndly intеrfacе, distribution tools, and support for various contеnt formats make it a...
Substack and Medium differ primarily in their monetization methods. Medium pays creators based on reader engagement, while Substack enables writers to monetize directly through paid subscriptions to their newsletters....
Recommendations tracked on public social media and blogs since March 2021.


Tracking Portfolio Backtest since Jun 2025.
a profile link: https://substack.com/@noahpinion. - Source: dev.to / 1 day ago
A free comedy newsletter that has nothing to do with technology yet mentions it from time to time. https://substack.com/@yelluwcomedy. - Source: Hacker News / 5 days ago
Books have already been written on this, some as early as 1945 (That Hideous Strength, C.S. Lewis). Otherwise I can recommend basically everything by Curtis Yarvin and Kevin Dolan (https://substack.com/@exitgroup,... - Source: Hacker News / 24 days ago
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Build, test and analyze trading strategies and portfolios on stocks, ETFs, crypto, FX, futures and bonds. Institutional-grade backtesting, no code required.
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A backtester built to catch strategies that only work on paper
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beehiiv empowers people to create, monetize, and grow by providing the most powerful and robust newsletter platform, holistically under one roof.
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