corpus.blog
41554 blogs · [ { "id": "01a087e8-3c67-7365-bb18-f366e65b6601", "title": "Finding Signal in Market Noise: I Stopped Reading the Tape and Started Measuring It", "url": "https://www.susanpotter.net/quant/order-flow-quantitative-methods/", "published_at": "2026-05-30T00:00:00+00:00" }, { "id": "01a087e8-3c67-7365-bb18-f366e67a5e90", "title": "Premarket Dashboard: Design Specification", "url": "https://www.susanpotter.net/quant/premarket-dashboard-design/", "published_at": "2026-05-30T00:00:00+00:00" }, { "id": "01a087e8-3c67-7365-bb18-f366e75d4598", "title": "Metamorphic Relations for Backtests: Testing the Engine, Not the Strategy", "url": "https://www.susanpotter.net/quant/metamorphic-relations-backtests/", "published_at": "2026-05-27T00:00:00+00:00" }, { "id": "01a087e8-3c67-7365-bb18-f366e8078e57", "title": "Monte Carlo Permutation Tests for Strategy Significance: Is Your Alpha Real or Random?", "url": 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"01a087e8-3c67-7365-bb18-f366ebbd66bd", "title": "The Testing Pyramid, Sideways: Software Testing Practices Analogues in Quantitative Trading", "url": "https://www.susanpotter.net/quant/testing-pyramid-sideways/", "published_at": "2026-05-16T00:00:00+00:00" }, { "id": "01a087e8-3c67-7365-bb18-f366ec018df8", "title": "Event Sourcing for Financial Systems", "url": "https://www.susanpotter.net/quant/event-sourcing-financial-systems/", "published_at": "2026-05-13T00:00:00+00:00" }, { "id": "01a087e8-3c67-7365-bb18-f366ec9bb4c5", "title": "Parsing Market Data: A Practical Guide for Quant Developers", "url": "https://www.susanpotter.net/quant/parsing-market-data-a-practical-guide-for-quant-developers/", "published_at": "2026-05-09T00:00:00+00:00" }, { "id": "01a087e8-3c67-7365-bb18-f366ed8f1cc8", "title": "Now", "url": "https://www.susanpotter.net/now/", "published_at": "2026-05-03T00:00:00+00:00" }, { "id": "01a087e8-3c67-7365-bb18-f366ee28cc57", "title": "Contact", "url": "https://www.susanpotter.net/contact/", "published_at": "2026-05-01T00:00:00+00:00" }, { "id": "01a087e8-3c67-7365-bb18-f366ef11b99f", "title": "Privacy Policy", "url": "https://www.susanpotter.net/privacy/", "published_at": "2026-05-01T00:00:00+00:00" }, { "id": "01a087e8-3c67-7365-bb18-f366ef945dc9", "title": "Terms of Use", "url": "https://www.susanpotter.net/terms/", "published_at": "2026-05-01T00:00:00+00:00" }, { "id": "01a087e8-3c67-7365-bb18-f366f07d0ff7", "title": "What if your language tooling was AI-native?", "url": "https://www.susanpotter.net/software/ai-native-language-tooling/", "published_at": "2025-06-25T00:00:00+00:00" }, { "id": "01a087e8-3c67-7365-bb18-f366f165e5b0", "title": "The Perfection Paradox in Quantitative Development", "url": "https://www.susanpotter.net/quant/perfection-paradox-quant-development/", "published_at": "2024-11-20T00:00:00+00:00" }, { "id": "01a087e8-3c67-7365-bb18-f366f1807d34", "title": "Software Optimization Through Property-Based 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Deno-Node Workflow", "url": "https://www.susanpotter.net/software/cross-runtime-typescript-library-development-a-deno-node-workflow/", "published_at": "2023-06-21T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298c4881cd8", "title": "Rapid Data Exploration with DuckDB: An In-Depth Tutorial", "url": "https://www.susanpotter.net/software/rapid-data-exploration-with-duckdb-an-in-depth-tutorial/", "published_at": "2023-06-19T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298c53a4203", "title": "Using Conditional Types in TypeScript", "url": "https://www.susanpotter.net/software/using-conditional-types-in-typescript/", "published_at": "2023-05-31T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298c54472a5", "title": "The Pitfalls of Serverless Hosting", "url": "https://www.susanpotter.net/software/the-pitfalls-of-serverless-hosting/", "published_at": "2023-05-19T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298c5862e0d", "title": "Extracting Your Twitter Archive into DuckDB", "url": "https://www.susanpotter.net/software/extracting-your-twitter-archive-into-duckdb/", "published_at": "2022-12-18T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298c6174541", "title": "Flix Series Part 1: Higher-order functions & infix combinators", "url": "https://www.susanpotter.net/software/flix-series-part-1-higher-order-functions-infix-combinators/", "published_at": "2022-07-04T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298c685a0aa", "title": "Flix Series Part 0: Getting Started & Setup", "url": "https://www.susanpotter.net/software/getting-started-with-flix-part-0/", "published_at": "2022-06-05T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298c7232e38", "title": "Unikernels: A Strategic Technology Assessment for Engineering Leaders", "url": "https://www.susanpotter.net/software/random-notes-on-unikernels/", "published_at": "2021-12-19T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298c81347ec", "title": "reMarkable 2: A Quant 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Type On It: Idris Types as Propositions", "url": "https://www.susanpotter.net/talks/put-a-type-on-it-idris-types-as-propositions/", "published_at": "2016-09-21T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298d533985f", "title": "Nix in your home directory", "url": "https://www.susanpotter.net/snippets/nix-in-your-home-directory/", "published_at": "2016-08-30T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298d5ece2f2", "title": "To Type or not to Static Type", "url": "https://www.susanpotter.net/software/to-type-or-not-to-static-type/", "published_at": "2016-05-01T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298d69e3682", "title": "From Zero To Production (NixOS, Erlang)", "url": "https://www.susanpotter.net/talks/from-zero-to-production-nixos-erlang/", "published_at": "2016-03-08T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298d6a91a14", "title": "Parametricity: A Practitioners Guide", "url": "https://www.susanpotter.net/software/parametricity-a-practitioners-guide/", "published_at": "2014-09-25T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298d6f8aa3d", "title": "Scalaz By Example (An IO Taster)", "url": "https://www.susanpotter.net/talks/scalaz-by-example-an-io-taster/", "published_at": "2014-01-09T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298d7eeb4ca", "title": "Algebraic Data Types", "url": "https://www.susanpotter.net/software/algebraic-data-types/", "published_at": "2012-11-27T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298d8459bce", "title": "Functional Algebra: Monoids Applied", "url": "https://www.susanpotter.net/talks/functional-algebra-monoids-applied/", "published_at": "2012-11-10T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298d86a0a68", "title": "Why Haskell? Embrace Correctness", "url": "https://www.susanpotter.net/talks/why-haskell/", "published_at": "2012-03-16T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298d86dab29", "title": "Erlang OTP Glossary of Terms", "url": "https://www.susanpotter.net/snippets/erlang-otp-glossary/", "published_at": "2012-01-10T05:31:13+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298d942e33d", "title": "Dynamo: Not just for datastores", "url": "https://www.susanpotter.net/talks/dynamo-not-just-for-datastores/", "published_at": "2011-09-19T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298d964c41f", "title": "Distributed Developer Workflows using Git", "url": "https://www.susanpotter.net/talks/distributed-developer-workflows-using-git/", "published_at": "2011-08-01T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298da27e074", "title": "Why JSON Pointer falls short (and why XPath for JSON would be great)", "url": "https://www.susanpotter.net/software/why-json-pointer-falls-short-and-why-xpath-for-json-would-be-great/", "published_at": "2011-07-31T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298daf11eea", "title": "Erlang Meck API notes", "url": "https://www.susanpotter.net/snippets/erlang-meck-api-notes/", "published_at": "2011-03-23T06:11:30+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298dbb6df0f", "title": "Deploying Distributed Software to the Cloud (w/o Breaking a Sweat)", "url": "https://www.susanpotter.net/talks/deploying-distributed-software-services-to-the-cloud-without-breaking-a-sweat/", "published_at": "2011-03-05T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298dc4c1eef", "title": "Designing for Concurrency", "url": "https://www.susanpotter.net/talks/designing-for-concurrency/", "published_at": "2010-08-22T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298dccdd5c8", "title": "Erlang's \"let it fail\" philosophy", "url": "https://www.susanpotter.net/software/erlangs-let-it-fail-philosophy/", "published_at": "2010-01-30T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298dcf09f61", "title": "Predicate Algebra in Python", "url": "https://www.susanpotter.net/snippets/predicate-algebra-in-python/", "published_at": "2009-11-09T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298dddeb94d", "title": "Scala versus Erlang for Managers", "url": "https://www.susanpotter.net/software/scala-versus-erlang-for-managers/", "published_at": "2009-04-15T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298ddf304ab", "title": "SCM: The Next Generation", "url": "https://www.susanpotter.net/software/scm-the-next-generation/", "published_at": "2007-01-25T00:00:00+00:00" }, { "id": "01a087e8-3c68-710c-9dd1-6298de6d817d", "title": "Affiliate Disclosure", "url": "https://www.susanpotter.net/affiliate-disclosure/", "published_at": null }, { "id": "01a087e8-3c68-710c-9dd1-6298df41fd7e", "title": "Credits", "url": "https://www.susanpotter.net/credits/", "published_at": null }, { "id": "01a087e8-3c68-710c-9dd1-6298df9c0f6a", "title": "How can I show only the files containing merge conflicts?", "url": "https://www.susanpotter.net/git/how-can-i-show-only-the-files-containing-merge-conflicts/", "published_at": null }, { "id": "01a087e8-3c68-710c-9dd1-6298dffa1f76", "title": "How do I delete a branch in Git locally and globally?", "url": "https://www.susanpotter.net/git/how-do-i-delete-a-branch-in-git-locally-and-globally/", "published_at": null }, { "id": "01a087e8-3c68-710c-9dd1-6298e0b53721", "title": "How to show the current branch name?", "url": "https://www.susanpotter.net/git/how-to-show-the-current-branch-name/", "published_at": null }, { "id": "01a087e8-3c68-710c-9dd1-6298e1534894", "title": "Susan Potter: Quant Developer & Principal Engineer", "url": "https://www.susanpotter.net/about/", "published_at": null }, { "id": "01a087e8-3c68-710c-9dd1-6298e18b83b1", "title": "What is NixOS and why am I excited about what it offers?", "url": "https://www.susanpotter.net/nixos/", "published_at": null } ] posts Claim your blog
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2026

Finding Signal in Market Noise: I Stopped Reading the Tape and Started Measuring Itoriginal ↗
30 May 2026
Premarket Dashboard: Design Specificationoriginal ↗
30 May 2026
Metamorphic Relations for Backtests: Testing the Engine, Not the Strategyoriginal ↗
27 May 2026
Monte Carlo Permutation Tests for Strategy Significance: Is Your Alpha Real or Random?original ↗
25 May 2026
Bootstrap Methods for Strategy Robustness: Resampling When You Can't Get More Dataoriginal ↗
23 May 2026
A Taxonomy of Backtest Lies: Survival Bias, Lookahead Bias, and the Restoriginal ↗
22 May 2026
Walk-Forward Optimization: Anchored vs. Rolling Windows and When Each Failsoriginal ↗
21 May 2026
Autocorrelation and What It Means for Your Backtest P&Loriginal ↗
20 May 2026
Stationarity Testing for Strategy Signals: ADF, KPSS, and Why Your Backtest Depends on Itoriginal ↗
19 May 2026
Property-Based Testing Meets Financial Data: Turning Market Invariants into Executable Specificationsoriginal ↗
18 May 2026
From Hypothesis to Production: A Quant's Productivity Toolkitoriginal ↗
16 May 2026
The Testing Pyramid, Sideways: Software Testing Practices Analogues in Quantitative Tradingoriginal ↗
16 May 2026
Event Sourcing for Financial Systemsoriginal ↗
13 May 2026
Parsing Market Data: A Practical Guide for Quant Developersoriginal ↗
9 May 2026
Noworiginal ↗
3 May 2026
Contactoriginal ↗
1 May 2026
Privacy Policyoriginal ↗
1 May 2026
Terms of Useoriginal ↗
1 May 2026

2025

What if your language tooling was AI-native?original ↗
25 Jun 2025

2024

The Perfection Paradox in Quantitative Developmentoriginal ↗
20 Nov 2024
Software Optimization Through Property-Based Thinkingoriginal ↗
31 Oct 2024
Software Optimization Mental Models for Software Engineersoriginal ↗
21 Oct 2024
The costs of digital twins and solving the 200% problemoriginal ↗
26 Sept 2024
An Ode To ISO 8601original ↗
4 Sept 2024

2023

Flix Part 2: Smart Constructorsoriginal ↗
31 Oct 2023
A Haskell view of functional programming ("effectful")original ↗
18 Jul 2023
A Haskell view of functional programming (well-typedness)original ↗
10 Jul 2023
TypeScript's Mapped Typesoriginal ↗
23 Jun 2023
Cross-runtime TypeScript Library Development: A Deno-Node Workfloworiginal ↗
21 Jun 2023
Rapid Data Exploration with DuckDB: An In-Depth Tutorialoriginal ↗
19 Jun 2023
Using Conditional Types in TypeScriptoriginal ↗
31 May 2023
The Pitfalls of Serverless Hostingoriginal ↗
19 May 2023

2022

Extracting Your Twitter Archive into DuckDBoriginal ↗
18 Dec 2022
Flix Series Part 1: Higher-order functions & infix combinatorsoriginal ↗
4 Jul 2022
Flix Series Part 0: Getting Started & Setuporiginal ↗
5 Jun 2022

2021

Unikernels: A Strategic Technology Assessment for Engineering Leadersoriginal ↗
19 Dec 2021
reMarkable 2: A Quant Researcher's Paper Tabletoriginal ↗
27 Jul 2021

2020

Track diffs by scoping file, range, function, method, class changesoriginal ↗
22 Dec 2020
TypeScript's keyof operator and possible usesoriginal ↗
18 Oct 2020
How to make seemingly impossible decisionsoriginal ↗
17 Oct 2020
Profunctors for Practitioners: The API (Part 3)original ↗
4 Oct 2020
Profunctors for Practitioners: First Intuitions (Part 2)original ↗
29 Sept 2020
JavaScript objects to TypeScript enumerations, const enums, ambient enumsoriginal ↗
25 Sept 2020
Using three-way diffing context for merge conflict style in Gitoriginal ↗
24 Sept 2020
Profunctors for Practitioners: Motivating Examples (Part 1)original ↗
22 Sept 2020
Dhall's merge: Pattern Matching for Configurationoriginal ↗
21 Sept 2020
Reader: Dependency Injection Without the Ceremonyoriginal ↗
19 Sept 2020
No Subtyping in PureScript: Row Polymorphism Insteadoriginal ↗
11 Sept 2020
Algebraic Data Types in TypeScriptoriginal ↗
11 Aug 2020
Algebraic Data Types: For the math(s) inclinedoriginal ↗
11 Aug 2020
Thinking in Properties (and Beyond), Testing editionoriginal ↗
1 Aug 2020
Experience report deploying PureScript to AWS Serverless (Lambda)original ↗
3 Jun 2020
`any` versus `unknown` in TypeScript: When to use one over the otheroriginal ↗
29 Jan 2020

2019

DynamoDB: The Basicsoriginal ↗
30 Oct 2019
From Zero to Haskell: Lessons Learned (ZuriHac)original ↗
15 Jun 2019
Shortsoriginal ↗
12 May 2019
Dynamically scaling a news and activism hub (5x traffic in 20 mins)original ↗
26 Apr 2019
Socket Statistics on Linux with ssoriginal ↗
3 Apr 2019

2018

Profunctors: The Machinery Behind Opticsoriginal ↗
30 Oct 2018
Decoding lens operatorsoriginal ↗
21 Apr 2018
Functional Operations (Functional Programming at Comcast Labs Connect)original ↗
9 Mar 2018

2017

Economic concepts applied in software development and leadershiporiginal ↗
22 Jun 2017
A Mathematician in Scotlandoriginal ↗
10 Mar 2017

2016

Functional and Reactive Operationsoriginal ↗
4 Oct 2016
Put a Type On It: Idris Types as Propositionsoriginal ↗
21 Sept 2016
Nix in your home directoryoriginal ↗
30 Aug 2016
To Type or not to Static Typeoriginal ↗
1 May 2016
From Zero To Production (NixOS, Erlang)original ↗
8 Mar 2016

2014

Parametricity: A Practitioners Guideoriginal ↗
25 Sept 2014
Scalaz By Example (An IO Taster)original ↗
9 Jan 2014

2012

Algebraic Data Typesoriginal ↗
27 Nov 2012
Functional Algebra: Monoids Appliedoriginal ↗
10 Nov 2012
Why Haskell? Embrace Correctnessoriginal ↗
16 Mar 2012
Erlang OTP Glossary of Termsoriginal ↗
10 Jan 2012

2011

Dynamo: Not just for datastoresoriginal ↗
19 Sept 2011
Distributed Developer Workflows using Gitoriginal ↗
1 Aug 2011
Why JSON Pointer falls short (and why XPath for JSON would be great)original ↗
31 Jul 2011
Erlang Meck API notesoriginal ↗
23 Mar 2011
Deploying Distributed Software to the Cloud (w/o Breaking a Sweat)original ↗
5 Mar 2011

2010

Designing for Concurrencyoriginal ↗
22 Aug 2010
Erlang's "let it fail" philosophyoriginal ↗
30 Jan 2010

2009

Predicate Algebra in Pythonoriginal ↗
9 Nov 2009
Scala versus Erlang for Managersoriginal ↗
15 Apr 2009

2007

SCM: The Next Generationoriginal ↗
25 Jan 2007

Undated

Affiliate Disclosureoriginal ↗
—
Creditsoriginal ↗
—
How can I show only the files containing merge conflicts?original ↗
—
How do I delete a branch in Git locally and globally?original ↗
—
How to show the current branch name?original ↗
—
Susan Potter: Quant Developer & Principal Engineeroriginal ↗
—
What is NixOS and why am I excited about what it offers?original ↗
—