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Polygon.io VS assertpy

Compare Polygon.io VS assertpy and see what are their differences

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Polygon.io logo Polygon.io

Polygon.io offers streaming realtime data for stocks/equities, ETFs, Indecies and Forex/Currencies including crypto currencies. Our Real-Time Stock Data APIs help you build the future on fintech.

assertpy logo assertpy

A straightforward assertion library for Python.
  • Polygon.io Landing page
    Landing page //
    2023-08-18
  • assertpy Landing page
    Landing page //
    2022-11-06

Polygon.io features and specs

  • Comprehensive Data Coverage
    Polygon.io offers a wide range of financial data, including stocks, forex, and crypto, making it a one-stop solution for financial data needs.
  • Real-time Data
    The platform provides real-time data feeds, which are crucial for traders and financial analysts to make timely decisions.
  • Developer-friendly API
    Polygon.io has a well-documented and easy-to-use API, which simplifies the integration process for developers looking to access financial data.
  • Historical Data Access
    Users can access extensive historical data through the platform, enabling backtesting and historical analysis of financial instruments.
  • Customizable Subscription Plans
    Polygon.io offers various subscription tiers, allowing users to select the level of access that best fits their needs and budget.

Possible disadvantages of Polygon.io

  • Cost
    For some users, the subscription fees may be considered expensive, especially for smaller businesses or individual investors.
  • Data Limits on Free Tier
    The free access tier has limitations on data availability and usage, which might be restrictive for more demanding applications.
  • Learning Curve
    Despite being developer-friendly, there may still be a learning curve for users who are not familiar with APIs or need specific data integrations.
  • Dependence on Internet Connectivity
    As an online service, uninterrupted access to Polygon.io's data depends on a stable internet connection.
  • Potential Overwhelming Features
    With an extensive range of features and data sets, beginners might find the platform overwhelming without clear guidance or use-case examples.

assertpy features and specs

  • Fluent API
    Assertpy offers a fluent API that makes assertions more readable and expressive, enabling developers to write assertions in a natural language style that is easy to understand.
  • Chainable Assertions
    It allows for chainable assertions, enabling multiple checks to be performed in a single line of code, thereby reducing verbosity and enhancing clarity.
  • Comprehensive Assertion Methods
    The library provides a wide range of built-in assertion methods, catering to various types of data validations, such as checking for size, type, value, and more.
  • Extensibility
    Assertpy supports extending its functionality by defining custom assertions, allowing developers to tailor it to their specific needs.
  • Pythonic
    Designed with Pythonic principles in mind, Assertpy fits seamlessly into Python projects, enabling idiomatic and consistent code style.

Possible disadvantages of assertpy

  • Learning Curve
    Developers new to the library may encounter a learning curve due to the distinct approach of using fluent and chainable assertions as opposed to traditional methods.
  • Limited by Python Version
    The library may have limitations in terms of compatibility with older versions of Python, requiring users to ensure their environment is up-to-date.
  • Performance Overhead
    The additional abstraction layer introduced by a fluent interface might introduce some performance overhead, especially in performance-critical or resource-constrained environments.
  • Less Community Support
    Compared to more established testing libraries, Assertpy might have less community support and fewer resources available for resolving issues or getting help.
  • Dependency Management
    Using a third-party library introduces additional dependencies to manage, which could complicate project maintenance and compatibility.

Analysis of assertpy

Overall verdict

  • assertpy is a well-regarded, lightweight assertion library for Python that provides a fluent, chainable API for writing readable and expressive test assertions, making it a solid choice for improving test clarity.

Why this product is good

  • Offers a fluent, chainable assertion syntax that makes tests more readable and self-documenting
  • Comprehensive built-in assertions for strings, numbers, lists, dicts, files, dates, and more
  • Produces clear, descriptive failure messages that speed up debugging
  • Lightweight with minimal dependencies and easy to integrate into existing test suites
  • Framework-agnostic, working seamlessly with pytest, unittest, and other test runners
  • Actively maintained open-source project with good documentation and community support

Recommended for

  • Python developers who want more readable and expressive test assertions
  • Teams using pytest or unittest looking to enhance assertion clarity
  • Projects that value descriptive failure messages for faster debugging
  • Developers coming from fluent assertion libraries in other languages (like AssertJ or Chai)
  • QA engineers and testers writing maintainable, self-documenting test code

Polygon.io videos

Get Stock Pricing Data From The Polygon.io API For Algo-Trading Using Python

assertpy videos

No assertpy videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to Polygon.io and assertpy)
Finance
100 100%
0% 0
Testing
0 0%
100% 100
Investing
100 100%
0% 0
Python
0 0%
100% 100

User comments

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Social recommendations and mentions

Based on our record, Polygon.io seems to be more popular. It has been mentiond 85 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Polygon.io mentions (85)

  • Build an Unusual Options Activity Scanner With Python and Free Data
    Polygon.io gives you 5 API calls/minute on the free tier. Thatโ€™s rough for options scanning since you need one call per expiration per symbol. Iโ€™d only recommend this if youโ€™re scanning fewer than 20 symbols. - Source: dev.to / 4 months ago
  • Latency Wars: The Architecture Of A Real-Time Trading Game
    The market data will be streamed from polygon.io. All trades should be handled by the Game Engine, so in the simplest form, the architecture looks like this:. - Source: dev.to / 12 months ago
  • Driving Smarter Decisions: Using Share Price APIs for Data-Driven Marketing
    Here are some valuable resources for developers exploring share price API solutions: Alpha Vantage API: A free platform offering extensive stock market data, including historical trends and real-time updates. Yahoo Finance API: A widely used service providing comprehensive financial data. Polygon.io: A robust tool for real-time market data and aggregated information across various financial markets. IEX Cloud:... - Source: dev.to / over 1 year ago
  • The use of API on a web app, considered individual or commercial use?
    I am building a web app, and I would like to use the polygon.io API on the back-end to forecast the market sentiment. The individual upgrade is $200, while business upgrade would cost $2000. Would my use of the API considered personal or commercial? Source: over 2 years ago
  • ChatGPT is going to revolutionize the stock market (with data)
    It's worth mentioning that we use polygon.io to provide market information, which has the ability to specify time frames for data. Each ChatGPT call will have the appropriate information at the time it should. We also use a temperature of 0, as we want idempotent predictions. Source: about 3 years ago
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assertpy mentions (0)

We have not tracked any mentions of assertpy yet. Tracking of assertpy recommendations started around Mar 2021.

What are some alternatives?

When comparing Polygon.io and assertpy, you can also consider the following products

Alpha Vantage - Alpha Vantage offers free APIs in JSON and CSV formats for realtime and historical stock and forex data, digital/crypto currency data and over 50 technical indicators.

grappa - grappa is an declarative, verbose, and expressive assertion library for Python.

Financial Modeling Prep - Access all stocks discounted cash flow statements, market price, stock markets news, and learn more about Financial Modeling. Learn M&A, LBO, DCF, Comps, and Financial Statement Modeling thought concrete examples

Twelve Data - The simplest and most effective way to access both realtime and historical stock, forex, cryptocurrency data, and over 100 technical indicators.

Alpaca - Open links from Slack via desktop apps: Notion, Spotify, Zoom, Miro, Telegram, Airtable, Figma and VK.

Alpaca Trading API - Simple REST API for commission-free stock trading