IronPython
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Tapeboard
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Tapeboard is a professional-grade market terminal that runs entirely in your browser — no install, free to start. It consolidates 14 modules into one tab: a real-time stock scanner (gap-ups, unusual volume, premarket movers, plus custom screens you build in plain English), advanced charting with 44 indicators (RSI, MACD, Bollinger Bands, volume profile), SEC EDGAR filing search (10-K/10-Q/8-K), Form 4 insider-transaction tracking, a daily short-squeeze leaderboard scored on FINRA short interest + IBKR borrow fees + float utilization + days-to-cover + momentum, options flow and gamma exposure, 800K+ economic data series, crypto, a free trade journal with analytics, and a realistic paper-trading simulator. Built for retail traders who want a Bloomberg-terminal experience without the Bloomberg price.
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Tapeboard's answer:
Tapeboard combines a real-time stock scanner, full charting suite, SEC filings analysis, short-squeeze detection, and paper trading into one workspace — built for the speed at which day traders actually operate. Most competing tools force you to tab between a screener, a chart, and a filings reader. Tapeboard surfaces all of those on one screen: you see what's moving, why it's moving (dilution, shelf registrations, short interest, news), and can execute in a paper-trading simulator without leaving the page.
Tapeboard's answer:
Tapeboard's scanner runs 9–12 presets simultaneously in a grid view (pre-market gap-ups, top gainers, unusual volume, short-squeeze setups, penny runners, power-hour surges). The short-squeeze leaderboard — backed by live SEC short-interest data, days-to-cover, and fee rates — is something that normally requires a paid Bloomberg or Ortex terminal. Tapeboard offers it free, alongside integrated level-2 montage, time & sales, depth charts, and AI research that can break down any stock in plain English. The natural-language custom scanner lets you describe what you want in plain English ("US stocks below $5, rvol 200%, float below 15M") and it builds the scan for you.
Tapeboard's answer:
Active retail day traders and swing traders who need real-time market scanning, short-squeeze setups, and fast access to SEC filings — but don't want to pay $100–$300/month for a Bloomberg, Trade The Screen, or Benzinga Pro terminal. The product is built for people who trade penny stocks, low-float runners, and high-momentum names where seconds matter.
Tapeboard's answer:
Tapeboard was built by a former Webull power user who was frustrated that no single platform combined real-time scanning, charting, SEC filings, and short-squeeze intelligence without gating each feature behind an expensive upsell. The goal was to build the tool he wished existed: one screen where you can see what's moving, dig into why (dilution risk, short interest, shelf registrations), paper-trade it, and catch the next short squeeze — all without paying Bloomberg prices.
Tapeboard's answer:
Tapeboard currently serves individual retail day traders and small trading groups. The platform is in an early growth stage with a growing base of active free-tier users and a small but engaged group of Pro subscribers ($39/month). The product is particularly popular among traders who discovered it via StockTwits, Google search, and AI engines like ChatGPT and Perplexity recommending it as a free stock scanner.
Based on our record, IronPython seems to be more popular. It has been mentiond 18 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.
I think of IronPython and IronRuby and IronScheme, early attempts at Microsoft trying to combine cornmeal with .NET and open source and calling it a burrito.- Source: Hacker News / over 1 year agohttps://ironpython.net/.
If you're interested in learning more about the challenges and tradeoffs, both Jython (https://www.jython.org/) and IronPython (https://ironpython.net/) have been around for a long time and there's a lot of reading material on that subject. - Source: Hacker News / over 2 years ago
There are several ways of bypassing the GIL. First of all, the GIL is only present in the C implementation of Python, CPython. Other implementations of Python like Jython, IronPython, and PyPy don't have the GIL. Additionally, Python provides the multiprocessing library, which allows for parallelism in your Python program. - Source: dev.to / almost 3 years ago
I am not set on .NET, but just curious, so thanks for the suggestions. Interesting that it's billed as cross-plaform, but doesn't do it that well. I just searched 'python wrapper for .net' and found PythonNET. Also, it seems yes IronPython is active. Source: over 3 years ago
There are quite a lot of ways to run scripting languages in C#. I've no idea what JSR223 is but .NET has DLR for example. There are also multiple libraries: IronPython, NLua, Jint and Jurassic for Javascript. There's also older version of CS-Script working with .NET Framework. Source: over 3 years ago
C++ - Has imperative, object-oriented and generic programming features, while also providing the facilities for low level memory manipulation
TradingView - The best charting tool for crypto and stocks
Go Programming Language - Go, also called golang, is a programming language initially developed at Google in 2007 by Robert...
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Perl - Highly capable, feature-rich programming language with over 26 years of development
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