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Live eBay Pokémon listings worth grading, centering checked

Pandas
NumPy
Seaborn
D3.js
Plotly
GnuPlot
Jupyter
matplotlib is a python 2D plotting library which produces publication quality figures in a variety...
Which is more popular?
Based on our record, Matplotlib seems to be more popular. It has been mentioned 114 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | cardhunt.io | matplotlib.org |
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| Platforms | — | |
| Company | Startup from the Netherlands | — |
| Listed in |
In their own words, as submitted to SaaSHub.


CardHunt scans eBay for Pokémon cards with a lot of PSA 10 upside, checks that each listing is still for sale and estimates the centering from the photos before you click. Behind it is the PSA population report plus recent sales prices, so every find shows the chance of a PSA 10, 9 or 8 and the...
No description of Matplotlib yet.
What each product offers, as listed by its team.


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


No analysis of CardHunt yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Check your bulk: 5 cheap Pokémon cards that can grade into $250+
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Learn Matplotlib in 6 minutes | Matplotlib Python Tutorial
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CardHunt and Matplotlib.
CardHunt's answer
CardHunt scans eBay for Pokémon cards with PSA 10 upside, checks that each listing is still for sale, and estimates the centering from the listing photos before you click. Every find shows the chance of a PSA 10 (from the PSA population report) and the expected profit after grading, shipping and selling fees, and it flags the traps: cards that look like a big win on paper but lose money on average.
CardHunt's answer
Most tools show either a price or a PSA population count. CardHunt combines both with live eBay listings: the chance of a PSA 10, the expected profit after grading, shipping and selling fees, a centering estimate from the photos, and the total cost including shipping and import to your country, so you can decide before you buy. These are estimates, not guarantees: the PSA population report only counts cards people chose to submit, and centering is an estimate from photos, not a grade.
CardHunt's answer
Pokémon card collectors and flippers who buy raw cards on eBay to send to PSA, and want to know which listings are actually worth grading before they spend money on the card and the grading fee.
CardHunt's answer
CardHunt is built solo by Stefan in the Netherlands. Judging a raw Pokémon card for grading is hard because you need the price, the PSA population data and the card's condition at the same time, and the good listings sell fast. CardHunt does that math for every eBay listing, checks that it is still for sale and estimates the centering from the photos, so you only spend your time on cards that can actually pay off.
CardHunt's answer
Next.js and React with TypeScript on the frontend (hosted on Vercel), a Python FastAPI backend (hosted on Railway), PostgreSQL on Supabase, Clerk for sign-in, the eBay APIs for live listings, and computer vision to estimate centering from listing photos. Prices and PSA population data come from third-party data providers.
Share your experience with using CardHunt and Matplotlib. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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Matplotlib is a widely used tool for data visualization in Python. It provides an object-oriented API for embedding plots into applications.
You can use this library for multiple purposes such as generating plots, bar charts, histograms, power spectra, stemplots, pie charts, and more. The best thing about Matplotlib is you just have to write a few lines of...
Matplotlib is an open source Python plotting library that's used to read, import and visualize data in analytics applications. Data scientists and other users can create static, animated and interactive data...
Recommendations tracked on public social media and blogs since March 2021.


Tracking CardHunt since Oct 2026.
In February, an AI agent named MJ Rathbun submitted a pull request to matplotlib — the Python plotting library used by half the scientific computing world. Scott Shambaugh, a volunteer maintainer, rejected it. Standard code review.... - Source: dev.to / 8 months ago
Numbers are useful, but sometimes it’s easier to spot patterns when you can actually see your data. Pandas works seamlessly with Matplotlib, a popular Python library for creating visualizations. Together, they make it easy to turn raw... - Source: dev.to / 11 months ago
We are storing the results in JSON files, which we combine, analyze and visualize using matplotlib in Python. Here's the structure of a benchmark result file:. - Source: dev.to / 12 months ago
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