---
title: "Kalshi vs Polymarket — Market Compare – Chrome extension stats, history and permissions"
description: "9 users, no ratings yet. Version 1.0.2, updated 2026-04-28. Requests 11 permissions."
url: "https://extensiontracker.com/extension/ciejjjdeiciakplljjiiahifmgdmkjda"
---

# Kalshi vs Polymarket — Market Compare

Live in the Chrome Web Store.

- Users: 9
- Rating: no ratings yet
- Last checked: 2026-09-26 23:08 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #159,464 of 264,703 live extensions
- Rank in Tools: #58,745 of 103,498

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Compare prediction market prices between Kalshi and Polymarket side-by-side. Find the best price for any event instantly.

- Extension ID: `ciejjjdeiciakplljjiiahifmgdmkjda`
- Developer: [GBV](https://extensiontracker.com/developer/u69e802c7abe1ae9adb8c5e96f7a8ca8a)
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2026-04-28
- Last updated: 2026-04-28
- Version: `1.0.2`
- Size: 1.43 MiB
- Minimum Chrome: 88
- Languages (1): English
- Support page: `https://www.calc-tech.com/contact`
- Chrome Web Store: <https://chromewebstore.google.com/detail/kalshi-vs-polymarket-%E2%80%94-ma/ciejjjdeiciakplljjiiahifmgdmkjda>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fciejjjdeiciakplljjiiahifmgdmkjda>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-26 | 9 | – | – |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-26.

## What it can access

From the extension's manifest, in plain language.

### Sites

- `https://*.kalshi.com/*`: kalshi.com and its subdomains
- `https://*.polymarket.com/*`: polymarket.com and its subdomains
- `https://api.elections.kalshi.com/*`: api.elections.kalshi.com
- `https://api.gumroad.com/*`: api.gumroad.com
- `https://clob.polymarket.com/*`: clob.polymarket.com
- `https://data-api.polymarket.com/*`: data-api.polymarket.com
- `https://gamma-api.polymarket.com/*`: gamma-api.polymarket.com
- `https://kalshi.com/*`: kalshi.com
- `https://polymarket-ai-proxy.u-niv.workers.dev/*`: polymarket-ai-proxy.u-niv.workers.dev
- `https://polymarket.com/*`: polymarket.com

### Sites where it runs scripts

- `https://kalshi.com/*`: kalshi.com
- `https://polymarket.com/*`: polymarket.com
- `https://www.kalshi.com/*`: www.kalshi.com
- `https://www.polymarket.com/*`: www.polymarket.com

### Browser features

- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Fast & Anonymous Instagram Downloader](https://extensiontracker.com/extension/admleimefagoafgoglaaclinjlbgnmfa) | 467 | 2.33 | 3 | Social Networking |
| [WA Chat Export](https://extensiontracker.com/extension/bkihkkemmppahmeemokpkmjdjfgmjdib) | 339 | 5.00 | 2 | Tools |
| [NovaView](https://extensiontracker.com/extension/gkpnedgnhkkloibfigmamhgbikfbmojf) | 254 | 5.00 | 1 | Just for Fun |
| [Polymarket Sure Bet Finder](https://extensiontracker.com/extension/ikkajnakiciblmjgejjhcaecdijgekne) | 205 | 4.33 | 6 | Tools |
| [Delete Facebook Messages Fast](https://extensiontracker.com/extension/egpmpcmfnhecppbabippahlnahcjgfcb) | 188 | 3.00 | 4 | Tools |
| [Exportar Conversas WhatsApp - Salvar Histórico](https://extensiontracker.com/extension/ihbejecbhnhjekpniclamcokhodcggkm) | 166 | 5.00 | 1 | Tools |
| [Stream Saver — M3U8, HLS & MP4 Video Downloader](https://extensiontracker.com/extension/gljchchiglclejlofdmgmdhkcfalacmd) | 165 | 5.00 | 1 | Tools |
| [Exportar Chat WhatsApp](https://extensiontracker.com/extension/midmdmeiddmopdbfacbailhlafkfcdoa) | 115 | 5.00 | 1 | Tools |
| [Polymarket Whale Tracker](https://extensiontracker.com/extension/onhhaghaecempnnodenjjlhkobgpkkfj) | 109 | 5.00 | 1 | Tools |
| [Kalshi Sure Bet Finder](https://extensiontracker.com/extension/klicclmcefmekpiijdhiepljggdjnmde) | 101 | – | – | Tools |

All 20 extensions by [GBV](https://extensiontracker.com/developer/u69e802c7abe1ae9adb8c5e96f7a8ca8a).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-09-26 23:08 UTC; next check around 2026-10-07.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “Kalshi vs Polymarket — Market Compare” (ciejjjdeiciakplljjiiahifmgdmkjda). Chrome Web Store data, last checked 2026-09-26. https://extensiontracker.com/extension/ciejjjdeiciakplljjiiahifmgdmkjda. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_ciejjjdeiciakplljjiiahifmgdmkjda,
  title   = {Kalshi vs Polymarket — Market Compare (ciejjjdeiciakplljjiiahifmgdmkjda)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-26},
  url     = {https://extensiontracker.com/extension/ciejjjdeiciakplljjiiahifmgdmkjda},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/ciejjjdeiciakplljjiiahifmgdmkjda>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.