Prediction market bots on Reddit
Prediction market bots on Reddit are discussed mostly in r/Kalshi, r/algotrading, r/PredictionsMarkets and a few builder subreddits. This page collects 13 public threads about Kalshi and Polymarket bots, grouped by topic, and links the open-source bots in our directory.
The short answer: Reddit is most useful for API troubleshooting (authentication errors, order fields, under-documented parameters) and for build logs of weather and arbitrage bots. It is also where users have reported GitHub copy-trading bots that leak private keys, so read the security thread before running any repo. We confirmed each thread exists on Oct 17, 2026; we haven't checked the claims in them.
Last updated .
Kalshi API and bot help
- Getting Started With the API - Authenticated Requests - getaddrinfo failed ↗ r/Kalshi
- Is the Kalshi API Bugged… or Am I Just Doing Something Dumb? ↗ r/Kalshi
- API documentation ↗ r/Kalshi
- api bot ↗ r/Kalshi
Python clients
Polymarket bots
- Polymarket trading bot - exploiting market inefficiencies to make arbitrage trades ↗ r/SideProject
- I built an automated trading bot for Polymarket using Kelly Criterion + Bayesian Ensemble — open source ↗ r/ai_trading
Kalshi weather bots
- An actual realistic non-click bait Kalshi (Weather) Trading Automation ↗ r/Kalshi
- Shipped v2.0 of my Kalshi prediction market bot: 4-ensemble weather system + inflation signal stack ↗ r/algotrading
- Shipped v2.2 of my Kalshi weather and inflation bot ↗ r/algotrading
- Kalshi Weather bets at the Linux CLI. 10 Models. ↗ r/PredictionsMarkets
Lists of free repos
- 11 free GitHub repos for PredictionMarket trading ↗ r/PredictionsMarkets
Security warnings
Know a useful public thread? Send it in.
Listed projects compared (8)
From this directory. GitHub stars and update dates as of Oct 23, 2026.
| Project | Platforms | Tools | Difficulty | GitHub stars | Repo updated |
|---|---|---|---|---|---|
| Polymarket Agents framework | Polymarket | Python, LLMs | intermediate | 3,801 | Nov 5, 2024 |
| CloddsBot autonomous trading agent | Kalshi & Polymarket | TypeScript, LLMs | advanced | 2,969 | Oct 2, 2026 |
| Weather temperature market bot | Kalshi & Polymarket | Python, weather forecasts | intermediate | 780 | Mar 2, 2026 |
| Kalshi AI trading toolkit | Kalshi | Python, LLMs | intermediate | 618 | Oct 13, 2026 |
| Rust copy-trading toolkit | Kalshi & Polymarket | Rust | intermediate | 480 | Sep 7, 2026 |
| Rust Polymarket–Kalshi arbitrage engine | Kalshi & Polymarket | Rust | advanced | 445 | Dec 21, 2025 |
| Simple Kalshi market maker | Kalshi | Python, Kalshi API | advanced | 417 | Apr 14, 2026 |
| AI-native Kalshi research CLI | Kalshi | TypeScript, LLMs | intermediate | 396 | Oct 1, 2026 |
FAQ
Where do people discuss Kalshi bots on Reddit?
Mostly in r/Kalshi (API help) and r/algotrading (build logs). The threads above are grouped by topic.
Where do people discuss Polymarket bots on Reddit?
In r/PredictionsMarkets, r/ai_trading, r/SideProject and r/algotrading, among others. See the Polymarket and security sections.
Are the bots shared on Reddit safe?
Not automatically. One thread above warns that some Polymarket copy-trading scripts on GitHub leak private keys. Read the code first.
Do the Reddit bots really make money?
We haven't checked any results posted in these threads. Treat them as self-reported.
Not financial advice. Listing is not an endorsement, and we have not checked any profit claims. Read the code before you give any tool an API key or wallet key.
Related: Kalshi trading bots · Polymarket trading bots · Polymarket copy trading · Arbitrage bots · Kalshi weather bots · All 66 projects
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