r/algotrading is a subreddit with 1.9M members. The most common kinds of discussions are solution requests and advice requests, and the community frequently discusses strategy, trading, backtesting, api, and algorithmic trading, and they frequently recommend/review trading book and stock screener.
A place for redditors to discuss quantitative trading, statistical methods, econometrics, programming, implementation, automated strategies, and bounce ideas off each other for constructive criticism. Feel free to submit papers/links of things you find interesting.
Popular Themes in r/algotrading
#1
Solution Requests
: "Free or near-free market data APIs — what are you using?"
3 posts
#2
Advice Requests
: "Please rate my setup."
2 posts
#3
Pain & Anger
: "What's the worst operational (not strategy) failure you've had running algos?"
1 post
#4
Self-Promotion
: "I built a AI trading strategy builder and Algo Platform."
1 post
Popular Topics in r/algotrading
#1
Strategy
: "Correlation Strategy, what is your opinion?"
7 posts
#2
Trading
: "I built a AI Trading strategy builder and Algo Platform."
5 posts
#3
Backtesting
4 posts
#4
Api
4 posts
#5
Algorithmic Trading
3 posts
#6
Looking For A Data Source
2 posts
#7
Looking For A Programmer
2 posts
#8
Looking For A Mentor
2 posts
#9
Looking For A Good Api
2 posts
#10
Struggling With Finding Data
2 posts
Products Discussed in r/algotrading
Trading Book
12 reviews
#1
Rob Carver
3.0★ from 2 reviews
#2
Ernie Chan
1.0★ from 1 review
#3
Sinclair
4.0★ from 1 review
Stock Screener
2 reviews
#1
TradingView
5.0★ from 1 review
#2
Finbox
4.0★ from 1 review
Flair Used in r/algotrading
#1
Strategy
: "I made a bot that spots "risk-free" arbitrage between Kalshi and Polymarket. Here's the code."
20 posts
#2
Data
: "Free or near-free market data APIs — what are you using?"
14 posts
#3
Other/Meta
: "Do you build your own dashboards / panels?"
9 posts
#4
Infrastructure
: "Tell me if this is realistic"
6 posts
#5
Education
: "Breakeven yes o not?"
4 posts
#6
Business
: "What was your worst day algo trading like?"
4 posts
#7
Research Papers
: "Starting tomorrow with $5,000. Time to see if the backtest holds up live."
1 post
#8
News
: "Mantic just raised $25M seed after beating every human forecaster in the latest Metaculus Cup. (ex Google Deepmind Founder)"
1 post
Member Growth in r/algotrading
Yearly
+86k members(4.7%)
Similar Subreddits to r/algotrading
r/algotradingcrypto
15k members
134.4% / yr
r/daytrade
23k members
209.7% / yr
r/FuturesTrading
204k members
31.9% / yr
r/investing
3.5M members
10.7% / yr
r/investing_discussion
114k members
26.3% / yr
r/options
1.4M members
8.0% / yr
r/StockMarketChat
20k members
84.4% / yr
r/swingtrading
182k members
32.0% / yr
r/wallstreetbets
20.4M members
4.2% / yr
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/algotrading, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: October 1, 2026