r/algotrading is a subreddit with 1.9M members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses trading, backtesting, api, data, and brokerage, 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
Advice Requests
: "Book recommendations?"
14 posts
#2
Solution Requests
: "I built an XGBoost model for orange juice futures using weather data and more. help me improve it :)"
6 posts
#3
Pain & Anger
: "Quite fed up with the piece of garbage called IB api"
1 post
Popular Topics in r/algotrading
#1
Trading
: "Coming from AI engineering, want to build my own Trading bot"
11 posts
#2
Backtesting
4 posts
#3
Api
4 posts
#4
Data
: "Spent way too long building a financial Database, now I don't know what to do with it"
4 posts
#5
Brokerage
3 posts
#6
Algorithmic Trading
3 posts
#7
Backtest
3 posts
#8
Strategy
: "what does a Strategy have to clear before you size into it for real"
3 posts
#9
Crypto
: "How do you currently scan the Crypto market for trading setups?"
3 posts
#10
Looking For A Data Source
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
Data
: "Thank you algotrading!"
67 posts
#2
Strategy
: "August P&L Fully Automated"
50 posts
#3
Infrastructure
: "Where do you backtest your strategies"
25 posts
#4
Other/Meta
: "This sub is unusable"
21 posts
#5
Education
: "Before you start any strategy development you should know this: an edge is a reason someone pays you"
16 posts
#6
Business
: "How do you report taxes when you have 200K+ trades?"
2 posts
#7
Research Papers
: "Estimating current short interest from daily FINRA short volume"
2 posts
#8
Career
: "Profitable Algo traders, are you here?"
1 post
Member Growth in r/algotrading
Yearly
+82k members(4.5%)
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About
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Last updated: September 10, 2026