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 backtesting, api, looking for a data source, looking for a programmer, and looking for a mentor, 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
: "Affordable news API for BTC/ETH: any firsthand recommendations?"
3 posts
#2
Advice Requests
: "Getting correct dividend ex-dates from SEC EDGAR for my own adjusted daily prices: am I missing a better free source?"
2 posts
#3
Ideas
: "I built a bot to track and copy succesful Polymarket wallets (similar to Unusual Whales/Autopilot, my favorite app of all time). Here's the code, help me improve it!"
1 post
Popular Topics in r/algotrading
#1
Backtesting
4 posts
#2
Api
4 posts
#3
Looking For A Data Source
2 posts
#4
Looking For A Programmer
2 posts
#5
Looking For A Mentor
2 posts
#6
Looking For A Good Api
2 posts
#7
Struggling With Finding Data
2 posts
#8
Historical Data
2 posts
#9
Market Data
2 posts
#10
Crypto Trading
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
: "lowering the barrier to build trading bots does not magically give you an edge"
23 posts
#2
Data
: "Spent way too long building a financial database, now I don't know what to do with it"
15 posts
#3
Other/Meta
: "there is no alpha on any big markets"
8 posts
#4
Infrastructure
: "Built a custom Rust HFT engine (2.66 Sharpe). How do I properly stress-test profitability before scaling?"
6 posts
#5
Education
: "Is monte carlo just noise?"
4 posts
#6
Business
: "How would you approach trading firms with a proprietary market model?"
2 posts
#7
Career
: "I lost all my money, that is all"
1 post
Member Growth in r/algotrading
Yearly
+84k members(4.6%)
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Last updated: November 5, 2026