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r/algorithmictrading↗

Algorithmic Trading

A technical subreddit where developers can discuss the nuts and bolts of algorithmic trading systems, exchange ideas, techniques, brainstorm, offer feedback, etc. Post your backtest results/equity curves, links to academic papers, and other relevant, high quality technical content. PLEASE REVIEW COMMUNITY RULES BEFORE POSTING. They are strictly enforced, violators banned. To post, your account age>90d and karma>30.

31k subscribers140 posts / mo in Sep 2026120 authors / mosince 2011

r/algorithmictrading has 31k members (+79% over the last 12 months). It gets about 140 posts a month from 120 people. Top topics: Algorithmic Trading, Backtesting Strategies and Trading Strategies & Indicators.

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Size and growth

How r/algorithmictrading has grown

r/algorithmictrading

Subscriber growth

Subscribers over time

+79%in 12 months · +12% in 3 months · +4.4% in 1 month
Oct 202630k
Growing30k subscribers
Data since Mar 2018Live · through Oct 2026
r/algorithmictrading

Monthly activity

Posts, comments and authors per month

−11%vs Sep 2025 · −18% last 3 months vs the 3 before
Sep 2026140
QuieterPeaked at 288 in Jun 2026
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/algorithmictrading

Top topics

Share of the subreddit's posts

  1. Algorithmic Trading30%
  2. Backtesting Strategies12%
  3. Trading Strategies & Indicators5.5%
  4. Trading Bots4.5%
  5. Quantitative Finance Trading Interviews2.4%

The full report

Everything else about r/algorithmictrading

Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.

Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research