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💬 Reddit Posts

Public discussions about AI and algorithmic trading. Useful for how people actually build and doubt systems, not for trade ideas.

These are educational links to public discussions. They are not advice from us, and linking a post or community is not an endorsement of any strategy, author, or of Reddit. Score and comment counts were checked on October 3, 2026 and will go stale. Return claims in post titles are unverified and are not guaranteed.

LLMs, agents, and AI-assisted bot building

How people use models and agents while building bots. Score and comment counts were checked on October 3, 2026 and will go stale.

Coming from AI engineering, want to build my own trading bot

r/algotrading · 2026-08-27

Score 15 · 41 comments

Checked October 3, 2026. These counts will go stale.

Beginners with AI or engineering skills get advice on separating LLM research from deterministic execution, and on look-ahead and cost traps.

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Im currently building a trading bot farm using Claude Opus 4.8, and i need some advice...

r/algotrading · 2026-08-10

Score 19 · 67 comments

Checked October 3, 2026. These counts will go stale.

A promote/reject pipeline (out of sample, regimes, costs, sealed holdout) when using LLMs to farm strategies.

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Anyone using Claude Code for trading bot development?

r/algorithmictrading · 2026-04-05

Score 2 · 25 comments

Checked October 3, 2026. These counts will go stale.

LLMs for code and architecture, not signals, plus warnings about backtest bias and auditing generated code.

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Trading Bot Built W Claude

r/ai_trading · 2026-07-16

Score 236 · 149 comments

Checked October 3, 2026. These counts will go stale.

Automation without an edge, and replies stressing real backtests versus letting an LLM invent results.

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Building an AI trading bot: How do you even start?

r/ai_trading · 2026-08-21

Score 26 · 56 comments

Checked October 3, 2026. These counts will go stale.

An entry-level roadmap for scoping a first bot without jumping to live trading.

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We gave Claude, Gemini, and ChatGPT money and financial data to trade stocks/ETFs. In 473 days, Claude is beating the market by 27.74%, outperforming Gemini by 14.7% and ChatGPT by 31.08%

r/Anthropic · 2026-02-07

Score 401 · 66 comments

Checked October 3, 2026. These counts will go stale.

A high-visibility LLM portfolio experiment. Useful for what those results do and do not prove. The returns in the title are not verified.

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I'm benchmarking 10 LLMs (including DeepSeek, Llama, Qwen) on real-time options trading — local models are surprisingly competitive

r/LocalLLaMA · 2026-03-07

Score 24 · 46 comments

Checked October 3, 2026. These counts will go stale.

Local versus API models on options-related trading tasks.

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Backtesting, overfitting, slippage, and live validation

How people check a backtest before trusting it with capital. Score and comment counts were checked on October 3, 2026 and will go stale.

How do you validate a backtest what's your process?

r/algotrading · 2026-03-19

Score 8 · 25 comments

Checked October 3, 2026. These counts will go stale.

Walk-forward, holdouts, and regime checks.

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What's the biggest reason you DON'T trust your backtests?

r/algotrading · 2026-07-03

Score 0 · 43 comments

Checked October 3, 2026. These counts will go stale.

Look-ahead, costs, and regime failure.

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How do you model slippage realistically in a backtest?

r/algotrading · 2026-06-01

Score 13 · 49 comments

Checked October 3, 2026. These counts will go stale.

Slippage and cost modeling between a backtest and live fills.

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Problem with overfitting

r/algotrading · 2026-05-08

Score 42 · 61 comments

Checked October 3, 2026. These counts will go stale.

Overfitting when tuning strategies.

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Building a trading bot that may eventually graduate to live trading—looking for criticism of my validation process

r/ai_trading · 2026-08-12

Score 3 · 7 comments

Checked October 3, 2026. These counts will go stale.

Staged gates: walk-forward, regimes, paper trading, kill switches.

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is it even possible to code an profitable bot

r/algorithmictrading · 2025-12-23

Score 16 · 24 comments

Checked October 3, 2026. These counts will go stale.

Systems versus strategies, friction, and why public set-and-forget bots fail.

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Paper 2 Live (What mistakes did your trading bot make that you didn’t expect?)

r/algotrading · 2026-08-12

Score 14 · 50 comments

Checked October 3, 2026. These counts will go stale.

Fills, APIs, and latency when paper diverges from live.

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How long to forward test on a paper account before going live?

r/algotrading · 2026-07-31

Score 21 · 34 comments

Checked October 3, 2026. These counts will go stale.

How long to paper trade before risking capital.

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For the algotraders who have live deployment of their algorithms and are successful: how long did it take you to set this up? What led you to have confidence to deploy on live real account?

r/algotrading · 2026-04-03

Score 105 · 96 comments

Checked October 3, 2026. These counts will go stale.

Timelines and what made people confident enough to go live.

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Broker APIs, data, and stacks

Brokers, market data, and the tooling around a bot. Score and comment counts were checked on October 3, 2026 and will go stale.

Interactive Brokers is a great brokerage, but their APIs are terrible.

r/algotrading · 2025-06-09

Score 112 · 87 comments

Checked October 3, 2026. These counts will go stale.

API pain points and workarounds.

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Is Alpaca Markets worth it? — Give your opinion:

r/algotrading · 2025-09-04

Score 25 · 28 comments

Checked October 3, 2026. These counts will go stale.

Pros and cons of Alpaca for automation versus Interactive Brokers.

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Checklist before going live with your strategy?

r/algotrading · 2026-05-22

Score 12 · 20 comments

Checked October 3, 2026. These counts will go stale.

A pre-live checklist.

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Build your own trading bot / platform

r/algotrading · 2025-12-29

Score 41 · 83 comments

Checked October 3, 2026. These counts will go stale.

Building a bot and the platform around it.

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Tool/Platform Recommendation for someone with Python/Tensorflow background

r/algotrading · 2026-06-24

Score 3 · 24 comments

Checked October 3, 2026. These counts will go stale.

Stack recommendations for someone who already knows Python and TensorFlow.

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What is your data provider?

r/algotrading · 2025-01-15

Score 65 · 90 comments

Checked October 3, 2026. These counts will go stale.

What people actually pay for market data.

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Data source questionn

r/algotrading · 2026-02-06

Score 3 · 19 comments

Checked October 3, 2026. These counts will go stale.

A shorter follow-up on data sources.

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Communities

Subreddits where these kinds of discussions happen. Weekly active user figures were checked on October 3, 2026 and will go stale.

92,280 weekly active users

Quantitative trading, stats, econometrics, programming, automated strategies, and constructive critique.

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r/algorithmictrading

3,593 weekly active users

Strict technical sub for systems, backtests, and papers, with heavy anti-spam rules.

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105,378 weekly active users

A subreddit for quantitative analysts.

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About 45 weekly active users

QuantConnect community. Activity is very low.

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1,669 weekly active users

Algo trading with a machine-learning focus.

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371,900 weekly active users

Broader retail day trading. Filter for algo and AI threads.

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74,762 weekly active users

Exchange-traded options, Greeks, and strategies.

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861,581 weekly active users

Local and hostable AI, not trading-focused. Only useful here for trading-related posts.

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r/algotradingcrypto

5,805 weekly active users

Crypto algo trading: techniques, data, backtesting, ML, and code.

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37,578 weekly active users

Algo and AI trading discussion.

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