Trading strategy builder: from sentence to testable rule
Type "buy SPY when RSI drops under 30, sell when it recovers past 55" and AgentTrading builds the structured rule, shows you every parameter it chose, and tests it on 20+ years of history.
- 1 THESIS
- 2 EVIDENCE
- 3 BACKTEST
- 4 RISK
- 5 VERDICT
02 EVIDENCE · FUNDAMENTALS
04 RISK · IN PLAIN ENGLISH
Sample scenarios, not a live backtest of what you typed. Past performance does not guarantee future results. Educational analysis only, not financial advice.
In short
A trading strategy builder turns an idea into a rule precise enough to test, and AgentTrading does it from a sentence instead of a code editor. Type "buy SPY when RSI drops under 30, sell when it recovers past 55" and the builder produces a structured rule card, Entry: RSI(14) < 30, Exit: RSI(14) > 55, that you confirm or edit before it runs; if the assistant misread you, you see it immediately in the restated rule. There is no Pine Script and no block diagram: Composer makes you assemble logic blocks, TrendSpider ($59 to $349 per month) assumes indicator fluency, and coding a backtest by hand costs most people a weekend. Every built rule carries its assumptions with it: date range, parameters, and a 0.1% cost per trade assumed by default, adjustable on Pro. Once built, the rule tests on 20+ years of split- and dividend-adjusted daily data and receives an honest verdict, including UNDERPERFORMED when buy-and-hold wins. Plans start at $19 a month. AgentTrading builds and tests rules for educational analysis only; it never executes trades or tells you what to buy.
Past performance does not guarantee future results. For educational and informational purposes only. Not financial advice. Consult a licensed advisor.
WHAT YOU GET - STRATEGY BUILDER
Strategy builder, run on the bench
A sentence is the whole interface
Type the idea the way you would tell a colleague. The builder extracts entry, exit, and parameters into a structured rule card you confirm before anything runs.
No blocks, no scripts
Composer wants logic blocks and TrendSpider assumes indicator fluency. Here the only syntax is English, and the restated rule card is your safety check.
Parameters stay visible and editable
RSI period, moving-average lengths, rebalance frequency: every parameter the builder chose is printed on the card and adjustable before the test.
Built to be tested, not admired
Every rule flows straight into a 20-year backtest with a 0.1% default cost per trade and an honest verdict, including UNDERPERFORMED when the sentence was wrong.
HOW IT WORKS - 4 STEPS
From a sentence to a stamped verdict
Say the strategy
"Buy SPY when RSI drops under 30, sell when it recovers past 55" is a complete specification here.
Check the rule card
The builder shows Entry: RSI(14) < 30, Exit: RSI(14) > 55, plus every default it filled in. Change anything before running.
Backtest it immediately
The built rule runs on 20+ years of split- and dividend-adjusted daily data with the assumptions strip printed under the chart.
Iterate in plain English
Tighten the exit, add a filter, rerun. Each variant logs its own assumptions so you can compare runs honestly.
Past performance does not guarantee future results. For educational and informational purposes only. Not financial advice. Consult a licensed advisor.
On the same bench
Built rules go straight to the trading strategy tester for 20+ years of history, and option structures get the same treatment on options backtesting. The RSI example above has its own bench station on RSI backtest, with the trend equivalent on moving average crossover backtest. Allocation ideas work too, covered on ETF backtesting, and plans starting at $19 per month include the builder on every tier.
QUESTIONS - ASKED AND ANSWERED
Strategy builder: the common questions
What is a trading strategy builder?
A trading strategy builder turns an idea into a rule precise enough to test. AgentTrading does it from a sentence: type "buy SPY when RSI drops under 30, sell when it recovers past 55" and it produces a structured rule card you confirm or edit before it runs on 20+ years of history.
Can I build a trading strategy without coding?
Yes. The whole interface is plain English. You describe the idea the way you would tell a colleague, and the builder extracts entry, exit, and parameters into a rule card you can edit. There is no Pine Script and no block diagram, and every tier includes the builder from $19 per month.
How do you build a trading strategy?
State a clear entry and exit, pick your parameters, and test the rule on clean history before trusting it. AgentTrading writes the structured rule from your sentence, prints every parameter it chose (RSI period, moving-average lengths), and runs it on 20+ years of adjusted daily data at 0.1% cost per trade.
Do you need to know how to code to build a strategy?
No. Composer wants logic blocks and some charting tools assume indicator fluency, but here the only syntax is English. The restated rule card is your safety check: if the assistant misread you, you see it immediately and rephrase. AgentTrading builds and tests rules for educational analysis only.
Past performance does not guarantee future results. For educational and informational purposes only. Not financial advice. Consult a licensed advisor.
Your next idea deserves a verdict, not a hunch.
Bring a thesis or a ticker. AgentTrading restates the rule, shows the evidence, runs 20+ years of history, and stamps an honest verdict. You decide.
Past performance does not guarantee future results. For educational and informational purposes only. Not financial advice. Consult a licensed advisor.