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LONA

Trading strategy backtests, optimizations and performance reports.

Install You sign in on LONA's own page. No key to copy.

What GBrain can do with LONA

LONA is a platform for building and testing algorithmic trading strategies on dividend- and split-adjusted market data. Connected to a workspace, GBrain can answer “how did the moving-average crossover do on AAPL since 2020, and which settings held up?”, sweep a strategy’s parameters, or pull the trades behind a report.

Signing in happens on LONA’s own page. Backtests and optimizations draw on the credits of the LONA account that signed in.

  • Write and save Python trading strategies
  • Backtest strategies on equities, ETFs, FX and crypto data
  • Run parameter optimizations and read the results
  • Read performance reports and the trades behind them

From the command line

GBrain gives LONA a command line too. From a terminal, a script or Claude Code, gbrainio tool help lona lists its commands once it is connected.

LONA from the command line

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Install LONA in a workspace

You sign in on LONA's own page. No key to copy. Then add it to a workspace, and anyone on the team can ask about it in plain words.

Install LONA Every connector