AmiBroker vs Composer (2026)
AmiBroker (windows desktop platform for high-speed portfolio backtesting in the afl language) and Composer (no-code platform for building, backtesting, and auto-trading rules-based strategies) solve backtesting differently. The table below compares them on verified specs and pricing; full details are in each review.
Side by side
| AmiBroker | Composer | |
|---|---|---|
| Overall score | 7.8 / 10 | 6.2 / 10 |
| Engine type | hybrid | visual/no-code |
| Pricing model | one-time | freemium |
| Free tier | Yes | Yes |
| Entry price | $0 | $0 |
| Languages | AFL (AmiBroker Formula Language), C++ (plugin ADK), JScript/VBScript (OLE automation) | No-code visual editor, Natural language (AI strategy generation), Composer API / MCP (language-agnostic, symphonies as structured scores) |
| Asset classes | stocks, ETFs, futures, forex, mutual funds, crypto (via imported data) | US stocks, ETFs, Crypto (state-eligible, via Alpaca Crypto), Options (covered calls & cash-secured puts, launched Dec 2025) |
| Bundled data | No market data is bundled. The AmiQuote companion app (included in the Ultimate Pack, $99 standalone) downloads free EOD data from Yahoo Finance and Stooq, plus limited free intraday from Barchart OnDemand. Paid sources (Tiingo, eSignal, IQFeed, Norgate, Interactive Brokers) plug in when you need higher quality. | Bundled daily adjusted-close history for US stocks/ETFs (split/dividend adjusted) plus crypto; no separate data subscription or fees; historical depth varies by symbol and is not officially documented |
| Finest resolution | tick (Professional edition, with a tick-capable feed such as eSignal or Interactive Brokers); Standard edition is limited to minute bars | Daily. Backtests run on daily adjusted closing prices only; live strategies execute in a daily trade window with real-time quotes |
| Live trading | Yes | Yes |
| Options support | No | Yes |
| Open source | No | No |
AmiBroker
Windows desktop platform for high-speed portfolio backtesting in the AFL language
Composer
No-code platform for building, backtesting, and auto-trading rules-based strategies
Frequently asked questions
Is AmiBroker better than Composer?+
They target different users. AmiBroker: systematic eod and swing traders on windows who want the fastest affordable portfolio-level backtesting and optimization, own their data pipeline, and don't need turnkey live execution or options modeling. Composer: hands-off retail investors automating daily-rebalanced etf/stock rotation strategies without code. not for intraday traders or research-grade quants. Our scores: AmiBroker 7.8/10, Composer 6.2/10.
Which is cheaper, AmiBroker or Composer?+
AmiBroker entry pricing: $0 (one-time). Composer: $0 (freemium). See each review for full verified pricing tables.
Educational content only, not investment advice. Specs and prices come from each platform's official pages; see the individual reviews for sources and last-verified dates.