TrendSpider Review: Automating Bad TA
TrendSpider is a charting platform that uses algorithms to automatically draw trendlines, identify Fibonacci levels, and recognize candlestick patterns. It also features a robust backtesting engine and dynamic price alerts.
Unlike Danelfin, which tells you what to buy, TrendSpider is a toolset. It helps you automate your strategy.
The Core Feature: Automated Technical Analysis
When you pull up a chart on TrendSpider, you can click a single button to have the system draw the mathematically most relevant trendlines.
The Problem with Automated TA
Technical Analysis (TA) works primarily because of self-fulfilling prophecies. If a million humans draw a line at $100 and buy when the price hits it, the price bounces.
If TrendSpider's algorithm draws a mathematically perfect trendline at $98.42 that no human is looking at, the market will ignore it. Automating TA often misses the psychological levels that actually drive price action.
The Strategy Tester
TrendSpider's best feature is its Strategy Tester. You can build a strategy without code and instantly see how it performed over the last 5 years.
Pros of the Strategy Tester: * No-Code Interface: Incredibly intuitive for retail traders. * Price Behavior Explorer: Shows you the distribution of returns after a specific event happens (e.g., "What happens 90% of the time after a bullish engulfing candle?").
Cons of the Strategy Tester: * Slippage Reality: The backtester assumes perfect fills at the closing price. In reality, slippage will destroy many of the high-frequency strategies you backtest here. Check out our Overfitting Guide for more.
Pricing
| Tier | Price | Verdict |
|---|---|---|
| Essential | $39/mo | Good for casual swing traders who just want automated charts and basic alerts. |
| Elite | $79/mo | The standard tier. Includes the backtester and multi-factor alerts. |
| Advanced | $129/mo | Overkill unless you are running massive automated bot farms via webhooks. |
Final Verdict
TrendSpider is excellent software. It is fast, innovative, and visually stunning. However, automating a losing strategy just means you lose money faster. Track our Model Portfolio to see real performance.
FAQ
No, but it can send webhooks to brokers that support them (like Alpaca or Interactive Brokers via a bridge).