The Vortex Indicator, developed by Etienne Botes and Douglas Siepman and published in 2010 in Technical Analysis of Stocks & Commodities magazine, was inspired by Viktor Schauberger's observations of vortex motion in water. The indicator computes two lines: VI+ measures upward directional movement and VI- measures downward directional movement, both normalized by the True Range over the same lookback period. When VI+ crosses above VI-, a bullish trend signal is generated; when VI- crosses above VI+, a bearish trend signal is generated. Unlike the MACD (which uses EMA differences) or ADX (which measures trend strength without direction), the Vortex Indicator directly models the competition between bullish and bearish directional pressure — making it particularly useful for identifying trend direction changes in crypto markets where directional transitions are often sharp and fast. DennTech's Vortex Indicator strategy implements crossover, threshold confirmation, and Vortex-ADX combined modes.
Related strategies: ADX, MACD, ATR.
Vortex Indicator Formula
True Range (TR) = max(High-Low, |High-Close_prev|, |Low-Close_prev|) Upward Movement VM+ = |High(current) - Low(previous)| Downward Movement VM- = |Low(current) - High(previous)| Sum over N periods (N=14 standard): SumVM+ = sum of VM+ over N periods SumVM- = sum of VM- over N periods SumTR = sum of TR over N periods VI+ = SumVM+ / SumTR VI- = SumVM- / SumTR Signals: VI+ crosses above VI- → Bullish trend — long entry VI- crosses above VI+ → Bearish trend — exit long / short signal Current readings above 1.0 indicate strong directional pressure Readings near 1.0 (VI+ ≈ VI-) indicate neutral/consolidating conditions
Three Vortex Strategy Modes
Mode 1: Crossover Signal
Long entry: VI+ crosses above VI- (bullish crossover). Exit: VI- crosses above VI+ (bearish crossover). Standard trend-following mode. Best on 4H or Daily charts for BTC/ETH. ATR-based stops recommended. See our ATR guide.
Mode 2: Threshold Confirmation
Require VI+ above a minimum threshold (e.g., 1.10) at the time of bullish crossover — this confirms the crossover has sufficient momentum behind it. Reduces false signals from weak crossovers near 1.0 where both lines are flat. See our ADX guide for similar strength filtering.
Mode 3: Vortex-ADX Combined
Use ADX for trend strength confirmation and Vortex for direction: ADX above 25 (confirming a trend exists) + VI+ above VI- (confirming bullish direction) = high-conviction long entry. Both signals must be active simultaneously. This combination avoids the Vortex's weakness of generating crossovers in low-ADX ranging markets. See our ADX guide.
Vortex vs ADX vs MACD Comparison
| Indicator | Measures | Gives Direction? | Gives Strength? |
|---|---|---|---|
| Vortex | Directional movement competition | Yes — VI+/VI- crossover | Indirectly (level above 1.0) |
| ADX | Trend strength only | No | Yes — ADX value |
| MACD | EMA momentum difference | Yes — line crossover | Indirectly (histogram size) |
Vortex's unique value: it provides direction signals like MACD but through a different mathematical construction that responds differently to the same price patterns — useful as a confirmation or alternative when MACD signals are unclear. See our MACD guide.
DennTech Vortex Configuration
- Navigate to Strategy → Vortex Indicator
- Mode: Crossover, Threshold, or Vortex-ADX
- Lookback period: 14 (standard) or 21 (slower, fewer signals)
- Minimum VI+ threshold for Mode 2: 1.08–1.15 range
- ADX period and minimum for Mode 3: 14-period ADX, minimum 25
- Stop-loss: ATR × 2.0 multiplier
- Timeframe: 4H or Daily for BTC/ETH
Compare editions at pricing page. All strategies at strategies page. Full documentation at DennTech docs.
Frequently Asked Questions
- How does the Vortex Indicator compare to MACD for crypto bot trend signals?
- The Vortex Indicator and MACD both produce trend direction crossover signals, but their mathematical foundations differ significantly. MACD uses the difference between two Exponential Moving Averages — it is inherently a lagging indicator that reflects the recent momentum of price smoothed by exponential weighting. Vortex uses True Range-normalized directional movement comparison — it directly measures the competition between upward and downward price impulses without smoothing via EMA. In practice: Vortex crossovers tend to be slightly faster than MACD crossovers (less lag from EMA smoothing) but also slightly noisier in choppy markets. The Vortex-ADX combination addresses the choppiness issue. Using both Vortex and MACD crossovers as independent confirmation (both bullish = high conviction entry) can be effective for higher-conviction signal filtering. DennTech's multi-indicator confirmation mode supports this combination. See our MACD guide. Compare editions at the pricing page.
- What is the best lookback period for the Vortex Indicator in cryptocurrency markets?
- The standard 14-period lookback is the most widely used setting and works well for Daily and 4H charts on BTC and ETH. The original Botes and Siepman paper proposed 14 periods as the default after testing across commodities markets. For crypto specifically, the 14-period Vortex is well-calibrated for Daily charts — it captures intermediate trend changes while filtering out very short-term noise. A 21-period lookback generates fewer but more reliable crossover signals — appropriate for slower trend-following strategies that prefer less signal frequency. For 1H charts or higher-frequency strategies, a 10-period lookback may provide more responsive signals but requires more careful ADX filtering to suppress the increased noise. Test both 14 and 21 periods in your DennTech backtest comparing Profit Factor and number of trades to find the optimal balance for your specific strategy and pair. See our backtesting guide. Explore the live demo. Start at the pricing page.
- Can the Vortex Indicator identify the strength of a trend or only its direction?
- Vortex is primarily a directional indicator — it tells you which direction the trend is moving (VI+ above VI- = bullish direction) but does not directly quantify trend strength the way ADX does. Indirectly, the magnitude of VI+ above VI- provides some indication of trend strength: VI+ at 1.30 with VI- at 0.85 represents a much stronger bullish trend than VI+ at 1.05 with VI- at 0.98 (where both lines are nearly equal, indicating near-neutral conditions). But for a dedicated trend strength measurement, ADX is the appropriate tool. This is exactly why the Vortex-ADX combination is the most powerful configuration: ADX provides the strength measurement (is there a strong trend?) and Vortex provides the direction signal (is that trend bullish or bearish?). Neither indicator alone gives both answers — together they provide complete trend characterization. See our ADX guide. Start at the pricing page.
Trend direction strategies: Vortex (this guide), ADX, MACD. All at the strategies page.