Momentum strategies are attractive because they aim to participate in stocks that are already demonstrating strong directional behaviour. The challenge is that high-beta stocks can move quickly in both directions. A sharp rise may represent the beginning of a sustained trend, or it may simply be a short-lived price surge followed by equally rapid weakness.
The JS Momentum Factor Index, or JSMFI, can be approached as a momentum-focused framework for identifying securities showing relatively strong price behaviour. However, momentum alone may not be sufficient for making a trading decision. Combining momentum observations with trend-strength and trend-direction indicators such as ADX and Supertrend can provide additional confirmation when assessing whether a high-beta trend has the potential to continue.
Why High-Beta Momentum Needs Confirmation
High-beta stocks tend to react more aggressively to changing market conditions. During bullish periods, they may significantly outperform the broader market. The same sensitivity can work against traders when sentiment changes.
This creates an important distinction between strong recent performance and a strong underlying trend.
A stock may rank favourably from a momentum perspective after a rapid price increase, but that movement could already be losing strength. Instead of treating momentum as a standalone Buy signal, traders can examine whether supporting technical indicators confirm that the trend remains established.
This is where ADX and Supertrend can complement a JSMFI-based approach.
Using ADX to Validate Trend Strength
The Average Directional Index, commonly known as ADX, is designed to measure the strength of a trend rather than determine whether the market is bullish or bearish.
For a momentum strategy, this characteristic is useful. A high-beta stock may be moving upward, but the key question is whether that movement is developing into a meaningful trend.
A rising ADX can indicate that trend strength is increasing. If a stock displays positive momentum while ADX is also strengthening, the combination provides stronger evidence that the movement has underlying directional conviction.
Conversely, strong momentum accompanied by a weak or declining ADX deserves additional attention. The stock may still rise, but the absence of increasing trend strength can indicate that the move is becoming less reliable.
Traders can examine ADX together with other indicators for PSX company symbols through the Technical Analysis section of PSX Technical Analysis.
Supertrend as Directional Confirmation
While ADX helps evaluate trend strength, Supertrend provides a more direct view of trend direction.
When price remains in a bullish Supertrend condition, it suggests that the existing upward trend has not yet produced the conditions required for a trend reversal signal. Combining this with momentum and ADX creates a three-part analytical process.
First, momentum identifies a stock demonstrating relative price strength. Second, ADX helps determine whether the trend has sufficient strength. Third, Supertrend provides confirmation that the prevailing directional structure remains favourable.
For example, consider a high-beta stock that has recently accelerated upward. If its momentum remains strong, ADX is rising, and Supertrend continues to indicate a bullish trend, the evidence for trend continuation is stronger than momentum alone would suggest.
The opposite situation is equally important. A stock might continue showing favourable historical momentum while Supertrend changes direction. That divergence can act as a warning that recent momentum is no longer aligned with the current trend.
Avoiding the Momentum Trap
One of the risks in momentum trading is entering after much of the move has already occurred.
A high JSMFI-style momentum reading should therefore be treated as the beginning of an investigation rather than the final trading decision. Traders can assess whether price structure, trend strength, volatility, and directional indicators remain supportive.
High-beta stocks are particularly vulnerable to false breakouts and rapid reversals. Confirmation from ADX and Supertrend can help filter situations where recent performance appears impressive but technical conditions are beginning to deteriorate.
No indicator combination eliminates false signals. Instead, multiple indicators provide different perspectives on the same market movement.
Backtesting the Combined Strategy
A technical strategy becomes much more useful when its historical behaviour can be evaluated instead of relying entirely on visual chart interpretation.
This is particularly relevant when combining momentum, ADX, and Supertrend conditions. Traders should examine how frequently the combined setup historically produced favourable outcomes, how it behaved during sideways markets, and whether stricter confirmation rules reduced false signals at the expense of fewer opportunities.
The Signal Backtesting feature can help users examine historical signal behaviour and assess whether a technical approach has demonstrated consistency under different market conditions.
Backtesting does not guarantee that a strategy will perform similarly in the future, but it provides valuable context for understanding its historical strengths and weaknesses.
Final Perspective
A JSMFI momentum strategy can help identify high-beta stocks displaying strong price behaviour, but momentum is more useful when supported by evidence that the underlying trend remains healthy.
ADX contributes information about trend strength, while Supertrend helps confirm direction. When momentum is positive, ADX is strengthening, and Supertrend remains bullish, traders have several independent technical observations supporting the continuation case.
When these indicators begin to disagree, caution may be appropriate.
The objective is not to find a perfect indicator. It is to build a structured analytical process in which momentum identifies opportunities, trend indicators provide confirmation, and historical backtesting helps determine whether the combined strategy has behaved reliably in previous market conditions.