--- title: "Average Directional Index Rating" description: "The Average Directional Movement Index Rating (ADXR) smooths the ADX by averaging the current ADX with its value n periods earlier. It is a slower version..." canonical: https://www.getswoopr.com/indicators/trend/average-directional-index-rating/ source: "Swoopr Investment: https://www.getswoopr.com" --- ## Direct Answer > The Average Directional Movement Index Rating (ADXR) smooths the ADX by averaging the current ADX with its value n periods earlier. It is a slower version of ADX that measures trend strength, not direction. Higher values mean the trend has been strong over the recent period, whatever its direction, and low values mean weak or absent trend. # Average Directional Index Rating: Formula, Meaning, Signals, Examples and How to Use It ## How Is Average Directional Index Rating Calculated? The Average Directional Movement Index Rating (ADXR) smooths the ADX by averaging the current ADX with its value n periods earlier. It is a slower version of ADX that measures trend strength, not direction. **Formula:** `ADXR = (ADX(t) + ADX(t - n)) / 2, with n commonly 14` **Inputs:** - ADX values (from the +DI, -DI and ADX calculations) - Lag n (14 is common) **Worked example.** With an ADX of 28 now and 22 fourteen bars ago, the ADXR is 25.0. The inputs are illustrative numbers, not market data. **Reading it.** Higher values mean the trend has been strong over the recent period, whatever its direction, and low values mean weak or absent trend. Values around 20 to 25 are often used as a rough boundary between trending and non-trending conditions. **Limits.** Averaging with an older value adds more lag to an indicator that already smooths heavily. It gives no direction and cannot say how long a trend will last. ## What is Average Directional Index Rating? The Average Directional Movement Index Rating (ADXR) smooths the ADX by averaging the current ADX with its value n periods earlier. It is a slower version of ADX that measures trend strength, not direction. ## How to use Average Directional Index Rating Higher values mean the trend has been strong over the recent period, whatever its direction, and low values mean weak or absent trend. Values around 20 to 25 are often used as a rough boundary between trending and non-trending conditions. A reading alone is never a buy or sell signal; it needs context from price structure, volume, volatility and the broader market regime. ## Strengths - Averaging the ADX with its earlier value gives a smoother trend-strength series that changes slowly from bar to bar. - It combines two points of the same series rather than adding another indicator, so the added computation is a single average. - Reproducible when the formula and data convention are fixed. ## Weaknesses and limitations - A single value mixes the present with a reading from n bars ago, so a dip or surge in the current ADX is partly masked by history. - Because ADX is already a smoothed average of directional movement, the rating is an average of an average and compresses the range of values. - Correlated indicators can create false confidence by repeating the same underlying information. ## Editorial and risk note This page is educational content, not individualized investment advice. It should not imply guaranteed prediction, accuracy or outperformance. ## Frequently Asked Questions Is Average Directional Index Rating a buy or sell signal? No. Higher values mean the trend has been strong over the recent period, whatever its direction, and low values mean weak or absent trend. Averaging with an older value adds more lag to an indicator that already smooths heavily. A trade built on it still needs a trigger, an invalidation rule, a position size and realistic execution assumptions. What is the best setting for Average Directional Index Rating? Average Directional Index Rating is computed from ADX values (from the +DI, -DI and ADX calculations); lag n (14 is common), so the choices that matter are the data convention and the window it is read over. Test those across instruments, regimes and out-of-sample periods instead of fitting one historical winner. Can Average Directional Index Rating be used by itself? Averaging with an older value adds more lag to an indicator that already smooths heavily. It gives no direction and cannot say how long a trend will last. For that reason it is read next to measures of direction, participation, valuation, liquidity and risk, not alone. Does Average Directional Index Rating work on every timeframe? The calculation (ADXR = (ADX(t) + ADX(t - n)) / 2, with n commonly 14) can be run on any bar size, but behavior is not portable: a reading on a five-minute chart describes a very different market window from the same reading on a daily chart. Validate the exact timeframe before relying on it. Why does Average Directional Index Rating give false signals? A single value mixes the present with a reading from n bars ago, so a dip or surge in the current ADX is partly masked by history. Because ADX is already a smoothed average of directional movement, the rating is an average of an average and compresses the range of values. Lag, noise and regime changes add to this, because market participants react to new information after the reading is calculated. How should Average Directional Index Rating be backtested? Rebuild Average Directional Index Rating from ADX values (from the +DI, -DI and ADX calculations) using point-in-time data, write the rules before testing, include delisted securities where relevant, model realistic fills and costs, reserve a validation sample and compare with a simpler baseline. S Swoopr Editorial Team The Swoopr Editorial Team produces independent investment education, research, and tools for understanding markets, evaluating opportunities, and managing risk. All content is educational only and does not constitute personalized investment advice. See our [editorial policy](https://www.getswoopr.com/legal/editorial-policy/) and [corrections policy](https://www.getswoopr.com/legal/corrections-policy/).