Concept
APO
APO, also known as absolute price oscillator, is a Momentum & Oscillators concept. The Library holds 3 implementations, each one a working definition you can pull into Quant.
Top APO indicators
3 total
What is APO?
APO, the Absolute Price Oscillator, is the difference between a fast and a slow moving average of price, plotted around zero and denominated in price units (dollars, points, pips). With the standard 12- and 26-period exponential averages it is identical to the MACD line; APO is that line generalized to arbitrary lengths and usually shown without MACD's signal line and histogram. Positive readings mean the fast average is above the slow one, and the zero cross is exactly a moving average crossover expressed as an oscillator.
Because the difference is absolute, APO's magnitude scales with the instrument's price level: a reading of 5 is enormous on a $50 stock and trivial on an index at 20,000, and the same chart's readings from years ago stop being comparable after a large price change. That makes APO suitable for one instrument over a reasonably stable window, and PPO, the percentage version, the right tool for comparisons.
How traders use it
- As a single-instrument momentum gauge: position above or below zero tracks the moving average relationship, and slope changes flag momentum building or fading, with the zero cross as the mechanical crossover signal.
- As a stretch measure in price units: APO directly states how far the fast average is extended from the slow one in ticks or dollars, which some mean-reversion rules threshold explicitly.
- As configurable raw material: divergence checks, smoothing, or histogram-style differencing on APO reproduce much of the MACD toolkit with freely chosen lengths.
Related concepts · MACD lineage
Concept family
Momentum & Oscillators
91 concepts mapped · 72 in the Library
APO FAQ
Is APO the same as the MACD line?
With 12- and 26-period EMAs, yes: the APO value equals the MACD line exactly. The differences are packaging: MACD conventionally adds a 9-period signal line and histogram, while APO is usually plotted alone and freely re-parameterized; some platforms also compute it with simple rather than exponential averages. Zero crosses on both mark the same moving average crossover.
When should I use PPO instead of APO?
Use PPO whenever comparisons matter: across different instruments, or across years of a chart where the price level has changed substantially, because PPO expresses the spread as a percentage of price. APO's price-unit scale suits a single instrument over a window where levels are stable, or rules you deliberately want denominated in ticks or dollars. Zero-cross timing is identical for the same averages.
Build APO your way.
Quant writes, tests, and refines it with you — then it runs on LuxAlgo charting or ports to TradingView.