Chandelier Exit (CE)

Summary

Le Beau's Chandelier Exit, a two-line volatility stop. The highest high of the window is offset down, and the lowest low up, by a multiple of the Average True Range, so each line hangs from the recent extreme at a distance that widens as the true range grows. The long line is the exit for a long position and hangs below the recent highs; the short line is the mirror for a short position, above the recent lows.

Formula

Long = MAX(High, TimePeriod) - Multiplier * ATR(TimePeriod) Short = MIN(Low, TimePeriod) + Multiplier * ATR(TimePeriod)

Notes

• The extremes are taken over the last TimePeriod bars. Le Beau anchors the highest high at the entry of the trade, which a function over a price series cannot know; the rolling window is what charting platforms plot under this name.
• The Average True Range is this library's, whose first value is the average of the first full period of true ranges that have a previous close. Platforms that start the true range on the very first bar give slightly different values on early bars; the difference decays as the average warms up.
• Both lines are emitted on every bar, each from the highs or the lows. A popular variant takes the extremes of the closes and keeps a single stop that only moves toward price until the trend flips; that variant is not this function.
• Neither line is always on its side of the other: with a small multiplier the long line sits above the short one.
• Both lines inherit the Average True Range's warm-up, so a caller who wants them converged sets TA_FUNC_UNST_ATR, exactly as when calling that function directly.
• The two lines are the Chande Kroll Stop with a stop period of 1, outRealLong being CKSP's outHighStop.

Inputs

• inHigh — High price of each bar
• inLow — Low price of each bar
• inClose — Close price of each bar

Outputs

• outRealLong — Highest high less the multiple of the Average True Range; the stop for a long position
• outRealShort — Lowest low plus the multiple of the Average True Range; the stop for a short position

Parameters

Parameter	Type	Default	Accepted values	Description
optInTimePeriod	integer	22	2–100000	Window of the highest high and lowest low, and smoothing period of the Average True Range
optInMultiplier	real	3	≥ 0	Multiplier applied to the Average True Range to offset the lines

Properties

Numerical Stability: Initial Unstable Period — Inherited from ATR, which CE computes internally; tunable via ATR's unstable period.

✅ Overlap Input i
☐ Independent Y-Axis
☐ Candlestick
☐ Can Output NaN or ±Inf
☐ Identity at Period 1
☐ Display Shift
☐ Uses Transcendental
☐ Input Must Be Positive

Implementation

TA-Lib Definition: ce.c · ce.yaml

Native	File
C	ta_CE.c
Rust	ce.rs
Java	Core_CE.java
C#	Core_CE.cs

TA-Lib is also available for Python, R and more using a wrapper.

Aliases

Chandelier Exit, Chandelier Stop, Le Beau Chandelier Exit

See Also

ATR · MAX · MIN · CKSP · SUPERTREND · KC · SAR

References

• Alexander Elder, Come Into My Trading Room, John Wiley & Sons, 2002, where Charles Le Beau's method is described
• Chandelier Exit (StockCharts ChartSchool)