Elder Ray Bull/Bear Power: Measuring Who’s Stronger — Bulls or Bears

Introduction: Rising Prices Don’t Always Mean Strong Bulls — It Might Just Mean Weak Bears

BTC rises from $95,000 to $100,000 — looks like bulls are strong. But closer analysis reveals: did this rally happen because large buy orders pushed prices up, or because short sellers hit their stops and exited, causing a natural price recovery? The former represents genuine bull power; the latter is merely the illusion of bear retreat.

The Elder Ray indicator helps you distinguish these scenarios — it decomposes market forces into Bull Power and Bear Power, letting you see exactly which side is driving prices. Like a boxing match, knowing who won isn’t enough — you need to see whose punches land harder.

Indicator Principle: Decomposing Price into Two Opposing Forces

Elder Ray was also developed by Alexander Elder as a key component of his trading system. The name “Ray” refers to light refraction — just as light is decomposed into different colors, price is decomposed into bullish and bearish forces.

Calculation Formula

Step 1: Calculate EMA as the “value baseline”

Value = EMA(Close, 13)

Step 2: Calculate Bull Power

Bull Power = High - EMA(Close, 13)

Bull Power measures how far above the EMA bulls can push the price — higher values mean stronger bulls.

Step 3: Calculate Bear Power

Bear Power = Low - EMA(Close, 13)

Bear Power measures how far below the EMA bears can push the price — larger negative values mean stronger bears.

Value Meaning

Situation	Bull Power	Meaning
Bull > 0	Bulls can push price above EMA	Bulls have power
Bull < 0	Even the high is below EMA	Bulls have no power at all
Bull increasing	Bull power strengthening	Bullish
Bull decreasing	Bull power weakening	Watch for pullback

Situation	Bear Power	Meaning
Bear < 0	Bears can push price below EMA	Bears have power
Bear > 0	Even the low is above EMA	Bears have no power at all
Bear negative值 increasing	Bear power strengthening	Bearish
Bear negative值 decreasing	Bear power weakening	Await rebound

Core Insight

The EMA line represents “fair value.” Bull Power measures how far bulls can push above fair value, while Bear Power measures how far bears can压 below fair value. Both are calculated independently — this is why Elder Ray provides deeper insight than simply looking at price changes.

Parameters

Default Parameters

• EMA period: 13 (Elder’s original setting)
• Bull Power and Bear Power need no additional parameters

Crypto-Adapted Parameters

Period Type	Recommended EMA Period	Notes
Daily	13	Standard setting
4-hour	13–21	Slightly longer for smoothness
1-hour	21–34	Short-term noise requires longer EMA

For crypto 1-hour charts, use EMA 21 or 34. Shorter EMA periods on 1-hour charts fluctuate too frequently, causing Bull/Bear Power signals to blink repeatedly.

Practical Applications

Scenario 1: Long Entry Signal — Buying When Bear Power Weakens

BTC trading above EMA but experiencing a daily pullback.

Elder’s recommended最佳 buy timing:

• Prerequisite: Price trading above EMA(13) (major trend is up)
• Signal: Bear Power recovering from deep negative toward zero or even接近 zero

This means: bears were once strong (large negative Bear Power), but their strength is now weakening (negative值 shrinking). After bears retreat, bulls will重新主导.

Action:

1. Price above EMA (confirm major trend direction)
2. Bear Power recovers from -500 to -200 (bear strength weakening)
3. Enter long, stop-loss below EMA

May 2026 practical example: BTC daily EMA(13) = $98,000, pulling back to $96,500 with Bear Power = -1,500. Next day Bear Power recovers to -500, bear strength大幅 weakened — buy signal appears. BTC subsequently rebounds to $102,000.

Scenario 2: Short Entry Signal — Selling When Bull Power Weakens

BTC trading below EMA, experiencing a brief bounce.

Elder’s recommended sell timing:

• Prerequisite: Price trading below EMA(13) (major trend is down)
• Signal: Bull Power declining from high positive toward zero or接近 zero

This means: bulls attempted to push prices up (large positive Bull Power), but their strength is fading (positive值 shrinking). After bulls exhaust themselves, bears will重新主导.

Action:

1. Price below EMA (confirm major trend direction)
2. Bull Power declines from +2,000 to +500 (bull strength weakening)
3. Enter short or reduce positions

Scenario 3: Trend Strength Assessment — Dynamic Bull vs Bear Comparison

ETH oscillating around $3,500.

Observe both Bull Power and Bear Power simultaneously:

• Bull Power = +150 (bulls can push 150 points above EMA)
• Bear Power = -300 (bears can push 300 points below EMA)
• Bear strength > Bull strength: Bearish bias

Dynamic tracking:

• If Bull Power gradually increases and Bear Power negative值 gradually shrinks → Bulls are taking over
• If Bear Power negative值 gradually increases and Bull Power gradually shrinks → Bears are taking over
• This dynamic shift in力量对比 is more sensitive than simply watching price movement

Common Mistakes

1. Treating Bull Power as a Buy Signal

Bull Power > 0 only indicates bulls have some strength — it doesn’t mean you should buy. Elder explicitly states: buying below EMA is dangerous — even if Bull Power briefly turns positive, the major trend remains downward.

The correct buy condition: price above EMA + Bear Power recovering from negative值.

2. Ignoring EMA Direction

The EMA line’s slope (direction) is more important than Bull/Bear Power values. If EMA slopes downward, even positive Bull Power merely reflects a bounce within a decline — don’t be misled by short-term Bull Power.

3. Looking at Only One Component

You must examine both Bull Power and Bear Power simultaneously. Looking only at Bull Power, you might think bulls are strong, but if Bear Power has larger negative值, bears are actually stronger.

4. Using Short EMA Periods for Crypto Short-Term Trading

EMA(5) or EMA(8) on BTC 1-hour charts fluctuate excessively, causing Bull/Bear Power signals to blink frequently. For crypto short-term, use at least EMA(21).

Combinations with Other Indicators

Elder Ray + Force Index: Double Strength Confirmation

• Bear Power recovering + FI(2) turning positive from negative: Bear strength weakening + money returning, double-confirmed buy
• Bull Power declining + FI(2) turning negative from positive: Bull strength weakening + money exiting, double-confirmed sell
• Both indicators come from Elder’s trading system and naturally complement each other

Elder Ray + MACD: Strength + Trend

• Price above EMA + MACD golden cross + Bear Power recovering: Triple-confirmed long
• Price below EMA + MACD death cross + Bull Power declining: Triple-confirmed short
• MACD tracks the major trend; Elder Ray reveals strength details

Elder Ray + RSI: Strength + Overbought/Oversold

• Bear Power recovering from deep negative + RSI recovering from below 30: Bottom rebound strength confirmed
• Bull Power declining from high positive + RSI falling from above 70: Top reversal strength confirmed

Summary

Elder Ray decomposes market forces into Bull Power and Bear Power as two independent dimensions, so instead of vaguely saying “it went up” or “it went down,” you can precisely answer “how much did bulls push, and how much did bears压.”

Key takeaways:

1. Check EMA direction and price position first — major trend takes priority
2. Buy signal = price above EMA + Bear Power recovering — go long when bears retreat
3. Sell signal = price below EMA + Bull Power declining — go short when bulls exhaust
4. Look at both Bull and Bear — don’t examine only one side
5. Crypto daily charts use EMA 13; 1-hour charts use 21–34
6. Elder Ray and Force Index belong to the same Elder system — combining them works best

For more practical methods, see Dimen Trading.