13. Commodity Channel Index (CCI)
1. What is Commodity Channel Index (CCI)?
The Commodity Channel Index (CCI) is a momentum-based oscillator developed by Donald Lambert that measures how far the current price has deviated from its historical average. Although initially used for commodities, it's now widely applied in stocks, forex, and crypto to identify overbought, oversold, and trend reversal points.
2. Components of CCI?
Typical Price (TP): (High + Low + Close) ÷ 3
SMA of Typical Price: Usually over 20 periods
Mean Deviation: Average of absolute deviations from the SMA
CCI Formula:
CCI=TP−SMA(TP)0.015×Mean DeviationCCI = \frac{TP - SMA(TP)}{0.015 × Mean\ Deviation}
3. Pros and Cons of CCI?
Pros:
Useful for detecting trend reversals and momentum extremes.
Works across various timeframes and asset classes.
Can identify divergence between price and indicator.
Cons:
Highly sensitive, leading to frequent false signals.
No inherent overbought/oversold zones — +100 and −100 are guidelines, not strict levels.
Needs to be combined with other tools for reliability.
4. What is the purpose of CCI in stock analysis?
To measure how far price deviates from its average, signaling potential buy/sell opportunities.
To identify overbought conditions (CCI > +100) and oversold conditions (CCI < −100).
To detect trend strength and reversals.
5. How is CCI calculated or derived?
Compute the Typical Price (TP) = (High + Low + Close) ÷ 3.
Calculate a 20-period SMA of TP.
Determine mean deviation from the SMA.
Apply the CCI formula:
CCI=TP−SMA(TP)0.015×Mean DeviationCCI = \frac{TP - SMA(TP)}{0.015 × Mean\ Deviation}
The constant 0.015 is used to normalize the values around +100 and −100.
6. When should traders use CCI?
To spot potential turning points in price trends.
During pullbacks or trend exhaustion zones.
When divergence appears between CCI and price action.
7. What are the limitations or risks of using CCI?
Generates frequent false signals in sideways or low-volatility markets.
Thresholds (+100/−100) are arbitrary, not universal.
May require custom tuning based on asset volatility.
8. What are common mistakes when interpreting CCI?
Taking +100 or −100 as absolute entry/exit signals.
Using CCI without confirming trend or volume.
Not recognizing that CCI works better in trending markets than in choppy ones.
9. How can CCI be combined with other tools for better accuracy?
Use with MACD or RSI to confirm momentum and trend.
Combine with candlestick patterns or support/resistance zones.
Pair with volume indicators to confirm strength of price moves.
10. How do professional traders interpret CCI differently from beginners?
Professionals:
Focus on divergence, breakouts, and trend continuation setups.
Adjust CCI period settings depending on asset and strategy (e.g., 14, 20, or 50).
Use CCI in conjunction with trend filters or higher-timeframe confirmation.
Beginners:
Trade blindly off +100/−100 crossovers.
Use default settings across all assets without testing.
Expect CCI to provide precise buy/sell signals instead of contextual insights.
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