Key Takeaways
- IMI measures intraday price momentum using open-close data.
- Values above 70 signal overbought; below 30 oversold.
- Ideal for spotting short-term reversals and trend strength.
- Combines candlestick analysis with RSI principles.
What is Intraday Momentum Index (IMI)?
The Intraday Momentum Index (IMI) is a technical indicator developed by Tushar Chande in 1994 that measures momentum by combining elements of the Relative Strength Index (RSI) with candlestick analysis, focusing on the relationship between open and close prices within a single trading day. It produces a value from 0 to 100 to identify overbought or oversold conditions, helping traders time entries and exits more precisely.
This indicator is especially popular among daytraders who rely on intraday price action to capitalize on short-term volatility.
Key Characteristics
The IMI offers a unique blend of momentum measurement by emphasizing intraday price changes. Key features include:
- Intraday Focus: Unlike traditional RSI, IMI compares the relationship between open and close prices each day, highlighting short-term buying or selling pressure.
- Range: Values range from 0 to 100, with readings above 70 indicating overbought conditions and below 30 signaling oversold status.
- Default Period: Typically calculated over 14 periods, but adjustable based on trading style and timeframe.
- Visual Representation: Plotted as a line chart often with a moving average line for trend confirmation, applying concepts of data smoothing.
- Momentum Signals: Readings above 50 suggest bullish momentum; below 50 indicate bearish momentum.
How It Works
The IMI calculates momentum by summing intraday gains (when the close price exceeds the open) and intraday losses (when the open exceeds the close) over the selected period. It then forms a ratio of gains to total price movement, scaled from 0 to 100, similar to RSI but emphasizing intraday price changes.
This approach allows you to detect short-term momentum shifts within the day, providing timely signals for potential reversals or continuation. Traders often combine IMI with other indicators or volume data to strengthen decision-making during volatile market conditions.
Examples and Use Cases
The Intraday Momentum Index is useful across various sectors and trading scenarios. Here are some practical applications:
- Technology Stocks: Traders monitoring Microsoft may use IMI to spot intraday pullbacks or breakouts during earnings announcements, integrating momentum insights with event-driven volatility.
- ETF Trading: Momentum traders might apply IMI to ETFs like SPY for timing short-term entries and exits based on intraday strength or weakness.
- Growth Stock Strategies: When selecting stocks from guides such as best growth stocks, IMI can help confirm momentum trends before committing capital.
- Day Trading Tactics: Using IMI with candlestick patterns supports quick decisions for intraday trades, especially when combined with backtesting to validate effectiveness.
Important Considerations
While the IMI provides valuable intraday momentum insights, it should not be used in isolation. False signals can occur in ranging markets, so pairing it with trend confirmation tools or volume analysis improves reliability.
Adjusting the indicator’s period and combining it with other technical analysis methods can optimize its usefulness for your specific trading style. Remember to incorporate risk management principles and continuous evaluation through backtesting to refine your approach.
Final Words
The Intraday Momentum Index offers a nuanced view of short-term price strength by focusing on intraday moves, making it a valuable tool for timing entries and exits in volatile markets. To put it to work, test the IMI alongside your existing indicators to see how well it aligns with your trading strategy.
Frequently Asked Questions
The Intraday Momentum Index (IMI) is a technical momentum indicator developed by Tushar Chande in 1994 that measures intraday price momentum by comparing open and close prices. It combines candlestick analysis with elements of the Relative Strength Index (RSI) to identify overbought and oversold conditions.
Unlike the RSI, which uses close-to-close price changes, the IMI focuses on intraday price movements by analyzing the difference between open and close prices within each trading day. This makes IMI especially useful for day traders looking to gauge short-term momentum.
IMI values range from 0 to 100, where readings above 70 suggest overbought conditions and potential price corrections, while readings below 30 indicate oversold conditions and possible upward reversals. Values between 30 and 70 represent neutral momentum.
The IMI is calculated by summing the gains (close price minus open price on up days) and losses (open price minus close price on down days) over a set period, typically 14 days. The formula is 100 times the ratio of total gains to the sum of total gains and losses, producing a value between 0 and 100.
Traders often use the IMI to identify overbought conditions above 70 as sell signals and oversold conditions below 30 as buy signals. Additionally, they look for divergences between IMI and price to spot potential reversals and combine IMI with moving averages or candlestick patterns for trend confirmation.
Yes, while the IMI is designed to measure intraday momentum and is ideal for day trading, it can be applied to any timeframe. However, its emphasis on open and close price differences makes it particularly effective in volatile, short-term trading environments.
The IMI was developed by Tushar Chande in 1994. The default calculation period is typically 14 trading sessions, though some platforms may use shorter periods like 5 to suit different trading styles.
The IMI is usually plotted as a green line on a separate indicator pane, often accompanied by a red average line. When the IMI line is above its average, it signals bullish momentum, while being below suggests bearish momentum.


