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What Is The OBV?

Views 17042022.11.02

Key Takeaways

● Traders can use the OBV, a volume indicator, to anticipate price moves.

● Volume is added into the OBV on up days and subtracted from the indicator on down days.

● This indicator tells traders whether there is a divergence between the stock price and the volume.

Understanding

The On-balance volume (OBV) is a technical momentum indicator that measures trading volume.

Combined with the candlestick chart, OBV can be used to predict major market moves.

Calculating OBV

The OBV is a cumulative total of a security's trading volume, adding volume on up days and subtracting volume on down days.

The calculation follows three rules:

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How to use OBV

The bulls may have gathered strong momentum if the OBV indicator has been trading sideways for over three months.

When the OBV makes an upward breakout, it may signal a rising trend.

When the stock price falls and the OBV rises, a positive divergence is formed, signaling an upward move in the stock price.

When the stock price rises and the OBV falls, a negative divergence occurs, signaling a downward move in the stock price.

When both stock price and OBV are making higher highs, the uptrend is likely to remain.

When both stock price and OBV are making lower lows, the downtrend is likely to remain.

The Bottom Line

The price-volume relation serves as a window on the stock market trends.

The OBV indicates whether the trading volume can validate price actions. But remember that the indicator only tracks the trading volume.

If momentum is suddenly affected by other factors, the OBV's effectiveness might be compromised.

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