OBV On Balance Volume: Settings and How to Use It (2026)

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What is OBV (On Balance Volume)?

OBV (On-Balance Volume)

OBV (Volume Balance) is a volume-based momentum indicator developed by Joseph Granville in 1963.

Key Idea: "Volume precedes price"

OBV calculation: 
- Closing price > Previous day's closing price: OBV += Trading volume of the day 
- Closing price < Previous day's closing price: OBV -= Trading volume of the day 
- Closing price = Closing price of the previous day: No change in OBV

In other words, it is a cumulative line that adds the volume of rising bars and subtracts the volume of falling bars.

Core principles of OBV: Force tracking

Large institutional investors (powers) quietly build up positions.

If forces accumulate before the price moves significantly:

Price: flat or slightly moving
OBV: Steadily rising (buying volume overwhelming selling volume)

Discovering this gap is the key to utilizing OBV.

3 key OBV signals

Signal 1: OBV Direction = Trend Confirmation

OBV rise + price rise: strong upward trend (supported by trading volume)
OBV decline + price decline: strong downward trend
OBV rise + price fall: ⚠️ Bullish divergence → Anticipation of a reversal
OBV decline + price rise: ⚠️ Bearish divergence → rise weakens

Signal 2: Bullish OBV divergence

Price: New Low ↘ 
OBV: Higher low ↗

What it means: Prices are falling, but buying volume is increasing 
→ The forces are quietly accumulating 
→ Upturn imminent

One of the most powerful signals in practice. It is often observed at major Bitcoin bottoms.

Signal 3: Bearish OBV divergence

Price: New high ↗ 
OBV: Lower highs ↘

Meaning: Prices are rising, but buying volume is decreasing 
→ Weakening upward momentum 
→ Imminent downward turn

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Strategy for practical use of OBV

Strategy 1: OBV divergence + candle pattern

Using bullish divergence: 
1. Check OBV bullish divergence 
2. Reach near the support line 
3. Appearance of morning star or ascending dominant type 
4. Long entry

When these three things are met simultaneously: very high reliability

Strategy 2: OBV Breakout

When OBV breaks through the long-term resistance line (horizontal line) 
→ The price is expected to break through in the same direction soon.

OBV Breakthrough: Advance into position 
Price breakout: additional entry after confirmation

OBV limits

Direction is more important than absolute value: The trend is important, not whether the OBV value itself is large or small.
Difference in trading volume by exchange: Only single exchange data is used
Possibility of manipulation: Powers can manipulate trading volume through spoofing (short-term)

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