Extension levels: projecting where price might go
Use Fibonacci extension levels to project targets beyond the previous swing high or low.
Lesson path
Technical Analysis + Price Action
Fibonacci Retracement
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Use Fibonacci extension levels to project targets beyond the previous swing high or low.
Where price might go next
Retracements tell you where a pullback might stop. Extensions tell you where the next leg might end. Same Fibonacci math, applied forward instead of backward. After price retraces to a level like 61.8% and then continues in the original trend, traders use extensions to project where that continuation might pause for profit-taking.
The most-watched extension levels are 127.2%, 161.8%, and 261.8%. 127.2% is a modest extension — price has moved 27% beyond the previous swing high. 161.8% — the golden ratio applied forward — is the most common profit target. 261.8% is a powerful trend's stretch target, reached only when momentum is strong and the move has room to run.
Drawing extensions is similar to drawing retracements. Most charting tools include extensions in the same Fib menu — TradingView's tool draws them automatically if you check the 127.2 and 161.8 boxes. Anchor to your swing low and swing high (in an uptrend), and the tool projects the extension levels above your swing high. In a downtrend, levels project below the swing low.
A clean way to use extensions: scale out. Take partial profit at 127.2%, take more at 161.8%, let the rest ride toward 261.8% with a trailing stop. This way you lock in profits at high-probability pauses without giving up on a powerful trend. The opposite — going all-in at 127.2% and exiting completely — leaves a lot of move on the table when extensions get tagged.
Recap: extensions project where continuation might pause. 127.2%, 161.8%, 261.8% are the three big ones. They're targets, not entries. Scale out at extensions, don't enter there.
Knowledge check
Answer before moving on.
1. Price ran from $100 to $120, then pulled back. After the pullback, it resumed the uptrend. Where does the 161.8% extension target sit?
2. Should you use extensions as entry signals?
3. Which extension level corresponds to the golden ratio?
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