In plain terms — A spring takes price below accumulation-range support and then back inside. The quality of the recovery and any later test matters more than the break alone.
Definition
In Wyckoff codification, a spring is a move below the support of an accumulation trading range that reverses and returns into the range. It usually occurs late in the range, often in phase C, and is interpreted as a test of supply still available below support.
A spring is not compulsory: one modern accumulation schematic proceeds without one. Nor is shakeout a perfect synonym. The literature uses terminal shakeout for a more forceful variant and also uses shakeout for moves after an advance has already started.
Evidence to combine
| Observation | Meaning in Wyckoff analysis |
|---|---|
| Break below support and quick return | Minimum condition for labelling the event a spring |
| Muted volume on the spring | Consistent with little available supply |
| Forceful spring followed by a lower-volume test | Possible shakeout followed by a supply test |
| Failure to return or persistent renewed selling | Weak or premature spring reading |
| Additional evidence supporting the bullish interpretation |
Volume on the break alone does not assign the outcome, and a low-volume spring can fail. For more forceful moves, this entry uses shakeout only as a description of the variant illustrated by the sources and assesses it with the price response and later tests, not through a volume threshold.
Teaching example — A range has support at 48. Price drops to 46.8 and closes back above 48. The bar meets the minimum spring form; a later test above the low on less volume and an advance toward the top of the range would strengthen the reading. Without that follow-through, another breakdown remains possible.
Operational boundaries
- A spike below a recent low is not a spring without an established range.
- A spring does not prove that institutions bought; that is an inference within the Composite Man model.
- There is no universal stop below the low; distance, volatility, liquidity and risk require separate assessment.
- Confirmation is graded and can be negated by later action.
Sources
- Wyckoff Analytics — Wyckoff Method — phase C, spring, tests and the no-spring variant.
- StockCharts ChartSchool — The Wyckoff Method: A Tutorial — definition, shakeouts, tests and later SOS.
- Hank Pruden — The Wyckoff Method of Technical Analysis and Speculation, Wiley — the discretionary nature of Wyckoff analysis.
These sources describe the model and its criteria; they provide no universal empirical success probability for a spring.
Wyckoff Analytics and StockCharts publish substantially the same tutorial: they are cited as two locations for the same codification, not as independent confirmations. The Wiley DOI page exposes the metadata and publication record; the full text may require a subscription or institutional access.