Upthrust
A push to a new high that closes near its low, commonly on high volume.
Learn about UpthrustReference
Volume Spread Analysis Encyclopedia
Accurate definitions, psychology, recognition rules, and related examples for the core VSA and Wyckoff concepts.
The language of volume, price, and background
Search all 19 concepts by term, definition, or tag, then narrow the results by category.
19 concepts
No Demand
A narrow up bar on volume lower than the prior two bars.
Learn about No DemandNo Supply
A narrow down bar on very low volume, often closing off its low.
Learn about No SupplyShakeout
A sharp downward thrust that triggers stops and recovers well off its low.
Learn about ShakeoutTest
A low-volume probe lower that closes back up, checking whether supply remains.
Learn about TestSpring
A brief break below range support that quickly recovers back inside.
Learn about SpringBuying Climax
Very high-volume, wide up action near the end of an advance, often closing off highs.
Learn about Buying ClimaxSelling Climax
Ultra-high-volume, wide down action that rejects its low near the end of a decline.
Learn about Selling ClimaxBag Holding
An informal psychology term for holding a losing position bought near a top; not a VSA signal.
Learn about Bag HoldingComposite Operator
A model that treats large professional interests as one coordinated market force.
Learn about Composite OperatorEffort vs Result
Volume is effort; spread and price progress are result.
Learn about Effort vs ResultBackground
The accumulated evidence of prior strength, weakness, trend, and phase.
Learn about BackgroundDistribution
A post-uptrend range where professional interests transfer inventory before markdown.
Learn about DistributionAccumulation
A post-decline range where professional demand absorbs supply before markup.
Learn about AccumulationStopping Volume
High-volume down bars that close off their lows and halt a decline.
Learn about Stopping VolumeAbsorption
Professional demand takes in supply while price holds near a level.
Learn about AbsorptionClimactic Volume
Exceptionally high relative volume associated with exhaustion or transfer of ownership.
Learn about Climactic VolumeWeakness
Evidence that professional selling is present or demand is being withdrawn.
Learn about WeaknessStrength
Evidence that professional demand is absorbing supply or selling has dried up.
Learn about StrengthNo concepts match that search and category.