The shape of a volume profile is a series of bulges and pinches, and each one is telling you something. The bulges are high volume nodes, prices the market accepted and defended. The pinches are low volume nodes, prices the market rejected and raced through. Read the two correctly and you know which levels stop price and which ones let it run.
What volume nodes are
A volume node is simply a region of the profile defined by how much volume traded there relative to its neighbors. The profile is never smooth; it clusters into thick and thin sections, and those sections are the nodes.
- A high volume node (HVN) is a fat part of the profile, a price zone where a lot of volume accumulated. It is an area of acceptance, a price the market was comfortable trading and kept coming back to.
- A low volume node (LVN) is a thin part of the profile, a price the market moved through quickly with little trade. It is an area of rejection, a price the market did not want to hang around at.
The point of control is technically the single largest HVN, the tallest bar of all. But nodes are about the broader shape: any well-defined thick or thin patch anywhere on the profile is a node worth marking, not just the peak.
High volume nodes: acceptance and support/resistance
An HVN is where the market did real, repeated business. That accumulated volume gives the zone weight, and price behaves accordingly. When price re-enters an HVN, it tends to slow down and chop, because there is genuine two-sided interest to transact against. Moves stall inside HVNs; they do not slice through them.
This makes HVNs act like thick bands of support and resistance. Not a single line, but a zone. Price approaching an HVN from outside often decelerates as it enters and reacts somewhere within the band rather than at a precise level. Traders who want a magnet target, or a place to expect price to get sticky, look to the nearest HVN.
Example: NQ has a well-defined HVN between 19,650 and 19,690 from several days of rotation. Price selling off from above reaches 19,690 and immediately slows, grinding sideways inside the node instead of dropping cleanly. That stickiness is the HVN doing its job, absorbing the move with real volume. It is a place to expect chop and, if you are looking for longs, a zone where a base can form.
The order flow read inside an HVN is usually about absorption, passive players defending a well-traded zone, rather than clean directional aggression.
Low volume nodes: rejection and breakout levels
An LVN is the opposite: a price the market skipped. Because so little volume traded there, there is nothing to absorb aggression when price returns, so price tends to travel through an LVN fast and clean. That single property makes LVNs the most useful nodes for timing moves.
Two things follow from it:
- LVNs are clean break levels. Price entering an LVN either rips through it (acceptance, trade the continuation) or rejects sharply off its edge (the LVN holds as a barrier). There is little middle ground, which makes the level a decision point.
- LVNs are natural targets. Because moves through them are fast, an LVN is a poor place for price to stall and a good place to aim for. When you are positioned into an LVN, expect acceleration, not resistance.
An LVN sitting between two HVNs is especially valuable. It is the dividing line between two zones of acceptance, and price usually snaps decisively from one HVN to the other across that thin gap. This is the same structure as the connecting node in a double-distribution profile, where the market accepted two separate price areas and rejected the middle.
Example: ES has two HVNs, one around 5,360 and one around 5,410, with a clear LVN at 5,385 between them. Price trading up from the lower node reaches 5,385, and instead of stalling it accelerates through, snapping up toward the 5,410 acceptance zone. The LVN gave no support because no business was done there to slow price down.
Trading nodes together
The real edge comes from reading HVNs and LVNs as a system. The profile becomes a map: HVNs are where price gets stuck, LVNs are where it moves. A trade plan writes itself, enter near an HVN edge, target the far side of the next LVN, and expect the fast travel between them.
Nodes gain enormous weight when they hold across many sessions. A single-session HVN is minor; an HVN that shows up on a multi-day composite profile is a structural level large participants care about. The strongest setups appear when a session node lines up with a composite one. Composites are where the durable HVNs and LVNs live, which is why they belong in your framing of any current move.
As always, nodes tell you where; order flow tells you what. A stacked imbalance or a delta divergence means far more at a composite LVN than in open air. Reading the footprint at a node is what turns a structural level into an actual trade, which is the whole logic of the order flow trading approach, structure underneath, order flow on top.
Frequently Asked Questions
What is the difference between an HVN and an LVN?
A high volume node (HVN) is a thick part of the volume profile where a lot of volume traded, an area of acceptance that acts as support or resistance and where price tends to slow down and chop. A low volume node (LVN) is a thin part where little traded, an area of rejection that price moves through quickly, making it a clean breakout level and a natural target. HVNs stop price; LVNs let it run.
Why does price move quickly through a low volume node?
Because so little volume traded at an LVN, there are almost no resting orders to absorb aggression when price returns. With nothing to slow it down, price travels through the thin zone fast and clean. That is why LVNs make good break levels and good targets, and poor places for price to stall, especially an LVN sitting between two high volume nodes.
How is an HVN different from the point of control?
The point of control is the single price with the most traded volume, the tallest bar on the profile, and it is technically the largest HVN. High volume nodes are the broader concept: any well-defined thick zone anywhere on the profile, not just the peak. A profile has one POC but can have several meaningful HVNs, each acting as a band of support or resistance.
Are composite volume nodes stronger than session nodes?
Yes. A node that only appears on a single session is minor and can disappear the next day. A node that holds across many sessions on a composite profile is a structural level that larger participants pay attention to. The strongest setups occur where a session node lines up with a composite one, so use composites to find the durable HVNs and LVNs that frame the current move.