Advanced Forex · VSA · Lesson 02 of 6
Market Strength, Weakness, No Demand and No Supply
Read background context and distinguish tentative low-volume signals from confirmed price responses.
Background before individual signals
In VSA, background means the sequence of price and activity preceding a setup. A rally into repeated resistance after heavy turnover may behave differently from a rally following a clean breakout and successful retest. Mark recent swing points, trading ranges and unusually active bars first. A label such as strength or weakness is an interpretation of several observations; a single bar cannot certify institutional participation.
Reading potential strength
Potential strength can appear when price falls sharply on high activity but stops making new lows, then rebounds and holds a higher low. This could indicate absorption of selling, but could also reflect profit taking or temporary news effects. Look for later candles that confirm the market can rise without immediately collapsing. If the apparent support level fails, the original strength hypothesis should be revised instead of defended.
Reading potential weakness
Potential weakness may appear after a rally makes marginal new highs while closing poorly and failing to sustain its range. Heavy volume near an established resistance area can reflect selling into demand, but it might equally be aggressive buying meeting available liquidity. Confirmation comes from what price does next: lower highs, inability to reclaim the rejected zone or a decisive break of a nearby support swing.
No Demand definition
A classic No Demand candidate is an up bar with relatively narrow range and lower volume than each of the previous two bars. Many practitioners also prefer a close away from the high or an approach into resistance. Low volume alone does not prove that buyers are absent. The pattern has more interpretive value after evidence of weakness and less value in a healthy rising market during a quiet period.
No Supply definition
A No Supply candidate is a down bar with relatively narrow range and volume below the prior two bars, often assessed after potential strength. The idea is that a pullback attracted relatively little activity. Yet quiet bars can result from lunch hours or feed differences, and a low-volume dip may be followed by a sharp decline. Require the market to hold a meaningful support area or produce bullish follow-through before considering an entry.
Worked comparison
Suppose Gold rallies into 2,450 resistance after several rejected attempts. An M15 up bar has a six-dollar range, followed by a two-dollar up bar with volume lower than both preceding bars. That is a No Demand candidate, not a short signal. If price then breaks the low of the candidate and fails to reclaim 2,450, weakness gains support. If instead price expands higher on sustained activity, the bearish reading was wrong.
Practice, limitations and risk
Find five No Demand and five No Supply candidates on historical charts. Hide future candles while marking them, then reveal the next three bars and record whether the hypothesized direction held. Note session and news conditions. A question for review: can a No Supply bar appear inside a strong downtrend and fail? Yes. Use predefined invalidation levels and position sizing; do not increase risk merely because a textbook pattern appears.
How to check the evidence
When reviewing market strength, weakness, no demand and no supply, capture the candle and the five bars before it as well as the five bars afterward. Note the session, nearby support or resistance, recent range and whether the close confirms the proposed reading. Record the observation in plain language before writing any pattern name. For example, “range expanded but the close returned inside resistance” is verifiable, whereas “smart money manipulated price” is not directly observable from a candle chart. Compare at least one bullish and one bearish explanation and identify what later price action would disprove each. This makes the analysis reproducible for another student.
A structured replay exercise
For Market Strength, Weakness, No Demand and No Supply, review a fixed sample of at least 25 historical candles or setups with future bars hidden. Annotate the relative volume, candle range, closing location and preceding trend for each case. Separate wide-range effort candles from narrow-range tests, and identify instances where the same volume signature preceded opposite outcomes. Summarize the proportion of cases that met your written VSA criteria before judging whether the signal was useful.
Questions to test understanding
Question one: which parts of this market strength, weakness, no demand and no supply interpretation are direct measurements, and which are assumptions? Direct measurements include prices, bar range, closing location and activity reported by the selected feed; assumptions concern participants and future direction. Question two: why is a confirming candle useful? It gives additional evidence, though it cannot eliminate uncertainty. Question three: can the same VSA bar lead to different conclusions at H1 and M15? Yes, because nearby structure and volume baselines differ. Explain your answer using a marked chart and a clear invalidation level.
Risk-aware conclusion
Treat market strength, weakness, no demand and no supply as one component of a documented decision process. Never infer a guaranteed trade from one volume bar, and never claim to see exact institutional orders in decentralized spot Forex. Account for news events, broker differences, bid-ask spread, slippage and leverage before evaluating any setup. Keep paper-trading results separate from live performance and calculate the effect of a losing streak on the account. The best outcome of a lesson is the ability to explain a hypothesis, test it fairly, recognize when it fails and preserve capital while learning.