Direct Answer
A point and figure chart has no time axis. It plots a rising column of X's, adding a new X each time price rises by at least one box size, and a falling column of O's, adding a new O each time price falls by at least one box size. The chart only switches columns once price reverses by the stated reversal amount, commonly three boxes, known as a 3-box reversal chart.
Key Takeaways
- Box size sets the minimum price move recorded, either a fixed point/dollar amount or a percentage of price.
- Reversal amount, expressed in boxes, sets how far price must move against the current column before a new column starts. Three boxes is the most traditional convention.
- No new mark is added while price moves less than one box in the current direction, and no reversal happens while price moves less than the reversal amount against it. This is what filters out time and minor noise.
- Traditional "count" techniques project price targets from a chart's column height or sideways congestion width, but they are pattern-based heuristics, not reliable predictors.
How are point and figure charts constructed?
Two parameters govern every point and figure chart: the box size and the reversal amount. Together they decide when a new mark gets added to the current column and when the chart switches to a new column altogether.
Box size
The box size is the minimum price increment the chart tracks. It can be set as a fixed point or dollar amount, for example, one dollar per box on a $100 stock, which is simple to reason about but can produce far too many or far too few boxes if applied unchanged to a $5 stock or a $2,000 stock. The alternative is a percentage-based box size, where the box scales with the current price level (for example, 1% of price), so the chart's sensitivity stays roughly consistent whether the underlying instrument is trading at $10 or $10,000. Percentage-based scaling is the more common default on charting platforms that need one box-sizing rule to work across a wide range of instruments.
Reversal amount
The reversal amount, stated in boxes, is how far price has to move against the current column before the chart starts a new one. A 3-box reversal chart, the most traditional and widely used convention, requires price to move three full box sizes in the opposite direction before the X column switches to an O column, or vice versa. A smaller reversal amount (such as one box) produces a more sensitive, noisier chart with more column switches; a larger reversal amount filters out more minor price movement at the cost of reacting more slowly to genuine trend changes.
Common mistake
The common mistake is assuming a point and figure chart updates on every price tick the way a candlestick chart updates on every bar. It doesn't. No mark is added at all unless price has moved at least one full box size, and the column itself only switches once price has moved the full reversal amount against it, small, sub-box price movement leaves the chart completely unchanged.
Worked Example: A 3-Box Reversal Chart
Illustrative numbers, not live market data.
Box size: $1. Reversal amount: 3 boxes (a 3-box reversal chart). The table below walks a nine-observation synthetic price series through the construction rules step by step.
| Obs. | Price | Column | Action |
|---|---|---|---|
| 1 | $100 | X (col. 1) | Chart starts; first X placed at 100 |
| 2 | $102 | X (col. 1) | Price rose 2 boxes; add X at 101 and 102 |
| 3 | $104 | X (col. 1) | Price rose 2 more boxes; add X at 103 and 104 |
| 4 | $103 | X (col. 1) | No new box: the 1-box pullback is below the 3-box reversal threshold, so the chart is unchanged |
| 5 | $101 | O (col. 2, reversal) | Price fell 3 boxes from the column top (104 → 101), meeting the reversal threshold; new O column fills 103, 102, 101 |
| 6 | $99 | O (col. 2) | Price fell 2 more boxes; add O at 100 and 99 |
| 7 | $97 | O (col. 2) | Price fell 2 more boxes; add O at 98 and 97 |
| 8 | $100 | X (col. 3, reversal) | Price rose 3 boxes from the column bottom (97 → 100), meeting the reversal threshold; new X column fills 98, 99, 100 |
| 9 | $103 | X (col. 3) | Price rose 3 more boxes; add X at 101, 102, and 103 |
The result is a three-column chart: column 1 is a rising X column from 100 to 104 (5 boxes), column 2 is a falling O column from 103 down to 97 (7 boxes, including the 3 boxes that back-filled from the reversal), and column 3 is a rising X column from 98 back up to 103 (6 boxes, again including the 3 boxes that back-filled the reversal). Notice that observation 4's $103 print never appears as its own mark, the chart only records that price failed to clear the 3-box reversal threshold, so column 1 simply stays at its 104 high until the reversal at observation 5 confirms.
Common mistake
The common mistake is reading a column reversal as happening exactly at the observation that triggered it. In this example, the reversal at observation 5 doesn't just add one O at 101, it back-fills the whole gap from one box below the prior column's top (103) down to the new price (101), because the chart has no memory of exactly when price passed through 103 and 102 on the way down, only that it did.
Why are point and figure charts used for support/resistance and price targets?
Because a point and figure chart removes time and minor noise, long runs of X's or O's in the same column tend to stand out visually as sustained directional moves, and sideways clusters of alternating short columns tend to stand out as congestion zones, which is why the technique has historically been associated with reading support and resistance levels directly off the chart's column structure.
The chart's structure also gave rise to traditional count techniques, which project a price target by measuring the width of a congestion pattern (horizontal count) or the height of a single column (vertical count) and projecting that distance forward from a breakout point. These methods are long-standing conventions in point and figure literature, not statistically validated forecasting tools, the projected target is a heuristic derived from the chart's own geometry, and price frequently stops well short of, or runs well past, the projected level. Traders who use count-based targets typically treat them as one input among several, not a standalone prediction.
How is the box size chosen?
Box size can be a fixed dollar or point amount, which is simple but can misrepresent very high- or low-priced instruments, or a percentage of price, which scales the box automatically as price moves and is more common on charting platforms that cover a wide range of instruments and price levels.
Can point and figure price targets be trusted?
No single count method reliably predicts a future price. The traditional vertical and horizontal count techniques project a target from the size of a completed column or a sideways congestion pattern, but they are pattern-based heuristics with no guarantee of being reached, and different analysts applying the same method to the same chart often produce different counts.
Misconceptions Versus Reality
| Misconception | Reality |
|---|---|
| A point and figure chart plots every price tick or bar, just without dates on the axis | No mark is added at all unless price moves at least a full box size, most minor price movement leaves the chart completely unchanged |
| The reversal amount and box size are the same setting | Box size sets the minimum move recorded within a column; the reversal amount, stated in boxes, sets the separate, usually larger, threshold required to switch columns |
| Count-method price targets are a reliable forecast | Count methods are traditional pattern-based heuristics derived from a chart's own geometry, not statistically validated predictions; price often falls short of or overshoots the projected level |
| A single box size setting works equally well for every instrument | A fixed dollar/point box size can produce far too many or too few boxes across very different price levels; percentage-based box sizing is generally preferred when comparing instruments at different prices |
Risks, Limitations, and Exceptions
- Choice of box size and reversal amount materially changes the resulting chart, the same underlying price series can look like a strong trend on one setting and a choppy sideways pattern on another.
- Because the chart has no time axis, two point and figure charts covering very different real-world time spans can look visually similar, which can mislead a reader who assumes column count implies elapsed time.
- A reversal back-fills a range of boxes rather than marking the exact price at which the reversal occurred, so the chart doesn't preserve the precise path price took during a reversal move.
- Traditional count-based price targets are heuristics with real, documented failure rates, not statistically validated forecasts, treat them as one input, never a standalone prediction.
- The worked example in this guide uses illustrative, deterministic numbers, not live market data.
The Path Price Took Is Not Preserved
A detail of the construction has consequences people rarely think through. When price reverses, the new column back-fills a range of boxes rather than marking the exact price where the turn happened. The chart records that price covered that ground, not the route or the sequence, so a violent reversal and an orderly one leave the same marks. Reading a column of O's as a description of how the decline unfolded is reading detail the format discarded.
Box size and reversal amount decide the rest. The same price history can look like a clean trend on one setting and directionless chop on another, which means any characterisation of the chart is really a characterisation of the parameters plus the data. Fix them for a stated reason before you look at the result.
And there is no time axis, so column count carries no information about elapsed period. Two charts spanning very different real-world stretches can appear closely comparable, and a reader assuming otherwise will misjudge how quickly anything happened.
The traditional count techniques, projecting a target from column height or from the width of a sideways congestion, are heuristics with real failure rates rather than validated forecasting methods. They produce a specific number, which is precisely what makes them tempting to act on as though the number were derived rather than conventional.
Frequently Asked Questions
How are point and figure charts constructed?
A point and figure chart has no time axis. It plots a rising column of X's, adding a new X each time price rises by at least one box size, and a falling column of O's, adding a new O each time price falls by at least one box size. The chart only switches from an X column to an O column, or back again, once price reverses by the stated reversal amount, commonly three boxes, known as a 3-box reversal chart.
How is the box size chosen?
Box size can be a fixed dollar or point amount, which is simple but can misrepresent very high- or low-priced instruments, or a percentage of price, which scales the box automatically as price moves and is more common on charting platforms that cover a wide range of instruments and price levels.
Can point and figure price targets be trusted?
No single count method reliably predicts a future price. The traditional vertical and horizontal count techniques project a target from the size of a completed column or a sideways congestion pattern, but they are pattern-based heuristics with no guarantee of being reached, and different analysts applying the same method to the same chart often produce different counts.
What is the difference between a vertical and a horizontal point and figure count?
A vertical count measures the length of a single breakout column in boxes and multiplies it by the box size and the reversal amount. A horizontal count measures the width of a congestion area in columns instead, on the reasoning that a wider base implies a larger subsequent move. They frequently disagree on the same chart, and neither is a forecast; both are arithmetic applied to a chart pattern.
How do you tell when something happened on a point and figure chart?
Most implementations substitute a character for the X or O in the first box of each new month, using digits for the months and letters for October through December. That is the only time marker on the chart. Everything else about the horizontal axis records movement rather than duration, so a column can span one session or many months with no visual difference.
What is a double top breakout on a point and figure chart?
A double top breakout occurs when a column of Xs rises one box above the top of the previous column of Xs. The double bottom breakdown is the mirror case, an O column falling one box below the previous O column low. These are the simplest of the point and figure signal definitions, and they are mechanical: the condition is either met by the box count or it is not.
Should point and figure box size be a fixed amount or a percentage?
A fixed box size keeps every reversal the same distance in currency terms, which distorts badly across a long history where price has moved through a wide range. A percentage box keeps the reversal proportional, so a chart covering a tenfold price change stays readable. The tradeoff is that percentage boxes make the recent, higher-priced section less sensitive in absolute terms than the older section.
Can point and figure charts be built from intraday highs and lows?
Yes, and the high and low method is common. It checks whether the high extends the current column and, if not, whether the low triggers a reversal. A close-only method checks a single price per period instead. The two produce visibly different column structures from the same data, so the construction method belongs alongside the box size when describing a chart.
What is the bullish percent index?
The bullish percent index is a breadth measure built on point and figure logic: it reports the share of an index constituents currently showing a point and figure buy signal. It is not a chart of price, so it is read as a participation measure rather than a level. It exists on this list because it is one of the few widely followed indicators whose definition depends on point and figure construction rules.
References
Point and figure charting follows a long-standing, publicly documented construction convention used across technical-analysis literature and charting-platform documentation. Key reference sources include:
- Chicago Mercantile Exchange (CME Group), Technical Analysis Education: cmegroup.com/education: background on chart-based technical analysis conventions used across exchange-listed markets.
- Nasdaq, Market Activity: nasdaq.com/market-activity: historical price data conventions this illustrative example's construction rules are built on.
The nine-observation worked example in this guide uses a clearly labeled, deterministic illustrative dataset, not live market data. This content was reviewed by the Swoopr Editorial Team in August 2026.