Williams alligator calculator
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Williams fractals calculator
The swing highs and lows the market has turned at: the last up and down fractal, a breakout, and where the stops go.
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The bars
The fractals
The last up fractal 2,358.70, 17 bars ago; the last down fractal 2,311.70, 13 bars ago.
- Where the close is
- The close, 2,443.60, is above the last up fractal: the price has broken out above it, 9 bars ago. Williams' rule buys a break of an up fractal, so a long trade would be on.
- Where the stops go
- Many traders put a long trade's stop just under the last down fractal (2,311.70, 131.90 below the close) and a short trade's stop just over the last up fractal. They are the swing points the market has already turned at.
- How many
- In these 80 bars there are 8 up fractals and 12 down fractals. The last 2 bars can't hold one yet: a fractal is only known 2 bars after it forms.
- Read it with care
- Fractals are common, so on their own many breaks fail. Williams took a break only in the direction of the trend, with the price on the right side of his alligator lines.
The last fractals, newest at the bottom (marked): how many bars ago, up or down, the level, and the close against it.
| Bar | Fractal | Level | Close vs level |
|---|---|---|---|
| 35 ago | Down | 2,239.50 | +204.10 |
| 32 ago | Up | 2,292.80 | +150.80 |
| 32 ago | Down | 2,252.10 | +191.50 |
| 29 ago | Down | 2,250.70 | +192.90 |
| 24 ago | Up | 2,307.10 | +136.50 |
| 22 ago | Down | 2,247.20 | +196.40 |
| 17 ago | Up | 2,358.70 | +84.90 |
| 13 ago | Down | 2,311.70 | +131.90 |
Education only, not investment advice. The answer comes from the numbers you typed in, not from your account or the market. Simulated results are hypothetical and have limits: real trading has slippage, gaps, changing results and emotions. Trading leveraged products can lose money quickly, including all of it. Risk warning
Educational only, not financial advice; trading involves risk.
Five bars that mark a turn
Bill Williams called a bar a fractal when its high stands above the highs of the two bars before it and the two after it (an up fractal), or its low stands below theirs (a down fractal). It is the simplest exact rule for a swing high or a swing low, and it is only known two bars later, so it never repaints once it is there.
Williams used them with the alligator and the awesome oscillator. Compare with the 20-bar high and low of the Donchian channel, and size the trade with its stop beyond the fractal with the position size calculator.
Not advice. Arithmetic on the bars you type; an indicator describes the past bars, not the next one.
Next tools
Donchian channel calculator
Breakout highs and lows from bars.
Awesome oscillator calculator
Momentum from bar midpoints.
Pricing
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Baroq never holds your money and never trades for you. Educational only, not financial advice; trading involves risk.