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Parabolic SAR

Parabolic SAR prints a trailing stop path that speeds up as a trend extends.

Indicator Guide
Trend
Chart Overlay
trailing stop

What it measures

Parabolic SAR prints a trailing stop path that speeds up as a trend extends.

Parabolic SAR creates a trailing path that accelerates with the trend. It is useful for trend management, but it whipsaws badly when price compresses.

Visual read

Parabolic SAR is shown as a chart overlay: candles remain the source of truth, while the line or zone frames bias, stretch, or invalidation.

138119100PriceParabolic SAR dotsTrailing stop dots accelerate with trend extension.Trailing stopFlip riskTimeConcept sketch only. CandleOps missions still resolve from real historical candle data.

Formula / construction

Parabolic SAR trail
SAR_next = SAR_current + AF * (extreme point - SAR_current)AF increases as the trend extends, up to a cap

Parabolic SAR creates a trailing path that accelerates with the trend. It is useful for trend management, but it whipsaws badly when price compresses.

How to read it in replay

Use Parabolic SAR as a trend management tool rather than a blind flip system. It is useful for asking whether the move is still accelerating cleanly.

Parabolic SAR belongs in the bias layer. It helps decide whether the market is trending cleanly, losing control, or chopping too much for a confident deployment.

What confirms the read

It works best when the market is already trending and you want a visual trailing invalidation.

Confirmation should be visible before the trade starts. If the indicator says one thing and raw candles reject that story, skip the mission or record it as a conflicted setup.

Default parameters in CandleOps

Acceleration-based trailing stop

Replay drill

  1. Open a block of 10 to 20 missions and allow Parabolic SAR to answer only one question: bias, timing, volatility, or participation.
  2. Before clicking Start Mission, write one sentence explaining what Parabolic SAR says and one sentence explaining what raw price must do to confirm it.
  3. Keep virtual risk stable for the whole drill so the review measures decision quality rather than random sizing.
  4. After each mission, grade the Parabolic SAR read as clean, early, late, conflicted, or irrelevant, then compare that grade with the payout and the revealed candles.

Failure modes and risk notes

In chop, Parabolic SAR can whipsaw relentlessly.

Because Parabolic SAR sits on the price chart, the common trap is treating a touch, cross, or flip as automatic permission. The safer rule is price first, indicator second, execution last.

The indicator should change the decision process, not decorate it. If it does not affect direction, invalidation, target placement, or the decision to skip, remove it from the active tactical handbook for that drill.

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