Parabolic SAR: what's it actually good for?

The Parabolic SAR trails price with accelerating dots that flip sides on reversals. It's a trailing-stop tool at heart, and as an entry signal it whipsaws badly in ranges.

How do you use it?

• the role SAR plays in your plan
• the settings that fit your pairs
• the whipsaw that convinced you of its limits

The ATR guide covers the more robust trailing alternative.