My A-Line Setup Strategy: Why Pullbacks From Swing Highs Have the Best Odds

by Roger Scott | Sep 28, 2026

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I’ve been trading Apple (AAPL) heavily over the past couple of days, and it’s got me thinking about one of the most common mistakes I see traders make when identifying A-line setups.

I get a lot of emails from traders who send me charts thinking they’ve found a solid A-line setup. Technically, they’re right — it is an A-line pattern. The problem is that they’re missing the most critical piece of the puzzle…

An A-line has to be a pullback from a swing high — not a secondary high, not a third high, but the actual swing high. When you see a stock make a high, then a lower high and another lower high, that’s a trap. It’ll sucker you in every time.

But when you catch a pullback from the true swing high, that’s where your odds are highest. That’s the setup worth taking.

Why the Swing High Matters

The swing high represents the point of maximum momentum before the stock takes a breather. If price pulls back from that level and holds support, you may be looking at a high-probability reentry point rather than a deteriorating pattern.

That distinction matters. When a stock pulls back from a secondary or third high, it’s already showing weakness. You’re not buying strength at a favorable level — you’re chasing a structure that’s losing momentum.

Volume can help confirm the difference. Look for high-volume candles near the swing high because they can reveal where institutional players stepped in. When price returns to support after that burst of participation, you have a clearer level to watch and a stronger technical case for the setup.

How to Trade the A-Line Setup

Once you’ve identified a proper A-line pulling back from a true swing high, wait for support to hold before entering. Don’t buy simply because the stock has declined. Let price confirm that buyers are defending the pullback level.

For example, when I was looking at AAPL recently, my entry was around $337.95. That wasn’t an arbitrary number — it was the pullback level where I wanted to see support hold before committing to the trade.

The target for an A-line is the previous swing high. That’s your roadmap: Buy the supported pullback and look for price to retrace toward the level where the move paused.

As long as relative strength is increasing, volume supports the move and price isn’t declining too much, you can stay with it. Don’t bail early just because the market gets choppy. If the structure remains intact, trust the setup.

This is the first thing I ever taught my team — if you’re going to trade pullbacks, make absolutely sure they’re coming from the highest point. Anything less sets you up for frustration.

The A-line works because it respects market structure. Find the true swing high, watch the volume, wait for support to hold and execute only when the odds are in your favor.

I hope that helps!

Roger Scott
Roger Scott Trading

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