Understanding Why ADR Stocks Have Bigger Price Gaps

by Roger Scott | Sep 17, 2026

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Here’s something that might surprise you…

I’d say roughly 75% of traders don’t understand American Depositary Receipts (ADRs). That’s a significant knowledge gap, and it can lead traders to misinterpret normal market behavior and panic out of perfectly good positions.

Let me break down something critical that’ll change how you look at certain stocks. When you see a stock labeled as an ADR — like Alibaba (BABA) or Novo Nordisk (NVO) — you’re trading a U.S.-listed security that represents shares of a foreign company.

The company’s home market often trades while the U.S. market is closed. By the time the ADR begins trading in the U.S., price changes from the home market may appear as an opening gap.

Whenever you see an ADR, you should expect the potential for bigger gaps at the open than most stocks because the home market’s day session can affect where the U.S.-listed security opens.

Why This Matters for Your Trading

Understanding this can save you from costly mistakes. Several years ago, I was trading an ADR around the Christmas holidays when it gapped against me. I got really nervous and exited the trade.

Then it hit me: The gap reflected normal price movement from the foreign market while the U.S. session was closed. Nothing had fundamentally changed with my thesis. I had simply forgotten how ADR pricing works and let the gap trigger an emotional decision.

If you see a larger-than-normal gap in an ADR, don’t automatically get freaked out. First determine whether the move came from the company’s home market, fresh news or a genuine change in the trade.

A gap alone isn’t necessarily a reason to panic.

How to Spot ADRs and Trade Them Confidently

When you pull up a stock quote or company profile, it’ll often identify the security as an ADR. Many traders don’t realize they’re trading one until they see unusually large gaps and start second-guessing their positions.

The key is recognizing what you’re working with upfront. ADRs can be fantastic trading vehicles, but they require an understanding of different market hours, currencies and overnight developments.

When the foreign shares and U.S.-listed ADR trade at different times, information can be reflected in one market before the other opens.

Once you understand that structure, those gaps become less mysterious. Don’t let a lack of knowledge force you out of a good trade. Know what you’re trading, understand the mechanics behind it and determine what caused the move before reacting.

I hope that helps!

Roger Scott
Roger Scott Trading

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