---
title: Can I trade preferred stock and class shares? How do I enter orders for preferred stocks? Class shares?
description: You can trade both preferred stock and class shares. There is not a standardized format for preferred or class shares. As a result, you will see these shares being formatted in two possible ways. For
---

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# Can I trade preferred stock and class shares? How do I enter orders for preferred stocks? Class shares?

You can trade both preferred stock and class shares. There is not a standardized format for preferred or class shares. As a result, you will see these shares being formatted in two possible ways. For preferred shares, you will generally see them formatted as AIGpA or BACpL with the lower case “p” denoting “Preferred.” Class shares are generally formatted with a period followed by the class. For example, Berkshire Hathaway Class B shares would be formatted as BRK.B

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