A hypothecation agreement gives the broker-dealer the right to engage in which of the following...

Step by Step Explanation:

Hypothecation Agreement: Required for margin accounts, it authorizes the broker-dealer to use the customer's margin securities as collateral to secure loans for funding customer transactions.

Incorrect Options:

A: Sharing customer information is regulated under privacy rules (Regulation S-P).

B: Unauthorized trading violates securities laws.

C: Selling unpaid securities in cash accounts pertains to Regulation T, not hypothecation agreements.

References:

FINRA Margin Account Rules: FINRA Rule 4210.