When using personal data for financial research, the key ethical considerations are maintaining strict data privacy, ensuring informed consent, and anonymizing datasets to protect individual identities against market manipulation or bias. In prop firm trading, data privacy also matters when handling personal verification documents, complying with KYC rules, and respecting confidentiality. Whether you are backtesting strategies under strict daily loss limits or evaluating historical metrics, keeping data practices secure and transparent builds trust. We would love to hear from our community members: how do you approach data privacy and ethical research in your own trading?