Group 1 - The core viewpoint is that individuals trading overseas stocks are required to declare and pay taxes on their capital gains as per Chinese tax law [1][2] - Capital gains from stock trading are classified as property transfer income, which is subject to individual income tax for residents [1] - The applicable tax rate for various income types, including capital gains, is set at 20% according to current tax regulations [1] Group 2 - In practice, losses can offset gains within the same year for overseas income, but cannot be carried over to subsequent years [2] - Only stock transfers through the Shanghai-Hong Kong Stock Connect and Shenzhen-Hong Kong Stock Connect are exempt from taxes, while other overseas stock transfers do not enjoy tax benefits [2] - Taxpayers are advised to comply with tax department notifications and rectify any underreported income to avoid penalties, including late fees and potential investigations [2]