The MARKET Act of 2026 mandates the Secretary of Agriculture, in coordination with the U.S. Trade Representative, to produce an annual report assessing the United States' reliance on exporting specific agricultural commodities to foreign adversaries. This report aims to identify potential risks and vulnerabilities associated with these export markets, particularly concerning trade disruptions or military conflicts. Each annual report must detail current and potential market access for covered exports, such as soybeans, corn, beef, and dairy , that could be exploited by foreign adversaries. It will also provide recommendations to reduce dependency on these markets and identify alternative, nonadversarial countries for increasing agricultural exports. Furthermore, the assessment will address risks posed by foreign adversaries in nonadversarial markets and suggest strategies to counter them. The bill defines "foreign adversary" to include those identified by the Secure and Trusted Communications Networks Act, plus any country the Secretary determines poses a significant threat to U.S. national security or resident safety. Information collected for these assessments from private entities will be voluntary, aggregated for public release, and protected as confidential. The reporting requirement will terminate once the Secretary determines that relevant export markets have become sufficiently diversified, ensuring the long-term security and stability of U.S. agricultural trade.