RWEM yields 2.24% · MRK yields 2.76%● Live data
📍 MRK pulled ahead of the other in Year 1
Combined, RWEM + MRK cover 0 of 12 months — good coverage
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RWEM tracks a selection of large-cap emerging markets stocks chosen using various factors and optimized through machine learning models. The model employs over 100 market-level, fundamental, and technical signals from 12 major factor categories. Constraints are applied to limit stock concentration and industry exposure relative to the FT Wilshire Emerging Large Cap Index. The index construction consists of three steps: risk-adjusted returns estimation, covariance matrix estimation, and mean tracking err optimization. The index is reconstituted quarterly. The data used for estimating stock risk-adjusted returns and the covariance matrix is based on the month-end figures from the month prior to the reconstitution. Before Dec. 19, 2025, the fund was an actively managed fund named Rayliant Quantamental Emerging Market ex-China Equity ETF (RAYE).
Full RWEM Calculator →Merck & Co., Inc. operates as a healthcare company worldwide. It operates through two segments, Pharmaceutical and Animal Health. The Pharmaceutical segment offers human health pharmaceutical products in the areas of oncology, hospital acute care, immunology, neuroscience, virology, cardiovascular, and diabetes, as well as vaccine products, such as preventive pediatric, adolescent, and adult vaccines. The Animal Health segment discovers, develops, manufactures, and markets veterinary pharmaceuticals, vaccines, and health management solutions and services, as well as digitally connected identification, traceability, and monitoring products. It serves drug wholesalers and retailers, hospitals, and government agencies; managed health care providers, such as health maintenance organizations, pharmacy benefit managers, and other institutions; and physicians and physician distributors, veterinarians, and animal producers. The company has collaborations with AstraZeneca PLC; Bayer AG; Eisai Co., Ltd.; Ridgeback Biotherapeutics; and Gilead Sciences, Inc. to jointly develop and commercialize long-acting treatments in HIV. Merck & Co., Inc. was founded in 1891 and is headquartered in Kenilworth, New Jersey.
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⚠️ Educational purposes only. Not financial advice. Congressional trades sourced from SEC STOCK Act filings via FMP. Past performance does not guarantee future results.