Maslahatul Khaerat, Muhammad Fahmuddin S and Mar’ah, Z. 2026. Comparison of Methods Fuzzy Time Series Chen And Fuzzy Time Series Cheng On the Closing Price Forecast of PT Bank Central Asia Tbk (BBCA) Shares. VARIANSI: Journal of Statistics and Its application on Teaching and Research. 8, 02 (Oct. 2026), 221-236. DOI:https://doi.org/10.35580/variansiunm531.