Mosanawe, L. and Makatjane, K. 2025. Dynamic Volatility and Tail Risk in BTC, BWP, and ZAR Exchange Rates: Bayesian SARMA-GARCH with Skewed Error Distributions. Statistics, Optimization & Information Computing. (Dec. 2025). DOI:https://doi.org/10.19139/soic-2310-5070-2883.