“Behavioral Biases and Risk Appetite in The Era of Mobile Trading Apps: An Empirical Study of Retail Investors in Islamabad, Pakistan: Https: doi.org 10.5281 Zenodo.19438261”. Advance Journal of Econometrics and Finance, vol. 4, no. 2, Apr. 2026, pp. 34-40, https://doi.org/10.63075/bv06sr17.