RESEARCH OF MULTIPLE INVESTMENT STRATEGIES USING A SHORT AND LONG POSITION. International Journal of Innovative Technologies in Economy, [S. l.], n. 6(26), p. 3–6, 2019. DOI: 10.31435/rsglobal_ijite/30112019/6793. Disponível em: https://rspublisher.org/index.php/ijite/article/view/822. Acesso em: 17 mar. 2026.