Published 2025-08-22 — Updated on 2025-08-22
Versions
- 2025-08-22 (2)
- 2025-08-22 (1)
Keywords
- Broker Summary,
- Speculative Trading,
- Islamic Capital Market,
- Gharar,
- Tadlis
Copyright (c) 2025 Syahsyah Barrun Adiviasari (Author)

This work is licensed under a Creative Commons Attribution 4.0 International License.
Abstract
The rapid development of digital trading tools, particularly broker summary features, has significantly influenced decision-making behavior among Muslim investors in the Indonesian Stock Exchange (IDX). While broker summaries offer real-time data and perceived reliability, their dominant use in trading raises ethical questions under Islamic economic law. This study investigates the compatibility of broker summary–based decision-making with the principles of Sharia, focusing on elements such as gharar (uncertainty), tadlis (misrepresentation), and speculative behavior. Using a normative-empirical legal research approach, the study draws on interviews with investors, Islamic legal norms, and DSN-MUI Fatwa No. 135/2020. Findings show that broker summaries may be considered a permissible wasilah (instrument) when used to support rational analysis but become problematic if treated as an ‘illah (cause) of speculative trading. The study contributes to the growing discourse on ethical boundaries in Islamic capital markets and recommends regulatory, educational, and doctrinal measures to ensure Sharia compliance in digital investment practices.
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