At a glance
Contested: This record includes matters on which scholars differ. The speaker's views are labelled as his, and other views are marked where no cited source yet exists.
Summary
A modern question: money placed in bank and post-office savings funds, or used to buy investment certificates, earns its owners a profit fixed in advance; is that profit forbidden riba or lawful? Ahmad Shalabi treats it in al-Iqtisad fi al-Fikr al-Islami, noting that Muslims dealing in this way number in the hundreds of millions, so the subject must be studied carefully and repeatedly. 1
The views
Shalabi on the disagreement
Shalabi holds that disagreement where there is no text is natural, citing Zayd ibn Thabit (may God be pleased with him)'s reasoning on the mother's inheritance, that the plurality of schools is a blessing that should not turn into conflict, and that asking everyone to agree on one ruling is asking the impossible. 8 9 He says Islam "is not run by academies" as some religions are; Islamic thought welcomes consensus where possible but gives the deeply learned Muslim the right to independent reasoning, for which he cites the hadith of Mu'adh ibn Jabal. 9 He describes categorical prohibition as disrespectful of others' views and quotes Shaykh Abd Allah al-Mashadd that a Muslim may choose either view without blame. 3 These are the author's views; the museum reports them as his and does not choose between the positions.
Opinions on the question
The question: The ruling on a return fixed in advance on money deposited in banks, savings funds and investment certificates.
First opinion · Sunni tradition (the museum's frame) · Sunni: the prohibiting view, as Shalabi reports itMain reference
More opinions (1)
Sunni tradition (the museum's frame) · Sunni: the permitting view, Shalabi's and those he citesMain reference
Connections
People and things also explored
Usury (riba)· Ahmad Shalabi (historian)· al-Iqtisad fi al-Fikr al-Islami (Economics in Islamic Thought)· Al-Madina Souq, Aleppo· Bazaar of Tabriz· Khan el-Khalili· Al-Hamidiyah Souq· Souq Waqif
Sources
- Ahmad Shalabi, al-Iqtisad fi al-Fikr al-Islami (Mawsu'at al-Hadara al-Islamiyya 4, 10th ed., 1993) , p.123
- Ahmad Shalabi, al-Iqtisad fi al-Fikr al-Islami (Mawsu'at al-Hadara al-Islamiyya 4, 10th ed., 1993) , p.140
- Ahmad Shalabi, al-Iqtisad fi al-Fikr al-Islami (Mawsu'at al-Hadara al-Islamiyya 4, 10th ed., 1993) , p.141
- Ahmad Shalabi, al-Iqtisad fi al-Fikr al-Islami (Mawsu'at al-Hadara al-Islamiyya 4, 10th ed., 1993) , p.13
- Ahmad Shalabi, al-Iqtisad fi al-Fikr al-Islami (Mawsu'at al-Hadara al-Islamiyya 4, 10th ed., 1993) , p.142
- Ahmad Shalabi, al-Iqtisad fi al-Fikr al-Islami (Mawsu'at al-Hadara al-Islamiyya 4, 10th ed., 1993) , p.144
- Ahmad Shalabi, al-Iqtisad fi al-Fikr al-Islami (Mawsu'at al-Hadara al-Islamiyya 4, 10th ed., 1993) , p.145
- Ahmad Shalabi, al-Iqtisad fi al-Fikr al-Islami (Mawsu'at al-Hadara al-Islamiyya 4, 10th ed., 1993) , p.124
- Ahmad Shalabi, al-Iqtisad fi al-Fikr al-Islami (Mawsu'at al-Hadara al-Islamiyya 4, 10th ed., 1993) , p.125
Cite this page
islam.museum contributors. “Is the fixed return on investment certificates and savings deposits riba?”. islam.museum, https://islam.museum/en/questions/shahadat-al-istithmar/. CC BY-SA 4.0. Last updated 2026-11-04.
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