Is the Invesco Dow Jones Islamic Global Developed Markets UCITS ETF (IGDA) Halal? A Fund That Never Pays a Dividend, a Divisor Averaged Over 24 Months, and South Korea Counted Twice: A Sharia Analysis for Muslim Investors (2026)

Author: Zaid Alissa, CTO and Halal Finance Researcher | Published: September 2026 | Updated: September 2026

Nine of the ten funds in this series pay their holders something. IGDA does not. It is an accumulating share class: the income the underlying companies generate is reinvested into the net asset value and nothing reaches your bank account until you sell.

For most investors that is a tax convenience. For a Muslim it is a fiqh problem, because the standard formulation of the purification duty is about the impure proportion of a dividend, and this fund pays no dividend. The impure component is not received and kept. It is capitalised into the price and it compounds.

That is the first of three things this article establishes. The second is that the Dow Jones Islamic screen uses a divisor no other rulebook in this series uses, a market capitalisation averaged over 24 months, and that this can change a company's answer by twenty percentage points. The third is a portfolio trap: South Korea sits inside this developed markets fund at 3.17 percent and inside the emerging market Islamic fund at 34.30 percent, because the two index families classify the country differently.

What IGDA Actually Is

Item	Value
Full name	Invesco Dow Jones Islamic Global Developed Markets UCITS ETF Acc
ISIN	IE000UOXRAM8
London ticker	IGDA, quoted in US dollars
Domicile and structure	Ireland, open ended investment company, UCITS
Inception	7 January 2022
Index	Dow Jones Islamic Market Developed Markets Index
Total expense ratio	0.40 percent a year
Fund size	EUR 964 million
Holdings	1,354 as of 30 July 2026
Replication	physical, full replication
Distribution policy	accumulating, no distributions
Securities lending	none
Custodian	BNY Mellon Trust Company (Ireland) Limited
One year volatility in EUR	13.33 percent

Fund facts from the justETF profile for IE000UOXRAM8, retrieved 4 September 2026. On 3 September 2026 stockanalysis.com reported 1,495 holdings and 833.12 million dollars of assets for the London line, with a one year return of 27.32 percent.

The top ten are 38.10 percent of the fund: Apple 8.06, NVIDIA 7.75, Microsoft 4.71, Amazon.com 3.69, Alphabet class A 3.12, Broadcom 2.95, Alphabet class C 2.51, Meta Platforms 2.12, Micron Technology 1.66 and Eli Lilly 1.53. Those add to 8.06 plus 7.75 plus 4.71 plus 3.69 plus 3.12 plus 2.95 plus 2.51 plus 2.12 plus 1.66 plus 1.53, which is 38.10.

That is the least concentrated fund in this series by a wide margin. Against the Wahed FTSE USA Shariah ETF at 58.02 percent in its top ten, IGDA is 58.02 minus 38.10, that is 19.92 percentage points lower; against the SP Funds S&P 500 Sharia Industry Exclusions ETF at 56.47 percent it is 56.47 minus 38.10, that is 18.37 points lower. Holding 1,354 names rather than a couple of hundred is what does it.

By country the fund is 75.44 percent United States, 4.67 percent Japan, 3.17 percent South Korea, 2.76 percent Switzerland and 13.96 percent elsewhere. By sector it is 51.63 percent technology, 11.94 percent healthcare, 8.98 percent consumer non cyclicals, 8.57 percent industrials and 18.88 percent everything else.

The Fund That Pays Nothing

Allah says in Surah Al-Baqarah, verse 275:

وَأَحَلَّ اللَّهُ الْبَيْعَ وَحَرَّمَ الرِّبَا

"But Allah has permitted trade and has forbidden interest [riba]." (Saheeh International)

Every screened index tolerates some impure income. The Dow Jones rule is that income from impure sources "cannot exceed 5% of revenue". What happens to that remainder is the purification question, and the classical answer assumes a payment.

Mufti Taqi Usmani, in "Principles of Shari'ah Governing Islamic Investment Funds", requires that the proportion of impure income in the dividend paid to the shareholder be given in charity and not retained by him. Read that sentence against an accumulating fund. There is no dividend paid to the shareholder. The company level income still exists, the fund still receives it, and it is reinvested into the net asset value, where it raises the price of your shares and then earns a return of its own.

So the investor who does nothing is not keeping an impure dividend. He is compounding one.

Two positions follow and both are held seriously.

The first says the obligation attaches to income received. An investor who receives nothing owes nothing until he sells, and at that point the impure component sits inside his capital gain and should be estimated and given away then. This reading fits the literal words about a dividend and postpones the calculation to a single event.

The second says the obligation attaches to the investor's proportionate share of impure income as it arises. On this reading an accumulating fund needs an annual estimate and an annual payment, because the money has been earned and retained on the investor's behalf whether or not it passed through his hands.

The second is the more demanding and, on the underlying logic that impure income must not benefit the Muslim, the more coherent. The first is closer to the literal formulation. This article maps both and does not choose.

What makes either hard to discharge is the same fact: neither Invesco nor S&P Dow Jones Indices publishes a purification figure for this fund that could be found for this article. Compare the SP Funds S&P 500 Sharia Industry Exclusions ETF, which publishes a computed factor every quarter, or the Wahed FTSE USA Shariah ETF, which publishes a flat rate file going back to launch. An IGDA holder has neither a figure nor a distribution to apply one to, and has to estimate both. You can at least apply the AAOIFI income test to individual holdings with our stock screener.

The Dow Jones Screen, and a Divisor Nobody Else Uses

The rules come from S&P Dow Jones Indices, Dow Jones Islamic Market Indices Methodology. The edition read for this article is the March 2019 one; the current edition sits on spglobal.com, which returns an HTTP 403 to automated requests, so the post cites the edition it could actually read and says so.

Governance first. S&P Dow Jones Indices "has contracted with Ratings Intelligence Partners (RI) to provide the Shariah screens", and RI's researchers "work directly with a Shariah Supervisory Board". The methodology describes that board as composed of "eminent Shariah scholars from around the world" and says the geographic diversity "helps to ensure that diverse interpretations of Shariah law are represented". That is a considered structure, and the acknowledgement that scholars differ is refreshingly candid for an index document.

The business screens exclude alcohol, tobacco, pork related products, conventional financial services, weapons and defence, and entertainment, which the methodology defines as including "hotels, casinos/gambling, cinema, pornography, music". Two carve outs matter. Financial companies are eligible "if the company is incorporated as an Islamic Financial Institution, such as: Islamic Banks, Takaful Insurance Companies", and real estate companies are eligible "if the company's operations and properties are conducting business according to Shariah principles".

Then the accounting screens, and here is what makes this rulebook distinctive. "All of the following must be less than 33%": total debt divided by trailing 24 month average market capitalisation; the sum of cash and interest bearing securities divided by trailing 24 month average market capitalisation; and accounts receivables divided by trailing 24 month average market capitalisation. A stock that breaches stays compliant if it is within two percentage points of the maximum, unless it breaches for three consecutive evaluation periods, and is out immediately if it is beyond the two point buffer.

Set that against the other three rulebooks in this series:

Rulebook	Debt divisor	Debt threshold
AAOIFI	market capitalisation	30 percent
MSCI Islamic Index Series	total assets	33.33 percent, entry buffer 30.00, exit buffer 35.00
FTSE Yasaar	total assets	less than 33.333 percent
Dow Jones Islamic Market	trailing 24 month average market capitalisation	less than 33 percent, with a two point buffer

AAOIFI's thresholds are as Mufti Faraz Adam sets them out in "Making Sense of the 30% Rule in Islamic Finance" (Amanah Advisors, 14 December 2020), and AAOIFI Shari'ah Standard No. 21 on Financial Paper is the standard behind them.

Averaging over 24 months is a deliberate choice with a real effect, and the effect is easiest to see in a company whose share price has just collapsed. Take one with 30 billion dollars of interest bearing debt whose market capitalisation stood at 200 billion for the first 18 months of the window and then fell to 80 billion for the last 6.

AAOIFI measures against today's market capitalisation of 80 billion: 30 divided by 80 is 0.375, that is 37.5 percent, against a 30 percent limit. The company fails.
Dow Jones measures against the 24 month average, which is 200 times 18 plus 80 times 6, all divided by 24, that is 3,600 plus 480 divided by 24, which is 4,080 divided by 24, or 170 billion. So 30 divided by 170 is 0.17647, that is 17.65 percent, against a 33 percent limit. The company passes comfortably.

Same company, same debt, same day, 37.5 percent against 17.65 percent. The threshold numbers, 30 and 33, are almost identical and are not what is deciding the answer. The divisor is.

Whether smoothing is the right choice is a judgement, and there is something to say on both sides. A smoothed denominator does not throw a sound company out of the index because the market panicked for a quarter, and it does not admit an over borrowed one because the market got excited. It also means the index can be holding, for up to two years, a company whose current leverage no longer passes AAOIFI's test on today's prices.

The Gharar Question

AAOIFI Shari'ah Standard No. 31 on Controls on Gharar in Financial Transactions asks whether the object of the contract is adequately knowable, and here the answer is mixed for a reason that is not the provider's fault.

The screen itself is documented properly, with a named screening contractor, a supervisory board and a published rulebook. What an ordinary investor cannot do is read the current version of that rulebook without an account, because the index provider's site refuses automated access. Ferri's standard is that "Detailed rules for index creation and maintenance should be published in the public domain" (The ETF Book, 2008, p. 125), and a document that exists but cannot be fetched sits awkwardly against it.

The fund's own disclosure is good. Full replication rather than sampling means the holdings are the index; justETF records securities lending as none; the custodian, administrator and auditor are all named.

The Maysir Question

Nothing in the structure. Long only, physically replicated developed market equities, no derivatives, no leverage, no short positions. Ferri's warnings about leveraged and inverse products (p. 248) do not apply.

The behavioural risk is ordinary, and an accumulating fund is if anything a mild defence against it, since there is no income event to prompt a decision.

South Korea, Twice

This one is a portfolio error rather than a fiqh error, and it is easy to make.

South Korea is 3.17 percent of IGDA, which tracks a developed markets index. South Korea is 34.30 percent of the iShares MSCI EM Islamic UCITS ETF, which tracks an emerging markets index. Both figures come from the same justETF snapshot of 30 July 2026. S&P Dow Jones Indices treats the country as developed; MSCI treats it as emerging.

A Muslim who buys IGDA for his developed exposure and the MSCI emerging market Islamic fund for the rest therefore owns Korea in both sleeves and has no idea he does. Ferri put the rule plainly: "Ensure that you know which index each ETF follows so that you will not have redundant country exposure" (p. 218). Our portfolio design article works through how to build the sleeves so they do not overlap, and if part of your allocation is in digital assets the crypto screener applies the same discipline there.

Ferri's Framework Applied

Cost. 0.40 percent against the unscreened iShares Core MSCI World UCITS ETF at 0.20 percent. The gap is 0.40 minus 0.20, which is 0.20 percentage points, or 10,000 times 0.0020, that is 20 pounds a year on a 10,000 pound holding. Against Ferri's averages of 0.21 percent for market index ETFs and 0.51 percent for custom index ETFs (p. 200), IGDA sits 0.19 points above the first and 0.11 points below the second.

Replication. Full replication with 1,354 holdings. Ferri treats sampling as a source of manager discretion and tracking error (pp. 78 to 79); this fund takes none of it, and it is the widest portfolio in this series.

Age and size. Launched 7 January 2022, the youngest fund covered here. Ferri's caution about short track records (p. 152) and his point that "There is a critical level of assets needed to make a fund profitable" (p. 33) both apply, though at EUR 964 million the fund is well clear of the danger zone.

Index type. Screened selection with capitalisation weighting, which is a custom index on Ferri's grid (p. 127, p. 134), so his cautions about disclosure and concentration apply, as does his finding that there is "no academic evidence to indicate that screening securities will improve market performance in the long-term after adjusting for portfolio risk" (p. 146).

Where Scholars Differ

Purification in an accumulating fund, set out above. The obligation on receipt against the obligation on accrual. Neither is a fringe view and the fund publishes nothing that would help discharge either.

The 24 month divisor. It is neither AAOIFI's spot market capitalisation nor a total assets measure. No AAOIFI standard and none of the named scholars has published a ruling declaring it invalid, and S&P does not claim AAOIFI conformity for its Islamic indices. What the worked example above shows is that the choice is not cosmetic: it moved one company from 37.5 percent to 17.65 percent on the same balance sheet.

The financial carve out. Dow Jones admits Islamic banks and takaful operators explicitly, and admits real estate companies whose operations are conducted according to Sharia principles. MSCI has a similar exemption for Islamic financial institutions. FTSE's Yasaar opinion instead excludes "conventional banking, insurance or any other interest-based financial services activity", which reaches the same place by a different route. Whether a screened index should hold any financial institution at all is a question on which the rulebooks agree more than some investors do.

Practical Guidance

Decide your purification position before you buy an accumulating fund, not after. If you hold the accrual view, you need an annual estimate, and the provider does not give you one. If you hold the receipt view, you need to remember the calculation years later when you sell, which in practice means writing it down now.

Do not pair this fund with an MSCI emerging market Islamic fund without checking Korea. It is 3.17 percent here and 34.30 percent there.

Notice what the low concentration buys you. At 38.10 percent in the top ten this is the most diversified screened equity fund in this series, and diversification is the one risk control a screen cannot provide.

Read the buffer rules, not just the thresholds. A company can sit in this index for up to three evaluation periods while breaching by up to two percentage points.

Price the screen at 20 pounds a year on 10,000 against the cheapest unscreened world tracker. That is the smallest screening premium of any fund in this series, and it is worth knowing when someone tells you compliance is expensive.

Conclusion

IGDA is the best diversified and among the cheapest of the ten funds covered in this series, it replicates its index in full, it lends nothing, and the screen behind it has a named contractor and a supervisory board that publicly acknowledges scholars differ.

Two things a buyer must go in knowing. The fund never distributes, which turns purification from a quarterly arithmetic exercise into an unresolved question with no published figure to work from. And the screen measures debt against a market capitalisation averaged over two years, which on the worked example above put a company at 17.65 percent where AAOIFI's spot measure put it at 37.5. Neither is a defect. Both are choices, and a Muslim buying the fund is buying the choices.

This article is educational and is not a fatwa. Consult a qualified scholar for a ruling on your own circumstances.

Frequently Asked Questions

IGDA pays no dividend. How do I purify?

There is no settled answer and no published figure from the provider. One position holds that the duty attaches to income received, so nothing is owed until you sell and the impure component is then estimated out of your gain. The other holds that it attaches to your share of impure income as it arises, requiring an annual estimate and payment. The second is more demanding; the first is closer to the classical formulation, which speaks of the proportion in the dividend.

Why does the Dow Jones screen use a 24 month average?

To stop a short lived price move deciding a company's compliance. Averaging the denominator over two years means neither a crash nor a rally immediately changes the ratio. The cost is that the index can hold, for up to two years, a company whose leverage against today's market capitalisation would fail AAOIFI's test.

How different can the two divisors be?

Materially. On a company with 30 billion dollars of debt whose market capitalisation was 200 billion for eighteen months and then 80 billion for six, AAOIFI's spot measure gives 30 divided by 80, which is 37.5 percent and a fail. The Dow Jones 24 month average is 170 billion, so 30 divided by 170 is 17.65 percent and a comfortable pass.

Why is South Korea in a developed markets fund?

Because S&P Dow Jones Indices classifies it as developed while MSCI classifies it as emerging. It is 3.17 percent of IGDA and 34.30 percent of the iShares MSCI EM Islamic UCITS ETF on the same 30 July 2026 snapshot. Holding both funds means owning Korea twice.

Is 0.40 percent good value?

It is the smallest screening premium in this series. The unscreened iShares Core MSCI World UCITS ETF charges 0.20 percent, so the gap is 0.20 percentage points, or 20 pounds a year on 10,000 pounds. Ferri puts the average custom index ETF at 0.51 percent, so IGDA is 0.11 points below its own category average.

Does the fund lend its shares?

No. justETF records securities lending as none for IE000UOXRAM8. Lending income would be an interest fee earned at fund level that no company screen would catch.

Is a 2022 launch too short a track record?

Ferri warns about funds with "very short track records" (p. 152) and about the asset level needed for a fund to survive (p. 33). At EUR 964 million and more than four years old, IGDA clears the practical concern about closure. What a short record cannot tell you is how the index behaves through a full cycle, and no amount of assets fixes that.