Is Telephone & Data Systems (TDS) stock Halal?

Telephone & Data Systems is a diversified telecommunications company that provides a wide array of communication services. Its primary function is to offer both wireless and wireline services, catering to individual consumers as well as business entities. Key features of its offerings include high-speed internet, voice services, and data solutions that support an increasingly digital economy. The company operates across several sectors, significantly impacting rural and suburban regions where it provides vital connectivity solutions. Before any of that matters to a Muslim investor, one question comes first: is Telephone & Data Systems stock Halal?

Is Telephone & Data Systems Shariah compliant?

No. In the October 2026 screening Telephone & Data Systems (TDS) does not pass AAOIFI screening: it fails the non-permissible income and interest-bearing investments screens. For a communications operator like Telephone & Data Systems, AAOIFI Shariah Standard No. 21 has little quarrel with the service itself; the scrutiny falls on how the network is financed. Towers, spectrum and satellites are typically funded with debt, which the standard tolerates only below 30% of market capitalisation, a ratio that moves with the share price.

Does Telephone & Data Systems pass the business activity test?

The activity screen is only part of the picture this month: Telephone & Data Systems currently fails the non-permissible income and interest-bearing investments screens, so the overall verdict is not compliant regardless of the business itself. The service itself, carrying calls and data, raises no Shariah objection; the scrutiny belongs to the debt financed network behind it.

Is Telephone & Data Systems' income Halal?

No. Telephone & Data Systems' income from impermissible sources currently exceeds AAOIFI's 5% revenue ceiling, which makes the stock non-compliant on this screen regardless of the others. The screen is reassessed monthly, so the status can change when new financial statements arrive.

Does Telephone & Data Systems meet AAOIFI's debt and investment ratio requirements?

Not in full. Interest bearing investments currently exceed the 30% cap, measured against a market capitalisation of $3.9B (market data as of 1 October 2026), while the other ratio stays within it. One breach is enough to fail the screening; the ratios are reassessed monthly under our Shariah Supervisory Board.

Why do other halal screeners show a different verdict for Telephone & Data Systems?

Screeners can disagree without either being wrong. AAOIFI Shariah Standard No. 21, which Tabadulat applies, measures interest bearing debt and investments against market capitalisation with a 30% ceiling. MSCI and FTSE measure them against total assets with a 33% ceiling, and S&P and Dow Jones Islamic use a multi year average of market capitalisation. Data dates differ too, because each provider reads filings and prices on its own schedule. The same company can therefore pass one standard and fail another in the same month. Tabadulat publishes one answer, the AAOIFI result as of October 2026, and re-screens it every month.

Tabadulat is an ADGM regulated brokerage whose license covers Shari'a Compliant Regulated Activities, as the FSRA permission names them. New to the terminology? Gharar and Maysir, Sukuk, Zakat and purification are all explained in plain English.

New to the screening method? Read AAOIFI Standards Explained: What Makes a Stock Halal?