Research

Desktop, web and mobile screens are not the same frontend

Written by WiT Markets EditorialReview Editorially reviewedLast reviewed

A desktop terminal, a browser and a phone application are frontends. They are not the venue, the clearing house or the data vendor. Speed and features depend on the whole path, not on the device alone.

Diagram for Desktop, web and mobile screens are not the same frontend
Editorial diagram for this note. It is not a data release and it does not plot a market price.

platform1 min readmulti asset

Key points

  • The screen is not the exchange and not the broker’s books.
  • A feature on one frontend can be missing on another frontend of the same firm.
  • No device is universally faster. The path includes connectivity, routing and the venue.

What is going on

Traders give an instruction through software. That software talks to the broker’s systems. Those systems send an order to a venue or, for a bilateral product, hold the other side. Market data may come from the venue, from a vendor, or from the broker’s own prices. A charting package can be a fourth firm. Confusing those layers makes a screenshot look like market access.

Why it matters

Desktop software often exposes more order types, layouts and exports. A browser can be enough for a listed-share account and useless for a specialised ladder. A phone can send an order and still hide the depth or the confirmations the desktop shows. None of that is a ranking of devices. It is a reason to test the frontend you will actually use.

What to watch

Check order types, data entitlements, export of fills, and what the application does when the network fails. Check them on the entity’s live or documented platform, not on a generic review.

Risks

Connectivity, the venue and the broker’s own controls can dominate any difference between devices. A marketing claim that one platform is faster is not a measurement.

What each layer can fail at

The frontend can freeze. The broker’s order gateway can reject or queue. The venue can halt. The data feed can lag the venue. Clearing and custody sit after the trade and do not repair a bad fill. A diagram that draws a single arrow from a phone to an exchange is leaving those breaks out.

Related

Sources and review

Written by: WiT Markets Editorial. Writes and structures WiT Markets pages. Separates a sourced fact from a cell that is Not confirmed.

Review: Editorially reviewed. This is not a qualified specialist review and it is not a legal sign-off.

Last reviewed: . Next review due . The date is an editorial pass. It is not a live check of every third-party fee.

Regulatory and official sources

Other sources

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Screens are not the same frontend | WiT Markets