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CMC boundary orders versus limits and stop entries

Understand when CMC UK's boundary range can reject an order, and distinguish that execution filter from a limit price or a guaranteed exit instruction.

On this page 4 sections

Define the price objective

A buy limit seeks execution at or below its limit; a sell limit at or above. CMC states price control does not guarantee the order will fill.

Sources for this section
Limit price may remain unfilled; Boundary can reject execution; Entry filter is not an exit stop
CMC UK Next Generation documentation, 27 Oct 2026; not worldwide availability. Open full-size diagram
Diagram explained

Check the recorded terms before acting

  1. Limit price may remain unfilled
  2. Boundary can reject execution
  3. Entry filter is not an exit stop

Boundary means possible rejection

On the UK execution page, boundary ranges apply to market and stop-entry orders. An execution price outside the specified range results in rejection rather than an assured fill.

Sources for this section

Use a hypothetical decision

Suppose a permitted buy range ends at 101 and the next executable price is 102. Rejection protects the selected entry constraint but leaves no position; it is not a profitable fill.

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Keep exit controls separate

A boundary is an entry execution filter, not a GSLO attached to an open trade. Check pending-order duration and any attached stop separately before confirming.

Sources for this section
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Sources and scope

Sources are provider publications. Conditions may vary by entity, country, account and program. Recheck before signing up.

  1. www.cmcmarkets.com — official documentation
  2. www.cmcmarkets.com — official documentation
  3. www.cmcmarkets.com — official documentation

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