Definition of Flat (Square)
Having no open positions in the market. A trader who has closed all their trades and holds only their account balance is considered flat.
At a glance
Term
Flat (Square)
URL slug
flat-square
Category
General
Short answer
Having no open positions in the market.
Deep dives
Full A–Z glossary
Example
Apply the definition: restate “Flat (Square)” in one sentence tied to your next trade (symbol, direction, size, stop). If you cannot, re-read the definition above.
Common mistake
Common mistake: using “Flat (Square)” as loose slang while your broker/platform specification defines it more narrowly.
Professional tip
Tip: bookmark this “Flat (Square)” page and reopen it when reading broker specs so definitions stay consistent.
Practice tools:
Related terms
FAQ
Having no open positions in the market.
Knowing the precise definition of “Flat (Square)” prevents platform and broker-spec mistakes—a common source of size and cost errors.
Common mistake: using “Flat (Square)” as loose slang while your broker/platform specification defines it more narrowly.