Forex Equity Moves Before Balance Changes

Account equity changes with every marked price while balance can remain unchanged until a trade closes. This is why a profitable-looking balance can coexist with a weak margin level and an approaching liquidation risk.

The basic relationship is:

Equity = Balance + Floating profit or loss

Depending on the platform, credits, fees and accrued financing may also enter the displayed calculation. The account statement and symbol specification determine the exact treatment.

A simple account snapshot

The table is an illustration, not a recommended buffer. If the floating loss widens to $5,500 while used margin stays at $3,000, equity falls to $4,500 and the margin level to 150%. Nothing has changed in balance because no position has closed, yet the account is materially weaker.

Septembers policy week made this distinction visible. The Fed raised rates, the BOE held, and the BOJ raised rates while the yen still weakened. A portfolio built on several rate-hike assumptions could show large floating changes before any trade was realized.

The correct dashboard starts with equity, used margin, free margin and concentrated currency exposure. Balance belongs on the screen, but it cannot describe the current risk alone. Traders should also know whether the platform marks positions at bid, ask or another valuation price.

Position sizing should use current or stressed equity, not the highest recent balance. A deposit made yesterday is not a permanent risk budget if open positions have already consumed part of it through floating loss.

OANDA’s September FX analysis supplies the market context behind large intraday changes. RF Channel’s margin-call explainer shows how those changes can flow into margin status.

The conclusion follows the accounting. Balance records closed results. Equity measures the account now. Any decision about new exposure, withdrawal or margin safety should begin with the second number.

Sources

• FCA Handbook: net equity and margin close-out
• Federal Reserve: marking retail forex positions to market
• CFTC: retail OTC forex advisory
• Bank of Japan: September policy statements

The example ignores commissions and financing for clarity.