CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage.
76.6% of retail investor accounts lose money when trading CFDs with this provider.
You should consider whether you understand how CFDs work and whether you can afford to take the high risk of losing your money.

Spreads and margins hero
Events impacting spreads
Opening and closing of markets
Major international or geopolitical events.
Margin calculations by sub-account type

Margin calculations are different, depending on whether you are trading on your v20 sub-account or your OANDA One sub-account. To better understand this, the below examples, illustrate these differences, inclusive of the potential impact around margin close out.

Margin calculation examples
In these hypothetical examples, we use sample values that may not reflect the current prices or margin rates.

Example 1

Let’s assume that you have two sub-accounts with a balance of GBP 50,000 on each and the EUR/GBP margin rate is 3.33333%.

You buy 1 million units in EUR/GBP on both your v20 account and your OANDA One account at the same time and same price. When you place the order, the EUR/GBP market price is 0.8566 / 0.8568 so you buy EUR/GBP at 0.8568.

Immediately after making the trade:

Bid Mid  Offer
v20 sub-account OANDA One sub-account
v20 sub-account OANDA One sub-account

Note: At the point of trade opening, both sub-accounts act in a very similar way, except for the different representations for margin % and the different rate used for home currency conversion.

Some time later:

Bid Mid Offer

EURGBP has dropped in price by 30 pips.

v20 sub-account OANDA One sub-account
v20 sub-account OANDA One sub-account

Note:

  1. On the OANDA One sub-account, the initial margin amount (in Home currency units) is static, i.e. the margin amount reserved when you open the position stays constant throughout the life of the position.
  2. v20 sub-accounts use only mid-rates in all UPL and conversion calculations for margin purposes. OANDA One sub-accounts use relevant sided-rates in all UPL and conversion calculations.

Later still, after the market has moved significantly against you:

Bid Mid Offer

EUR/GBP has dropped in price by some 350+ pips.

v20 sub-account OANDA One sub-account
v20 sub-account OANDA One sub-account
Conclusion

The amount of Margin needed to hold the position open (Margin) remains constant throughout the life of the trade in the OANDA One sub-account. In the v20 sub-account, the amount of margin needed (Margin_Used) is dynamic since it increases or decreases as conversion rate changes.

All calculations relevant for margin purposes for the OANDA One sub-account use appropriately sided market prices (so are affected by spread changes even if there is no change in mid-price). Calculations for the v20 sub account always only use mid-prices.

Different Margin Closeout (MCO) methodology between OANDA sub-account types

A margin closeout event is initiated:

in v20 sub-accounts, when the Margin Close-Out Percentage increases to 100% or higher.

in OANDA One sub-accounts, when the Margin Coverage Percentage decreases to 50% or lower.

A Margin Closeout event results:

in v20 sub-accounts, a FULL liquidation of all open positions and cancellation of any contingent orders on those positions. Orders not linked/related to the liquidated trades remain active.

in OANDA One sub-accounts, liquidation of the single trade with the largest loss, repeatedly, until the Margin Coverage Percentage exceeds 50%. This iterative process can result in a PARTIAL liquidation of a portfolio of open positions. Also, pending orders that are not directly related to an open trade that is closed, remain active.

Note: If a market in an underlying Instrument is closed or halted, those open trades will be skipped during the MCO process since they cannot be liquidated at the time.

^Subject to meeting our criteria. Additional information/documentation may be requested prior to account activation to establish eligibility.

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Frequently asked questions

How do market events and weekends impact margin?

Price volatility and changes in global market liquidity can result in large spread increases around market openings and closings, following news announcements, and during times of uncertainty. At such times, our spreads usually widen to reflect market conditions. However, there may be occasions during which we opt to implement a fixed spread rather than allowing a spread to continue to widen.

If you leave trades open during the weekend or before markets close, or in the event that a particular market is suspended, you cannot close them until the markets reopen. Note that prices may change significantly or "gap" when trading resumes. If prices move against you, a margin closeout may be triggered when trading resumes if you have insufficient funds on your account to support your trading.

Spreads (the difference between the bid price and the ask price) typically widen just prior to closure of the markets and when they open, to reflect decreased liquidity in the global markets. These widened spreads could trigger stop-loss orders or margin closeouts when a position is open at this time.