What does notional funding mean?

The practice is long established in managed futures and CTA mandates, where an allocator wants a given exposure without immobilising the full amount in a trading account earning nothing.

It separates two decisions that are usually confused. Exposure is how much market risk you want the strategy to take. Funded capital is how much money you are prepared to lose pursuing it.

Notional value, also called the trading level or nominal account size, is the amount the strategy sizes its positions against. Funded value is the cash actually deposited at the broker. The funding ratio compares the two: $50,000 funded behind a $250,000 trading level is a 20% funding level, written 1:5.

The term is related to, but not the same as, the notional value of a single futures or forex contract, which is its contract size multiplied by price. Notional funding is about the account as a whole: how much exposure the deposit is asked to carry.

In a fully funded account, sometimes described as funded at net asset value, the cash at the broker equals the trading level. In a notionally funded account the strategy trades the same positions, but only part of that amount is deposited.

The trades are identical; what changes is the arithmetic on your deposit. At 1:5, a 2% gain on the trading level is a 10% gain on the funded balance, and a 2% loss is a 10% loss. Managed-futures disclosure documents commonly state performance on the nominal account size, so check which base a quoted return uses.

Whether a loss stops at what you fund depends on the broker's legal entity, its written terms, the jurisdiction and your client classification, and on whether negative balance protection applies. Where that protection is absent, trading losses can exceed the deposit and the broker may have a claim for the shortfall. Forced liquidation at the margin threshold is the mechanism that usually contains loss, but it is execution, not a guarantee: in price gaps or illiquidity it can fail.

It does not reduce the risk of the strategy itself. It concentrates that risk into a smaller balance. The same percentage move affects funded capital proportionally more, so a drawdown that would be uncomfortable in a fully funded account can exhaust a notionally funded one.

The broker will typically attempt to liquidate positions at the margin threshold, and the allocation ends. That liquidation is not guaranteed to execute at the threshold: a price gap can leave a negative balance, which becomes a debt to the broker unless your terms and jurisdiction provide negative balance protection. Confirm this in the broker's written terms before you deposit.

The access payment is a separate matter from the trading loss. It is 6.7% of the trading level, paid once and not refundable, so a $100,000 trading level funded with $25,000 commits $31,700 of initial cash before any broker costs. There is no obligation to fund again, and at BlackRidge the trading level is never increased without your written instruction.

The table below applies one trading level of $250,000 across the three funding ratios used elsewhere on this page. The strategy move is measured on the trading level; the loss it produces is subtracted from the funded balance. The same market event shrinks a smaller deposit faster.

Read the 1:5 row against the strategy's tested drawdown before choosing it. A seventeen percent move on the trading level, which a fully funded account survives with 83% of capital intact, leaves a 1:5 allocation with 15% of its funded balance and the broker attempting to liquidate. Whether liquidation succeeds at the threshold, and whether any residual balance becomes a debt to the broker, depends on the broker's legal entity, written terms, jurisdiction and client classification, including negative balance protection.

These are arithmetic illustrations, not forecasts. Funding ratios are set per allocation against the strategy's tested drawdown profile and the broker's margin requirements, and are confirmed in writing before any deposit.

It can be a reasonable choice when you understand the strategy's tested drawdown, choose a ratio at which a repeat of that drawdown does not exhaust the deposit, and keep the unfunded remainder in your own accounts rather than spending it.

It is a poor fit if the funded amount is all you can afford to lose but the ratio is aggressive, if you would judge results by the amplified percentages on the deposit without noticing the amplified losses, or if the broker's terms leave you liable for a negative balance and you have not accepted that risk.

The useful question is not whether notional funding is smart in general, but whether this ratio, on this strategy, at this broker, survives the worst period the strategy has already shown.

The funding ratio should follow the strategy's tested drawdown profile and the broker's margin requirements, not the investor's appetite for leverage.

A strategy with a historical maximum drawdown near seventeen percent behaves very differently at one-to-two than at one-to-five, and the appropriate ratio is the one where a repeat of that drawdown does not end the allocation.