Margin, leverage, and broker requirements are the three main factors that determine the answer, thus it is not a straightforward and fixed figure.

Let us dissect each one.

What Is Margin in Futures Trading?

The bare minimum of funds required in your account to initiate and sustain a futures trade is known as the margin. Futures are extremely capital-efficient since you are only paying a fraction of the contract's total value.

Two primary margin categories exist:

Intraday Margin

The minimum balance required by the broker to hold a position during the regular trading hours.

Initial Margin

The minimum per-contract amount set by the exchange to hold a position overnight.

How Does Leverage Work in Futures Trading?

Leverage allows traders to control a large notional value with relatively small margin capital. It's a powerful tool, but it must be used carefully and aligned with your risk tolerance, available capital, and trading strategy.

Here's the formula to calculate leverage:

Leverage = Notional Value / Initial Margin Requirement

Practical Example:

Let's say you have $20,000 in trading capital. Without leverage, you could buy an asset worth exactly $20,000.

With leverage, you can control much more.

For instance, you could trade 1 contract and gain exposure up to $363,000, calculated as:

Leverage × Contract Size

Broker Requirements:

Let's explore the margin requirements of a broker, in this case we are going to explore the Intraday and Initial Margin offered by our partner NinjaTrader

Margin Requirements at NinjaTrader:

As the table shows, NinjaTrader allows you to get started with relatively low capital, especially using Micro E-Mini contracts which is ideal for traders with smaller accounts or those still developing their skills.

TL;DR

The answer depends on the contract type, trading style, risk management, and broker policy.

That said, with Micro Futures and brokers like NinjaTrader, you can realistically start trading with under $1000 for intraday strategies.

Just keep in mind: low capital doesn't mean low risk. Leverage magnifies both gains and losses.

ContractIntraday MarginInitial Margin
E-Mini (ES)$1000$24,420
Micro E-Mini (MES)$100$2,442