Micro Contracts and Prop Farming: Why Micros Are the Unit
September 16, 2026 · 3 min read · Part of Prop Firms & Funding
A funded futures account has a daily loss limit and a trailing drawdown measured in dollars. A standard index contract moves in dollars per point that make those limits a handful of points away. Micro contracts — one-tenth the size — turn the same limits into room. That is the whole reason micros are the unit of a prop farm, and it is a sizing argument, not a preference.
What a micro is
Most major CME products have a micro version: micro E-mini index futures, micro gold, micro crude, micro currencies, micro bitcoin. Each is one-tenth the notional of its full-size sibling, with a correspondingly smaller tick value. The same trade idea, expressed at one-tenth the dollars per point.
Why the rulebook prefers them
Take an account with a modest daily loss limit. A full-size contract's point value can put a normal stop distance at a large fraction of that limit — one losing trade and the day is over, two and the account is at risk. The same stop in micros is a tenth of the dollars, so the day's limit can absorb the ordinary run of losers that any process produces. Tick value, point value and your daily loss limit is the arithmetic.
Micros also let the size *step*. One contract is a blunt instrument; ten micros can be added or reduced one at a time, which is how a process expresses "smaller today" without leaving the market entirely.
The sizing discipline we hold
On our own desk the standing rule is roughly one micro per unit of account room, scaled to the account's drawdown rather than its headline balance — your capital is the drawdown, not the balance. We state it as a discipline, not as a result: it is what keeps a normal losing sequence a normal losing sequence on a rule-bound account. It is also what lets the same process copy cleanly across seats of different sizes, because a follower at twice the size takes twice the micros, not a different trade.
Micros and the copier
Copying across accounts works in whole contracts. A leader trading one full-size contract cannot be mirrored at "half" on a smaller follower; a leader trading ten micros can be mirrored at five. The granularity is what makes partial closes and size multipliers replicable across a tree.
What micros are not
They are not safer per contract — a micro moves exactly like its full-size sibling, one-tenth the dollars. They do not change the direction risk of a farm, where every seat is the same bet at once. And they do not make a losing process profitable. They make a rule-bound account *survivable* for long enough that a good process can express itself.
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Common Questions
Are micro futures better for prop firm accounts?
For rule-bound accounts they are usually the more sensible unit: one-tenth the dollars per point means the daily loss limit and trailing drawdown can absorb ordinary losers, and size can step one micro at a time. They are not safer per contract — just smaller.
How many micros should I trade on a funded account?
That depends on the account's drawdown, the contract's tick value and your stop distance — not on the headline balance. Work it from the daily loss limit backwards so a normal losing day is survivable; we describe the arithmetic in the tick-value article.
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Education only. This article is general financial education, not investment, legal, or tax advice and not a recommendation to buy, sell, or trade any asset. Kingdom Portfolios does not manage money, accept investor funds, or guarantee any result. Trading involves substantial risk of loss. Consult your own licensed professionals before making decisions.