Mini to Micro Futures Trade Copying
IntelliSize — Smart Contract Conversion That Goes Beyond Simple Ratios
When your lead account trades ES but a follower account needs micro-sized positions, a basic 1:1 swap isn't always the best answer. IntelliSize calculates the economic equivalent for each follower, then optimally splits the order between mini and micro contracts for maximum margin efficiency. Exclusive to PFACopySuite for NinjaTrader 8.
Why Simple Conversion Isn't Enough
Futures contracts come in different sizes. An E-mini S&P 500 (ES) contract controls approximately $280,000 in notional value. A Micro E-mini (MES) controls approximately $28,000 — one-tenth the size. When you're copying trades from a lead account that trades ES to a follower account that needs smaller positions, you have a conversion decision to make.
The simplest approach is a direct swap: trade ES on the lead, the follower trades MES instead. But this ignores quantity math. If the lead trades 3 ES contracts, should the follower trade 3 MES? That's only one-tenth the exposure. Should it trade 30 MES? That's the same exposure but uses 30 separate contracts — more margin, more commissions, and more working orders to manage.
The optimal answer usually falls somewhere in between — and it's different for every account depending on that account's size, sizing mode, and risk settings. This is the problem IntelliSize solves.
Two Conversion Modes — Choose Per Account
PFACopySuite offers two instrument conversion approaches. Each follower account can use a different mode — or no conversion at all.
Convert Mode
Converts the instrument to its paired counterpart while preserving the calculated quantity. If the copier determines the follower should receive 5 contracts, Convert mode changes the instrument from ES to MES (or vice versa) and submits 5 contracts of the converted instrument.
IntelliSize Mode
Analyzes each follower account's sizing configuration and calculates the most margin-efficient combination of mini and micro contracts to match the target exposure. Instead of placing all micros or doing a simple swap, IntelliSize finds the optimal blend automatically.
What IntelliSize Does Differently
IntelliSize is a proprietary allocation engine built into PFACopySuite. Here's what it handles on every order — automatically.
Understands Economic Equivalency
IntelliSize doesn't just count contracts — it understands the economic relationship between mini and micro instruments in each pair. This means it works from actual exposure, not simple numbers, ensuring the follower's position accurately reflects their intended sizing.
Integrates with Position Sizing
The follower's sizing mode (Ratio, Fixed, Account Value, NotionalValue, or PositionSize) is fully incorporated into the conversion. IntelliSize doesn't just convert — it sizes and converts in a single coordinated operation, ensuring the output respects each account's individual configuration.
Respects Risk Limits
Global and per-account maximum lot sizes are enforced before the allocation is finalized. IntelliSize will never exceed your configured limits, regardless of what the sizing calculation would otherwise produce.
Finds the Optimal Mini/Micro Blend
Using a proprietary allocation algorithm, IntelliSize determines the ideal combination of mini and micro contracts to achieve the target exposure with the fewest total contracts and the best margin efficiency. The result may be all minis, all micros, or a precise blend — whatever is optimal for that specific trade and account.
Submits Coordinated Orders
The optimized allocation is submitted as coordinated orders — the mini component and micro component are sent together as part of the same copy operation, with ATM strategies and protective orders scaled correctly for each component.
Supported Instrument Conversion Pairs
PFACopySuite supports conversion and IntelliSize across all major futures markets. Each pair uses the standard CME-defined relationship between its mini and micro contract. Custom pairs can be configured in global settings.
Indices
Metals
Energy
Currencies
Grains
Custom Pairs
Need a pair that isn't listed? PFACopySuite lets you configure custom instrument pairs in global settings. Define any mini symbol, micro symbol, and ratio to extend conversion support to additional markets or custom instruments.
IntelliSize in Action
See the outcomes IntelliSize produces across different scenarios. Every allocation is calculated automatically on every order.
Notice how IntelliSize adapts: when the target exposure is large enough, it uses a blend of minis and micros for optimal margin. When the exposure is too small for a mini contract, it uses micros only. When the math works out evenly, it uses minis only. The right allocation is determined automatically for every trade on every account.
How Protective Orders Work with IntelliSize
When IntelliSize splits an order into mini and micro components, protective orders (stop-losses and profit targets) need to scale correctly for each component.
ATM Strategies Scale Per Component
If the follower has ATM strategy replication enabled, separate ATM brackets are applied to the mini order and the micro order independently. Each bracket is sized to match its component's quantity — 2 ES contracts get a 2-contract ATM, 5 MES contracts get a 5-contract ATM.
Self-Healing Protection Floor
If a sizing calculation produces a zero-quantity result for a protective order, PFACopySuite applies a minimum floor of 1 contract. This prevents a scenario where a follower has an open position but no stop-loss or profit target protecting it. The self-healing system then corrects the quantity once the full order picture is available.
Cross-Instrument Mismatch Detection
Position mismatch detection works across both instruments in an IntelliSize split. If the ES component fills but the MES component is rejected, PFACopySuite flags the discrepancy immediately so you can see exactly which part of the split has an issue.
Frequently Asked Questions About Instrument Conversion
Common questions about Convert mode, IntelliSize, and managing different contract sizes across accounts.
Smarter Contract Sizing. Automatic on Every Trade.
IntelliSize handles the conversion math so you never have to calculate mini/micro splits manually. Combined with five position sizing modes and fair order processing, every follower gets precisely the right contracts on every order.
Related Guides
Learn more about instrument conversion, position sizing, and multi-account trade copying.
Mini to Micro Contract Conversion: Why Simple Ratios Aren't Enough
The detailed math behind instrument conversion and margin efficiency in multi-account environments.
Read Article → GuidePosition Sizing for Multi-Account Futures Trading
How the five sizing modes work and how to choose the right one for each account in your setup.
View Guide → GuideHow to Copy ATM Strategies Across Multiple NinjaTrader Accounts
How ATM strategy brackets scale correctly with IntelliSize split orders across follower accounts.
Read Article → OverviewNinjaTrader Trade Copier — Complete Guide
Full overview of PFACopySuite including all conversion modes, sizing options, and platform compatibility.
View Guide →