← Back to Blog · 2026-09-08 · 4 min read · Trading Education
Imagine waking up, checking your terminal, and realizing your position is locked limit-down because a sudden macro directive hit the market overnight. If you trade Chinese commodity futures, you already know that the steel complex—specifically iron ore and rebar—can be a brutal playground. The leverage is high, the liquidity is deep, but the drawdowns can wipe out an undisciplined trader in a matter of hours.
Surviving and thriving in these markets isn't about having a magical indicator. It’s about respecting the contract specifications, understanding the macro policy premium, and applying rigid drawdown controls. Let’s break down exactly how to manage your risk when you trade rebar and iron ore.
Know Your Contracts: The Math of the Trade
You cannot control your drawdowns if you don't know the exact math of the instrument you are trading. Iron ore and rebar might move together fundamentally, but their contract mechanics are entirely different.
Shanghai Futures Exchange (SHFE) Rebar
Rebar is the benchmark for Chinese construction demand. When you trade rebar, you are trading a contract listed on the SHFE. Here are the vital specs:
- Contract Multiplier: 10 tons per lot
- Tick Size: 1 RMB per ton
- Tick Value: 10 RMB per tick
- Trading Hours: Day sessions and a night session (crucial for gap risk management)
Dalian Commodity Exchange (DCE) Iron Ore
Iron ore is the high-beta beast of the steel complex. It moves faster and carries a much larger dollar value per lot. Specs include:
- Contract Multiplier: 100 tons per lot
- Tick Size: 0.5 RMB per ton
- Tick Value: 50 RMB per tick
- Exchange: DCE
The critical takeaway: One tick in iron ore is worth five times one tick in rebar. If you apply the same stop-loss distance (in ticks) to both markets, your iron ore risk will be five times larger. You cannot size these two contracts identically.
The Macro Volatility of Chinese Commodity Futures
Why do these markets draw down retail traders so aggressively? Because China's steel markets are heavily influenced by real estate data, infrastructure spending, and environmental policies. Back in 2021, we saw massive rallies in raw materials driven by supply chain constraints and post-pandemic demand. When prices get too hot, regulatory bodies often step in to cool the market.
This creates a unique risk profile: policy shock. You might be perfectly positioned based on technicals, only to get stopped out by a sudden exchange margin hike or a state-driven production mandate. When you trade Chinese commodity futures, you must build a buffer for these systemic shocks.
Concrete Rules for Drawdown Control
Drawdown control isn't a feeling; it’s a mathematical constraint. If you want to survive the steel complex, implement these three rules immediately.
Rule 1: The 1% Risk Cap
Never risk more than 1% of your total account balance on a single trade idea. If you have a $10,000 account, your maximum loss on a rebar or iron ore trade should be $100. This forces you to calculate your position size backward from your stop loss, rather than just trading a standard lot size.
Rule 2: Volatility-Adjusted Stops
Do not use arbitrary tick counts (e.g., "I'll use a 10-tick stop"). Use structural levels or a multiple of the Average True Range (ATR). Iron ore is inherently more volatile than rebar. If rebar's ATR is 20 points and iron ore's is 40 points, your stop-loss distance must reflect that. If your structural stop requires a 30-point risk on iron ore, but that exceeds your 1% cap, do not take the trade.
Rule 3: The Overnight Gap Penalty
Chinese futures feature a night trading session, but the market still closes. Holding a large position over the day-session break or the weekend exposes you to gap risk. If you must hold overnight, cut your position size by 50%. This reduces your exposure if a policy directive drops while you are asleep.
Correlation Risk: Don't Double Down on the Same Trade
One of the fastest ways to blow up an account is treating correlated assets as independent trades. Iron ore and rebar are highly correlated. If you are long iron ore and long rebar simultaneously, you don't have two trades—you have one massive, highly leveraged bet on Chinese construction.
If the market reverses due to a policy shock, both positions will draw down at the same time. To control overall portfolio drawdown, cap your total risk across the steel complex. If your max risk per trade is 1%, your total risk across iron ore, rebar, and hot-rolled coil (HRC) combined should not exceed 1.5%.
Practical Application: Sizing an Iron Ore Trade
Let’s walk through the math of controlling a drawdown on an iron ore trade. Assume you have a $10,000 account. Your 1% risk cap means a maximum loss of $100 per trade. Let's assume an exchange rate of roughly 7 RMB to 1 USD, so your max loss is about 700 RMB.
| Parameter | Value |
|---|---|
| Account Balance | $10,000 |
| Max Risk (1%) | $100 (~700 RMB) |
| Instrument | DCE Iron Ore |
| Tick Value | 50 RMB |
You analyze the chart and decide that a valid structural stop-loss requires a 15-point distance. Since 1 point equals 2 ticks, a 15-point stop equals 30 ticks.
- Risk per lot = 30 ticks × 50 RMB/tick = 1,500 RMB.
- 1,500 RMB is roughly $214.
Because $214 exceeds your $100 risk limit, taking a 1-lot position violates your drawdown rules. You have two options:
- Skip the trade: The market isn't giving you a setup that fits your risk parameters.
- Find a tighter entry: Wait for a pullback that allows you to place a stop-loss within 7 points (14 ticks), reducing your risk to 700 RMB ($100).
This is what professional drawdown control looks like. You don't bend the rules to fit the trade; you wait for the trade that fits the rules.
Test Your Edge Before You Risk Real Capital
Controlling drawdowns in the Chinese steel market requires discipline, math, and a system that can survive policy shocks. Reading about risk management is easy; executing it under live market pressure is entirely different.
If you want to prove your strategy works, you need to test it in a simulated environment that mirrors real-world conditions. You can test your system on a real-data China futures evaluation at XS Select, with evaluations starting from $29. It's an honest way to see if your drawdown rules hold up before you put your full capital on the line.