← Back to Blog · 2026-09-01 · 5 min read · Market Preview
You’re staring at a perfect breakout setup on a Chinese commodity futures chart. The volume is there, the moving averages are stacked perfectly, and the momentum oscillator is ticking up. You enter long. Within an hour, the market violently reverses, stops you out, and then proceeds to rip higher without you. Sound familiar?
If you are used to trading Western CFDs or purely speculative paper markets, you might be missing the most crucial driver of physical commodity markets: actual supply. In the China futures ecosystem, price is not just a function of algorithmic order flow; it is anchored to physical delivery. And the gateway to understanding that physical reality is warehouse warrant data.
Let’s break down how to read this data, why it matters, and how you can integrate it into your daily trading routine.
What Exactly is Warehouse Warrant Data?
In simple terms, a warehouse warrant (仓单 - cāng dān) is a receipt issued by an exchange-approved warehouse confirming that a specific quantity and quality of a commodity has been deposited and is available for delivery. When you trade Chinese commodity futures, you are trading contracts that are ultimately backed by these physical goods.
Major Chinese exchanges like the Shanghai Futures Exchange (SHFE), Dalian Commodity Exchange (DCE), and Zhengzhou Commodity Exchange (CZCE) publish daily warehouse warrant reports. These reports detail the total registered warrants for each deliverable grade of a commodity at each approved delivery warehouse.
There are two main actions you need to track:
- Registrations: Goods are being moved into exchange warehouses and converted into exchange-tradable warrants. This usually indicates ample physical supply.
- Cancellations: Warrants are being canceled, meaning physical goods are being pulled out of the exchange system to be sold in the spot market or used in production.
Understanding the ebb and flow of these registrations and cancellations gives you a massive edge over traders who only look at price charts.
The Mechanics of a Market Squeeze
Why does warehouse warrant data matter so much? Because of the delivery mechanism. If you hold a short position into the delivery month, you are legally obligated to deliver the physical commodity. If there are no warehouse warrants available—or very few—you cannot fulfill your obligation.
This creates a classic short squeeze. Shorts are forced to buy back their contracts at any price to avoid default, driving prices vertically. If you want to successfully trade rebar/iron ore or other industrial metals, you absolutely must monitor warrant levels as the delivery month approaches.
When warrants are low and spot premiums are high, the chart doesn't matter. The shorts are trapped, and the market will squeeze them out.
A prime historical example is the 2021 thermal coal rally in China. Amidst an energy crunch, physical supply was incredibly tight. While price charts showed extreme overbought conditions, the underlying warehouse warrant data reflected severe physical scarcity. Traders who understood this dynamic knew that shorting the rally based purely on technicals was financial suicide. The market surged to unprecedented levels before regulatory intervention eventually cooled things down. The lesson? Never fight a market with empty warehouses.
Contract Specs You Need to Know
To trade these markets effectively, you need to know exactly what you are dealing with. Let’s look at two of the most heavily traded industrial commodities in the world: Rebar and Iron Ore.
| Feature | Rebar (SHFE) | Iron Ore (DCE) |
|---|---|---|
| Ticker | rb | i |
| Exchange | Shanghai Futures Exchange | Dalian Commodity Exchange |
| Contract Multiplier | 10 tons / lot | 100 tons / lot |
| Tick Size | 1 RMB / ton | 0.5 RMB / ton |
| Tick Value | 10 RMB | 50 RMB |
| Delivery Method | Physical | Physical |
Notice the contract multipliers. A single tick in iron ore is worth 50 RMB. If you are caught on the wrong side of a warrant-driven squeeze, the PnL can evaporate quickly. Knowing the tick value and multiplier is basic risk management, but knowing the warrant data is your survival mechanism.
How to Read the Daily Warrant Reports
Reading the data isn't just about looking at the absolute number of tons sitting in a warehouse. It’s about the trend and the context. Here is the actionable logic you need to apply:
1. Sudden Drops in Warrants
If you see a sudden, sharp cancellation of warrants, it means physical buyers are pulling metal out of warehouses. Why? Usually because spot market demand is high and they can sell it immediately at a premium. This is a highly bullish signal for the underlying commodity futures price, especially if it happens near a delivery month.
2. Surging Registrations
If warrants are climbing steadily, smelters or producers are dumping their excess inventory into exchange warehouses because they can't sell it elsewhere. This is a bearish signal. The market is well-supplied, and short sellers have plenty of ammunition for delivery if needed.
3. The Basis Trade Dynamic
Always compare the futures price to the spot price (the basis). If futures are trading at a massive premium to spot, but warrants are low, be extremely cautious. The market is pricing in scarcity. If warrants are high and futures are at a premium, it’s a magnet for physical metal to be registered, which will likely push futures prices down to meet spot reality.
Putting it into Practice: A Trading Workflow
How do you actually use this as a retail trader? You don't need to build a complex algorithmic model. You just need to add a fundamental filter to your technical strategy.
Let's say your technical system gives you a signal to short iron ore. Before you click the button, check the DCE warehouse warrant report for the week. If warrants have been dropping for three consecutive weeks and are sitting near multi-year lows, skip the short. The technical setup might look great, but the fundamental backdrop is a death trap.
Conversely, if you get a buy signal on rebar, and the SHFE warrant report shows a massive influx of registered steel, you should probably halve your position size or tighten your stop. The heavy physical supply will act as a ceiling on any technical breakout.
Your workflow should look like this:
- Step 1: Run your standard technical analysis and identify a setup.
- Step 2: Pull up the latest daily warehouse warrant report from the respective exchange.
- Step 3: Align the technical bias with the warrant data. Long setups want falling/low warrants; short setups want rising/high warrants.
- Step 4: Execute with appropriate position sizing based on the strength of the alignment.
This simple integration bridges the gap between pure chart reading and fundamental reality. It keeps you on the right side of the delivery mechanics that ultimately govern these markets.
Closing Thoughts
Trading Chinese commodity futures offers incredible volatility and opportunity, but it demands respect for physical delivery mechanics. Warehouse warrant data is the closest thing you will get to a transparent look at real-world supply and demand. By tracking registrations, cancellations, and the overall trend of warehouse stocks, you give yourself a structural edge over the purely technical crowd.
Of course, reading the data is one thing—executing a strategy around it is another. If you want to see how your system performs under real-market conditions without risking your primary capital, you can test your edge on a real-data China futures evaluation at XS Select. Our evaluations start from just $29, giving you a straightforward environment to prove your trading discipline and strategy. Stay sharp, respect the warrants, and trade well.