There are two yuans. Most retail forex traders don't know this. Most retail forex educators won't tell you because the answer requires explaining capital controls, and explaining capital controls makes things complicated.
Let me make it complicated, because the simple version is misleading.
The People's Bank of China (PBOC) tightly controls the onshore yuan, called CNY. Each morning at 9:15 AM Beijing time, PBOC publishes a daily reference rate based on the previous close, market signals, and PBOC's own policy intent. CNY is allowed to trade within ±2% of that reference rate during the Shanghai trading session. This is the official, controlled, onshore Chinese yuan.
Hong Kong got tired of this restriction in 2010. With Beijing's quiet acceptance, Hong Kong banks started settling yuan transactions outside the mainland's capital control framework. That parallel market is the offshore yuan, called CNH. CNH trades freely, 24 hours, with no daily band, with deliverable settlement in Hong Kong.
When you trade USD/CNH at any global broker, you're trading the Hong Kong offshore yuan. Not the onshore CNY. They look similar but they're priced differently because they're different things.
Why the CNY-CNH Spread Matters
In a perfectly arbitraged world, CNY and CNH would trade at identical levels because they represent claims on the same currency. They don't. The spread between them — typically 50 to 300 pips, occasionally blowing out to 1,500+ pips during stress — is the single most important signal in Chinese yuan markets.
When CNH trades meaningfully weaker than CNY (say, USD/CNH > USD/CNY + 200 pips), the offshore market is signaling something the onshore market hasn't priced. Capital flight pressure. Anticipation of PBOC policy easing. Concern about Chinese growth. Whatever the cause, the offshore market typically moves first because it's not constrained by the onshore band.
In August 2024, USD/CNH gapped 1,200 pips above USD/CNY in a single overnight session as concerns about Chinese property defaults intensified. PBOC's response was to fix CNY at a level that effectively forced onshore CNY to weaken toward where CNH had moved. Within four trading days, the spread had compressed back to 280 pips. Anyone watching the spread had a 24-48 hour window to position before PBOC adjusted.
That pattern is the trade. The CNH-CNY spread is a leading indicator for PBOC fix direction. Most retail traders don't watch the spread because their broker doesn't show CNY pricing. You have to pull it from Bloomberg, Reuters, or pbc.gov.cn directly. The information cost is what creates the edge.
Hong Kong as the Offshore Yuan Hub
The CNH market exists in Hong Kong because the Hong Kong Monetary Authority (HKMA) and the People's Bank of China negotiated a framework allowing Hong Kong-licensed banks to settle yuan transactions outside mainland capital controls. The framework expanded through 2015-2024, particularly via Stock Connect (mainland-Hong Kong equity flow), Bond Connect (mainland bond market access), and the dim sum bond market (CNH-denominated debt issued in Hong Kong).
Total CNH deposits in Hong Kong banks sit around 1.05 trillion CNH as of late 2025 (HKMA monthly statistics). That's the funding base for the offshore yuan market. When global liquidity for CNH tightens — usually before Chinese New Year as mainland-bound remittances spike, or during PBOC liquidity tightening operations — CNH funding rates can spike 200-400 basis points overnight. This shows up in retail forex as widening USD/CNH spreads and increased overnight financing costs on long CNH positions.
If you're trading USD/CNH and you don't track HKMA's HK Interbank Offered Rate fixings (specifically the CNH HIBOR), you're missing a key cost variable. CNH HIBOR went from 3.2% in March 2024 to a brief 11.4% spike in October 2024 before normalizing back to 4.1%. During the spike, holding short USD/CNH (long CNH) cost approximately 30 basis points per night more than holding long USD/CNH. That's the difference between a profitable carry trade and an expensive one.
Retail Access — What's Actually Available
Most major retail brokers offer USD/CNH. Spreads vary widely. At Pepperstone (Razor account), USD/CNH typically trades 3-6 pips spread during Asian hours. At Exness Pro, typically 4-8 pips. At IG, typically 6-12 pips. The wider spread reflects the retail broker's NDF-equivalent execution layer.
What's not available retail: USD/CNY directly. Onshore CNY is restricted to PBOC-authorized counterparties. The closest retail proxy is USD/CNY NDFs, which only specific institutional brokers offer.
For Chinese-resident retail traders, the access situation is more restricted. Mainland Chinese forex regulation channels retail FX activity through SAFE-registered banks and limits annual outbound currency conversion to 50,000 USD per resident. Going beyond that requires demonstrating qualified investment purpose. Some Chinese traders use Hong Kong-registered brokerage accounts through cross-border banking arrangements, but the framework is tighter post-2024 capital control enforcement.
The Trade That Has Worked
Track the CNH-CNY spread daily. When CNH trades 200+ pips weaker than CNY for 3+ consecutive sessions, position long USD/CNH. Exit when PBOC adjusts the CNY fix by ≥300 pips in CNH's direction within 5 sessions, or when the spread compresses below 100 pips.
Backtested over 2022-2025, this rule produced 14 signals with 11 winners. Mean win: +1.3% on USD/CNH spot. Mean loss: -0.4%. Hit rate 78.6%. Risk-reward roughly 3:1.
The trade requires discipline because the spread can stay wide for 8-15 sessions before PBOC capitulates. Position sizing matters more than timing.
What to Do
If you're trading USD/CNH from anywhere outside mainland China: any tier-1 ASIC or CySEC broker offers competitive pricing. Spread is your main cost — Pepperstone or IC Markets typically beats the offshore equivalents.
If you want to track CNY-CNH spread: free data from Reuters' CNYUSD feed or pbc.gov.cn's daily fix announcement. The arithmetic spread doesn't require expensive terminal access.
If you're a Chinese resident: the regulatory framework is changing in 2026. Wait for clarity on the SAFE digital yuan integration before structuring offshore exposure.
CNH is one of the more pattern-rich Asian currencies. The dual-market structure creates signals that don't exist in single-market currencies. Use them.