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SH-HK Connect Education

What is Shanghai-Hong Kong Stock Connect?
Shanghai-Hong Kong Stock Connect is a mechanism established for connectivity of trading and clearing between Shanghai and local securities markets. The mechanism involves Northbound Trading and Southbound Trading.

With Northbound Trading, investors, through their local brokers and a securities trading service company to be established by SEHK, will be able to place orders to trade eligible shares listed on SSE by routing orders to SSE.

With Southbound Trading, eligible investors, through Mainland securities firms and a securities trading service company to be established by SSE, will be able to place orders to trade eligible shares listed on SEHK by routing orders to SEHK.

Overview of Shanghai-Hong Kong Stock Connect Features
  Northbound Trading Southbound Trading
Qualification Local and overseas investors are allowed to trade
(STAR stocks only be traded by institutional professional investors )
Institutional investors or holders of personal account with no less than RMB500,000.
Investment Products Constituents of SSE 180 Index
SSE 380 Index
A shares with corresponding H shares listed on SEHK
Constituents of Hang Seng Composite LargeCap Index
Hang Seng Composite MidCap index
H shares with corresponding A shares listed on SSE
Ineligible Products
  • SSE-listed shares which are not traded in RMB
  • SSE-listed shares which are under risk alert
  • Local shares that are not traded in HKD
  • H shares with correspondent A shares tradable on Shenzhen Stock Exchange
  • H shares which have corresponding A shares put under risk alert
Investment Quota Daily quota: RMB52 billion Daily quota: RMB42 billion
Number of Tradable Stocks (As of 2021/07/15) 587 368
Trading Hours Opening call auction hours Pre-opening hours
09:15 - 09:25* 09:00 - 09:30
Continuous auction hours Continuous trading hours
09:30 - 11:30* 09:30 - 12:00
13:00 - 14:57* 13:00 - 16:00
Closing Call Auction Closing Auction Session
14:57 – 15:00 16:00 - 16:10
Trading Currency Trading and settlement by RMB Trading and settlement by RMB
Stock Code 6 digits
(Eg: Petrochina A Share code: 601857)
5 digits
(Eg: Petrochina H share code: 00857)
Order Type Limit orders only Pre-opening session: At-auction limit orders only
Continuous Trading Hours: enhanced limited orders only
Closing Auction: At-auction limited orders only
Day Trading Not Allowed Allowed
Odd Lot Selling only Selling only, offers possibly inferior to market prices
Short Selling Allowed Not Allowed
Margin Financing Allowed Allowed
IPO Subscription Not Allowed Not Allowed
Lot Size 100 shares Varies among stocks
Order Size Limit 1 million shares 3000 Lots
Minimum Spread RMB0.01 Depends on stock price
Volatility Restriction ±10% against previous closing price or
±5% against previous closing price for stocks under risk warning
Under Volatility Control Mechanism (VCM), HSI & HSCEI constituent stocks will put into a cooling off period for 5 minutes if the stock price fluctuates more than 10% from the reference price from 5 minutes ago. Maximum of 1 trigger in morning and afternoon session.
Settlement Cycle T for stocks; T+1 for funds T+2 for stocks and funds
Shareholder Voting Through CCASS’s existing voting functions ChinaClear to collect and submit votes
*During 09:10-09:15, 09:25-09:30 and 12: 55-13:00, the SSE does not process any orders until the market opening, but SEHK still accepts buying/selling orders and instruction for order cancellation order.
What kinds of shares are tradable through Shanghai-Hong Kong Stock Connect?
  Northbound Trading Southbound Trading
Index Constituents SSE 180 Index constituents Hang Seng Composite LargeCap Index constituents
SSE 380 Index constituents Hang Seng Composite MidCap Index constituents
A+H Shares A shares with corresponding H shares listed on SEHK H shares with corresponding A shares listed on SSE
Ineligible Stocks
  • SSE-listed shares which are not traded in RMB
  • SSE-listed shares which are under risk alert
  • Local shares that are not traded in HKD
  • H shares with correspondent A shares tradable on Shenzhen Stock Exchange
  • H shares which have corresponding A shares put under risk alert
Number of Stocks (As of 2021/07/15) 587 368
Transaction Cost Transaction amount x 0.11087%* Transaction amount x 0.1077%* + HK$0.5 per trade
* Including stamp duty, exchange fee, SFC levy and transfer fee

Stocks of Northbound Trading would be suspended for buying (still allowed for selling) under the following circumstances:
(a) stocks which are no longer classified as relevant index constituents; and / or
(b) risk warning is implemented; and / or
(c) corresponding H-share is no longer listed on SEHK for trading.

Stocks of Southbound Trading would be suspended for buying (still allowed for selling) under the following circumstances:
(a) stocks which are no longer classified as relevant index constituents; and / or
(b) the corresponding A share of the SEHK Security ceases to be traded on SSE or is put under risk alert; and/or
(c) the constituent stock of HSSI without corresponding A share listed on SSE subsequently with market capitalisation less than HKD 5billion based on any subsequent periodic adjustment of relevant index;and/or
(d) corresponding A-share is listed on an exchange other than SSE in Mainland China.
Can investors buy or sell stocks in Shanghai-Hong Kong Stock Connect through existing local brokers?
Local and overseas investors can choose any SEHK participant for trading stocks in Shanghai-Hong Kong Stock Connect, but the chosen participant must be eligible to participate in scheme.
Investment Quota Restriction on Shanghai-Hong Kong Stock Connect
Shanghai-Hong Kong Stock Connect is for RMB cross-border investments subject to daily quota management with real-time monitoring. The quota is served on the first-come-first-served principle.

The “Quota” does not refer to the total inflows, rather, it indicates the upper limit for the difference between the buying and selling values. All quota refers to the net amount after the buying value minus selling value. The daily quota is refreshed on a daily basis and to maintain the same. The unused daily quota cannot be rolled over to the quota for the following day.

Investment Quota Northbound Trading Southbound Trading
Daily Quota (RMB) 52 billion 42 billion

Daily quota balance = Daily quota – Buying order value + Selling transaction value + Adjustment*
*Daily quota balance is increased under the following circumstances:
Buying order is cancelled, or
Buying order is rejected by the exchange on the other side, or
Buying order is executed for a better price

The stocks in Southbound Trading are traded by Mainland investors in in Hong Kong dollar only and settle the trades with ChinaClear or its clearing participants in Renminbi.
The stocks in Northbound Trading are traded and settled in Renminbi by local and overseas investors.

If Daily Quota Balance drops to zero or is exceeded during a continuous auction session (Continuous Trading), no further buy orders will be accepted for the remainder of the day.

If Daily Quota Balance drops to zero or is exceeded during the opening call session, new buy orders will be rejected. However, the Daily Quota Balance may resume to a positive level before the end of the opening call auction due to order cancellation. When that happens, SEHK will again accept buy orders.

It should be noted that buy orders already accepted will not be affected by the Daily Quota being used up and will remain on the order book of SSE unless otherwise cancelled by the relevant EPs.
Trading Hours for Shanghai-Hong Kong Stock Connect
The session for Northbound Trading is in line with the trading hours of SSE. SEHK starts to accept the orders from SEHK participants 5 minutes before the opening of morning session and afternoon session in SSE.
SSE Trading Session SSE Trading Hours Time for EPs to input
Northbound orders
Opening Call Auction 09:15-09:25 09:10-11:30
Continuous Auction (Morning) 09:30-11:30
Continuous Auction (Afternoon) 13:00-15:00 12:55-15:00
Closing Call Auction 14:57-15:00

During 09:20-09:25,14:57-15:00, SSE does not accept instructions for order cancellation;
During 09:10-09:15, 09:25-09:30 and 12: 55-13:00, the SSE does not process any orders until the market opening, but SEHK still accepts buying/selling orders and instruction for order cancellation order;
The unmatched buying/selling orders in the Opening Call Auction are to automatically enter Continuous Auction. Any buy or sell orders not executed during the continuous auction session will automatically enter the closing call auction session.

The session for Southbound Trading is in line with the trading hours of SEHK.

Shanghai-Hong Kong Stock Connect operates only on trading days for both Shanghai and local securities markets. If the fund settlement day is not a trading day in local securities market, Northbound Trading is closed on the previous trading day.

If a Northbound trading day is a half trading day in local securities market, Northbound Trading will continue until SSE market is closed.


  Mainland Local Securities Market Open for Northbound?
Day-1 Business Day Business Day Yes
Day-2 Business Day Business Day No Local securities market closes on money settlement day
Day-3 Business Day Public Holiday No Local securities market closes on trading day
Day-4 Public Holiday Business Day No Mainland market closes
Charges of Shanghai-Hong Kong Connect
Relevant fees and taxes involved in Northbound Trading of Shanghai-Hong Kong Stock Connect:
Item Rate Paying Party Receipt Party
Handling Fee 0.00487% of transaction value Both sides Shanghai Stock Exchange
Securities Management Fee 0.002% of transaction value Both sides China Securities Regulatory Commission
Transfer Fee 0.02% of transaction value Both sides China Securities Depository and Clearing Corporation Limited
0.02% of transaction value Both sides HK Securities Clearing Company Ltd
Stamp Duty 0.1% of transaction value Seller State Administration of Taxation
Note: Mainland fees will be rounded to the nearest cent

Fees and Taxes to be confirmed by regulators and tax departments:
Item Detail Receipt Party
New CCASS Fee New fee for providing depository and nominee services to Clearing Participants for SSE Securities (subject to approval by SFC) HK Securities Clearing Company Ltd
Dividend Tax Applicable to cash dividend and bonus issue (subject to clarification with SAT) State Administration of Taxation
Stamp Duty Applicable to the Northbound trades and SSE Securities acquired through Shanghai Connect (subject to clarification with SAT) State Administration of Taxation

Dividend tax on Northbound Trading stocks is withheld by issuer and ChinaClear from payment. The New CCASS Fee is collected in HK Dollar monthly, if implemented.
Arrangement for Shanghai-Hong Kong Stock Connect under Bad Weather
Scenario Northbound Trading Local Securities Market Today
Typhoon No.8 or Black Rainstorm issued before local securities market opens (i.e. 9:00 a.m.) Not open Not open
Typhoon No.8 issued between 9:00 a.m. and 9:15 a.m. Not open Trading suspends after pre-opening session
Typhoon No.8 issued after SSE market opens (i.e. 9:15 am) Trading will continue for 15 minutes, thereafter, only order cancellation is allowed till SSE market close Trading terminates in 15 minutes
Black Rainstorm issued after local securities market opens Normal trading Normal trading
Typhoon No.8 or Black Rainstorm discontinued at or before 12:00 noon Trading resumes after 2 hours Trading resumes after 2 hours
Typhoon No.8 or Black Rainstorm discontinued after 12:00 noon Not open Not open
Source: HKEx
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