We understand your broker's commission could be the difference between success and failure in trading and that's why our commission structure is one of the lowest in the industry. 

TWS Stand alone

Our  platform is designed for  traders and investors who trade multiple products and require power and flexibility.  TWS includes all of our most advanced algos and trading tools, and offers a library of tool- and asset-based trading layouts for customization.

Window: 64 bit  |  File size: 4MB   |   Version 963.3





TWS - Web Trader

This offers similar functionality as the desktop with a simpler interface, and works behind a firewall.

TWS Offline

The offline installer contains everything needed to install and run the selected TWS version. The Offline installation will not update automatically. If a new version of TWS is published, you will need to manually download and install the Offline program again. If you prefer to have TWS auto-update, install one of the updating version.


TWS - Mobile

This allows easy trade and monitoring of  your IB account  from your Apple or Android device (tablet or smartphone).


TWS - Demo

Mexem PaperTrader

We invite you to practice your trading abilities in a simulated trading environment via Mexem PaperTrader
If you have an active account in Mexem, then you can trade in the capital market in real time with all of the traits of the TWS system without risking real money.
The PaperTRader allows you to check and upgrade the strategies, and to qualify you in the best manner possible for the real trade:

- Learning the dynamics of the market for new trading platforms and new products.
- Checking new strategies, financial products, trading platforms, types of orders with prices that are updated in real time.
- Access to the advanced trading tools of TWS- graphs in real time. Performances, depth of the market, pricing options, analyses and etc.
- Practicing on all of the symbols and traits that are needed for real trading.
- Access to the trading reports for the PaperTrader.
- Access to the API of Mexem and access to the development environment.


N.B. PaperTrader is only available after approval of opening the real account and depositing funds into the account.

How Does it Work?

- Mexem PaperTrader works similarly to a real active account. You can operate in most types of the accounts and in most of the tools that are at your disposal in TWS.
- The PaperTader confirm that you are working in a simulated trading account. 
- The performances of the transaction in the PaperTrader aren't transferred to the trading platforms, but they are executed as if they were sent in the real account, depending on the market forces.
- The trading authorizations, registration in real time, base currency and additional definitions of the account shall be executed according to the client's real account.
- The reports of the PaperTrader are in the Account Management.
- All of the accounts in the PaperTrader begin with the amount of $1M, but you can reset the account to any desired amount.   

The Restrictions of the PaperTrader

- The trading performances in the PaperTrader try to simulate a real trading account. However, there is always a gap between the virtual and the real because there are a number of factors in the trade that can not be simulated.
- You cannot assess the depth of the market in the trade performances in the PaperTrader.
- Penny shares are not supported in the PaperTrader.

- It allows one to trade in the American Stock Exchange

TWS demo system

TWS demo for accounts larger than $110 K

TWS demo for advisors

TWS web demo


API For Developers


Mexem environment of API and FIX allow the traders, the investors and the financial institutions to create automatic systems that take advantage of the unique performance abilities of Interactive Brokers and the global availability.

API Interactive Brokers-Mexem

You can create your trading application in  Excel, C++, Posic C++, Java, Visual Basic etc. via the API workspace of Mexem.

The API connection is done via the trading program TWS or through the gateway. It does not require additional technical things like the FIX server.

We recommend that the developers check the components of the API for their security account or for their TWS Demo account before they upload the systems in live money.

You can choose which technology is preferable and the best for you


Our FIX CTCI environment allows you to create the automatic trading systems that absolutely exploit the advantages of IB.


In every entrance you can choose your desirable connection. You may want to connect with the TWS for a checkout, or to operate the Gateway in order to save resources. The two possibilities contain a close synchronization with the automatic systems, but TWS has a visual display, but this does not exist in the Gateway.

Types of Connections

You can associate each account to one type of connection An account with a number of accounts such as the case of a portfolio manager can receive a connection to all of the accounts).

The time of changing the connection is about a week.


API Gateway

Choose your system for API Gateway




API Libary

The API library contains code samples for all coding languages that are supported by IB





1st Arch. Kyprianou St. Loucaides Building, Limassol, 3036

+357-25030447 is a website owned and operated by Mexem Ltd.

Mexem Ltd is a European broker regulated by CySEC, license No. 325/17



Risk Warning: Mexem supplies brokerage services with regards to various financial instruments, including stocks, options, futures, futures options, ETF's, warrants, structured products, SSF's, CFD's, bonds, funds indices All types of financial trading and investments, including such that are offered by Mexem, involve risks to the invested funds, and therefore require expertise, knowledge and understanding of risks, and may not be appropriate for all investors.


All types of financial trading and investments, including such that are offered by Mexem, involve risks to the invested funds, and therefore require expertise, knowledge and understanding of risks, and may not be appropriate for all investors.


Before making any decision regarding financial trading or investment, you should carefully consider your investment objectives, level of experience and risk tolerance, and it is highly recommended that you consult an independent financial advisor before making any such decision.

Mexem may from time to time provide general market reviews, classes and/or seminars on various subjects, which do not constitute investment advice. When doing so, Mexem does not consider your investment objectives, level of experience and risk tolerance, and such services should not be seen as investment advice or any kind of recommendation. You should further note that past performances do not constitute a reliable indicator of future results.


Any use of the Mexem website and all trades made through it are subject to our Terms and Conditions, including all annexes thereof, which you must read thoroughly before you start trading on the website.

Options involve risk and are not suitable for all investors. Before investing in options, read the "Characteristics and Risks of Standardized Options".

For a copy visit Before trading, clients must read the relevant risk disclosure statements on our Warnings and Disclosures page - Trading on margin is only for sophisticated investors with high-risk tolerance. You may lose more than your initial investment. For additional information regarding margin loan rates, see Security futures involve a high degree of risk and are not suitable for all investors. The amount you may lose may be greater than your initial investment. Before trading security futures, read the Security Futures Risk Disclosure Statement. For a copy visit There is a substantial risk of loss in foreign exchange trading. The settlement date of foreign exchange trades can vary due to time zone differences and bank holidays. When trading across foreign exchange markets, this may necessitate borrowing funds to settle foreign exchange trades. The interest rate on borrowed funds must be considered when computing the cost of trades across multiple markets.

Interactive Brokers LLC” is a registered Broker-Dealer, Futures Commission Merchant and Forex Dealer Member, regulated by the U.S. Securities and Exchange Commission (SEC), the Commodity Futures Trading Commission (CFTC) and the National Futures Association (NFA), and is a member of the Financial Industry Regulatory Authority (FINRA) and several other self-regulatory organizations.  Interactive Brokers does not endorse or recommend any financial institutions or financial service providers, including brokers, introducing brokers, third-party financial advisors, or hedge funds.  Interactive Brokers provides execution and clearing services to customers.  None of the information contained herein constitutes a recommendation, offer, or solicitation of an offer by Interactive Brokers to buy, sell or hold any security, financial product or instrument or to engage in any specific investment strategy. Interactive Brokers makes no representation and assumes no liability to the accuracy or completeness of the information provided on this website



Do not use the above suggestions or advice for purchase &/or sale &/or possession of securities &/or financial assets of any kind. Whoever violates this instruction does so on his /her own and it is his /her sole responsibility. The information provided by e-mail does not purport to contain all the necessary information for any investor, It does not purport to be a complete analysis of all the facts and information contained in it and the views expressed in it are subject to change without further notice. The Company is not responsible for any damage and/or loss caused by the use of this information. is a website owned and operated by Mexem Ltd.

Mexem Ltd is a European broker regulated by the CySEC, license No. 325/17