Terms of Service

Please read our terms and conditions carefully before proceeding to use the websites provided by Rational Decisions, including www.rationaldecisions.com and wwww.chaosmonitor.com (“the Service”). Your use of the Service will indicate your acceptance of the following terms and conditions. If you wish to use any services produced online now or in the future, you are also subject to the applicable terms. We reserve the right to change the Service and these terms and conditions from time to time without notice to you, and your continued use of the website indicates your continued acceptance of the terms and conditions as modified.

Account terms

  1. You must provide your legal full name, valid email, correct details of your organisation and other details requested during signup process; and keep it current during your use of the Service.
  2. You cannot share your login with other people, it is limited to a single person only.
  3. You are solely responsible for maintaining security of your account/password, including all purchases done on the account.
  4. You are responsible for all Content posted and all activity that takes place under your account.
  5. You may not use the Service for any illegal or unauthorised purpose, and by using it violate any laws in your jurisdiction.


  1. The Service is billed in advance on a fixed term basis (monthly, quarterly etc.) and is non-refundable. There will be no refunds or credits for partial months of service, upgrade/downgrade refunds or for months when the Service was not used.
  2. The subscription fees are exclusive of all taxes, levies and duties, and you shall be responsible for payment of all such taxes, levies or duties, as applicable.
  3. Downgrading your Service may cause the loss of account features or content. Rational Decisions will not be responsible for such loss.
  4. Rational Decisions reserves the right to refuse services to anyone for any reasons at any time without any explanation.

Chaosmonitor™ and Rational Decisions™ are trading names and trademarks of Igor Drozdov.

The Service and its contents is protected by copyright. Reproduction of part or all of the website contents in any form is prohibited unless it is for personal use.

Privacy Policy

See our Privacy Policy document.

Market Data and Quotes

Rational Decisions is not a market data provider. It may however display charts and quotes for illustration purposes. The charts and quotes displayed by Rational Decisions on Chaosmonitor.com website and elsewhere are based on an original form of data compilation and high degree of creativity based on implementation of a unique statistical method. These are new time series with significantly different properties from the market prices as provided by stock exchanges etc. No stock exchange provides us with market data unless expressly stated to the contrary.

In case you consult charts or quotes on the Service, including Chaosmonitor.com you specifically agree to arrange and use simultaneous access to the alternative sources of market data. The names of the stock-exchanges (e.g. NASDAQ, LIFFE) are used by us solely to inform you about what instrument our original data is illustrating and where such instrument may be traded.


The information contained in this website are only our opinions and is not intended to be relied upon to make business or investment decisions. Rational Decisions and Igor Drozdov make no warranties, representations or undertakings about (A) the Service content (B) the content of any other website that this website refers to or links to. While we intend to maintain our website and related services, there is no guarantee that this website will always be accessible. We also cannot guarantee the Service will not be interrupted. While we try to maintain the highest standards of integrity, we cannot guarantee that any information that you may download or copy from this website will be error free or virus free.

For the avoidance of doubt, Rational Decisions and Igor Drozdov do not accept responsibility for any damages that may be caused to you as a result of using this website, as well as any damages that a third party may cause you as a result of you using this website.

Information contained on this website does not represent a financial or investment advice, Rational Decisions is not regulated by any financial authority.