Personal income tax in my country is 10% flat. And there's no tax on Kazakhstani stocks. But in some cases those geniuses charge 10% not from profit but from selling amount
So basically whenever a company is incorporated in certain countries or states (Wyoming, Puerto Rico, or Cayman islands, Hong Kong etc) which usually have low tax rates, they charge 10% from from selling amount
Here's what Deloitte & Touche states: https://www2.deloitte.com/content/dam/Deloitte/kz/Documents/media/KZ_Taxation_KAZAKHSTAN_Mahon.pdf CAPITAL GAINS Generally speaking, residents’ capital gains are included in taxable income, but gains on shares held for over three years (in line with the above dividend WHT exemption conditions) are exempt from tax. Insofar as PEs are created, and not registered, counterparties in Kazakhstan are responsible for deducting 20% WHT from payments made to entities having formed a PE. Gains made by non-residents are exempt from taxation in Kazakhstan as they are not derived (directly or indirectly) from shares in subsoil user companies or immovable property in Kazakhstan. When non-residents generate taxable gains, the purchaser of the assets or shares in question is responsible for calculating, withholding and paying any related tax (capital gains). The tax is initially payable at 15%, but may be mitigated by applying a reduced rate under a double tax treaty. A capital gains tax exemption is available (for both residents and non-residents) if any shares disposed of (and gains are made) are sold using the “open trade method” on a “recognised stock exchange”.