In the article, from the standpoint of reasons and necessity, the qualitative and quantitative characteristics of the key trends in the development of the stock market in Russia are disclosed. The leading role is assigned to the processes of computerization of the exchange market: the introduction and use of digital technologies that ensure the financial stability of the financial market as a whole, its security and transparency, as well as access of a large circle of investors to banking and financial operations, and the protection of their interests. It has been established that the processes of introducing and using digital technologies, organically built into the mechanism of the functioning of the securities market as a whole, determine the directions of development of such trends as innovations, diversification of stock market instruments, securitization, integration with international stock markets, etc. key trends influenced by the technological development of the stock market, lead to blurring the boundaries between the primary and secondary markets.