Irina Rybkina
A finance researcher with a penchant for precise figures and clear narratives. He writes about how to preserve and grow capital—offering no promises of miracles, but simply helping to make sense of the details.
Author’s articles
ROIC vs WACC: How to Tell Whether a Company Creates Shareholder Value
A practical guide to ROIC and WACC: how to measure return on invested capital, cost of capital, economic profit, capital allocation quality and whether growth creates shareholder value.
Value Trap: Why Cheap Stocks With Low P/E Can Still Lose Money and How to Check a Company Before Buying
A practical guide to value traps: why low P/E, low EV/EBITDA, low P/B and high dividend yield can mislead investors, how to check earnings quality, free cash flow, debt, cyclicality, governance and catalysts before buying cheap stocks.
Old BTC Addresses Under Threat: Quantum Risks, BIP‑361 and Bitcoin Security
Are old BTC addresses under threat from quantum computers? We break down the risks, BIP‑361 upgrade plan, and how to protect your Bitcoin holdings.
GPT-5.4: OpenAI Masters PC Control and Signs $200M Pentagon Contract
GPT-5.4 native PC control (75% OSWorld), 1.05M context,
Moscow Trading Week 2026: Key Financial Markets Event for Russia & CIS Traders
Moscow Trading Week, an international conference for traders, investors, and professional financial market participants, will be held in Moscow's Federation Tower (12 Presnenskaya Embankment) from May 13 to 15, 2026. It is the largest business event in Russia and the CIS, targeting a professional audience of stock market investors, brokers, managers, and regulatory officials. The
AI Stocks: +150–300% Growth in 3 Years — Who's Next to Explode in 2026
Artificial intelligence companies are building the next technology supercycle. AI sector leaders delivered average +180% returns from 2023–2025, while infrastructure plays (chips, data centers) gear up for capitalization doubling on $1T+ annual CapEx trajectory. What Are AI Stocks? AI stocks represent publicly traded companies whose core business revolves around artificial intelligence development, deployment, or enabling
Alphabet Stock: How Google’s Parent Became a Trillion‑Dollar AI Powerhouse
Alphabet Inc., the parent company of Google, has turned its stock into one of the core pillars of the global equity market. In 2025 the shares delivered a spectacular rally driven by artificial intelligence, cloud computing and resilient advertising demand. Key facts about Alphabet stock today Ticker symbols: GOOGL (Class A, voting), GOOG (Class C,
P2P Deals: Direct Crypto Trading Without Middlemen — A Flexibility and Risk Guide
P2P trading is a flexible way to trade cryptocurrency directly between users. Learn how transactions work, the pros and cons of P2P trading, risks, and security measures.
BUIDL BlackRock: Tokenized Fund and How It Works
Each BUIDL token = share in U.S. Treasury-backed portfolio (~$1 value). Yield: daily interest paid as new BUIDL tokens. Access: qualified investors only via KYC/whitelist.
BlackRock: Tokenization = Trillions in 2026 (BUIDL $2.9B)
In the official BlackRock Investment Outlook 2026, tokenization is named one of the key mega-trends in global finance. BlackRock CEO Larry Fink stated: "Tokenization of real-world assets represents a multi-trillion dollar opportunity that is still in its infancy." The market is at its early development stage. What BlackRock Actually Says Direct quotes from Investment Outlook