About — Business Dynamics Research: S&P Financials and Trades
Welcome to Business Dynamics Research, a data-driven Substack centered on financial analysis of S&P Financials and trade activity—designed to turn complex financial statements and market data into clear, decision-ready insight.
Here you’ll find fundamental financial analysis, clean charts, and timely research on S&P-500 companies. The focus is on what drives earnings and valuation: profitability, balance sheet strength, capital and liquidity, credit/underwriting risk, and how these interact with rates, cycles, and positioning.
The goal is simple: help you see what’s improving or deteriorating in the numbers, where risks are building, and what may matter next for performance and pricing. 📊📈
What you’ll get here
This Substack is designed for readers who want signal over noise:
Financial sector tracking (S&P Financials, banks, insurers, diversified financials)
ETF and cycle-based analysis
Trade activity and positioning-style reads (where possible, focusing on patterns and dynamics)
Company deep dives and comparisons
Investor frameworks and case studies
Education pieces to build skill and intuition
Expect a mix of:
✅ charts that actually explain something
✅ short “what matters / what changed” notes
✅ deeper research when a theme is breaking out
✅ repeatable frameworks (not one-off takes)
Sections (and what to expect)
🧭 Sectoral ETF Cycles
Cycle-aware analysis of sector and industry ETFs—with special emphasis on financials.
What you’ll see:
regime and rotation signals
relative performance vs SPY / equal-weight benchmarks
“where we are in the cycle” style updates
key inflection levels and risk notes
Perfect if you want a structured view of sector rotation without the fluff.
🏛️ Legendary Investors
A research-driven series unpacking how great investors actually think and operate.
What you’ll see:
strategy breakdowns (what they did, why it worked, when it failed)
portfolio construction habits
decision rules and risk management
modern “what would this look like today?” interpretations
Less hero-worship, more usable frameworks. 🧠
📚 Education — Financial Analysis Focus
A hands-on series to sharpen your financial analysis skills—especially for banks, insurers, asset managers, and broader S&P Financials names. The aim is practical: help you read statements faster, spot what matters, and build cleaner valuation and risk narratives.
What you’ll see:
Financial statement walkthroughs (income statement, balance sheet, cash flow) and what each line really signals
Ratio and driver analysis (profitability, efficiency, leverage, liquidity) with clear interpretation
“How to read the report” guides for earnings decks, filings, and key notes—so you can extract signal quickly
Mini templates you can reuse (checklists, scorecards, driver trees)
Outcome: you’ll build a more structured way to answer “what’s driving performance?”, “what could break?”, and “what’s this worth under reasonable assumptions?” 💼📈
🧾 Company Analysis
Deep dives into individual companies—especially within financials (and adjacent areas).
What you’ll see:
business model and revenue drivers
balance sheet and risk lens (where relevant)
valuation + narrative mapping (what must be true)
catalysts, scenarios, and key watch-items
Aiming for clarity, not complexity. 🔎
⚖️ Company Comparisons
Side-by-side comparisons to answer: who’s positioned better and why?
What you’ll see:
peer benchmarking dashboards
quality, growth, and risk comparisons
“when A beats B” scenario analysis
clean takeaways for decision-making
Great for building conviction (or avoiding false conviction). 📊
🧩 Competitive Landscape Reports
This is the most in-depth work: industry maps and competitive intelligence.
What you’ll see:
competitive positioning and moats
strategic groups and “who competes with whom”
structural tailwinds/headwinds
compact, decision-ready summaries
Designed for readers who want a boardroom-style overview in a digestible format. 🧠🗺️
Posting cadence 🗓️
This Substack is high-frequency and structured:
✅ Minimum 6 posts per week
✅ At least one post for every section each week
That means you’ll get a steady rhythm of:
quick cycle notes
company work
comparisons
education pieces
investor case studies
competitive landscape insights
Who this is for
You’ll like this newsletter if you:
care about financials and sector dynamics
want data-led insight (not vibes)
prefer repeatable frameworks over predictions
enjoy charts, but want them explained clearly
Subscribe options 🔔
Free subscribers get access to Sectoral ETF Cycles and selected public posts.
Paid subscribers unlock the full research library across Legendary Investors, Education, Company Analysis, and Company Comparisons.
Founding Partners get access to Competitive Landscape Reports and help shape future coverage.
Thanks for reading — and if you subscribe, welcome aboard. 🚀
Who writes this?
I’m Cenk Yildiran —
🎓 BSc in Econometrics
🎓 MSc in Economics & Econometrics
🎓 MSc in Finance
I currently work as a Senior Economist in a public corporation in the UK.
Footnote: The views and posts published here are personal and do not represent my employer, nor are they related to my work.


