How Long Does It Take the Stock Market to Recover From a Crash? Median 2.1 Years (Python)
How long does it take the stock market to recover from a crash? S&P 500 median: 2.1 years across 12 crashes since 1928. Depth table, dividends, Python.
Investment
Sharpe Ratio vs Sortino Ratio: A Sharpe Tie Became 2.08 vs 1.65 (Python)
Sharpe ratio vs Sortino ratio in Python: Bitcoin and QQQ tied on Sharpe (0.98 vs 0.97) over 10 years, but Sortino scored them 2.08 vs 1.65. Here’s why.
How Often to Rebalance Portfolio? Once a Year (39 Trades Matched 477 in 40 Years)
How often to rebalance portfolio? Once a year: in a 40-year 60/40 Python backtest, 39 trades matched monthly’s 477 on Sharpe with a smaller drawdown.
Lump Sum vs DCA S&P 500: A 3-Month DCA Lost Money More Often Than Investing at Once
Lump sum vs DCA S&P 500 since 1988: lump sum won 65-78% of 453 start months, and DCA barely changed the odds of a losing year. Python script included.
Compare My Portfolio to the S&P 500: Why a 3.7-Point Loss Can Look Like a Win (Python)
How to compare my portfolio to the S&P 500 the right way: a Python shadow benchmark on 5 years of real data turns a fake +1.5-point win into a 3.7-point loss.
Do You Choose $1,000,000 Now or $6,000/Month for Life?
I just read this post on X: Post: “If someone offered you $1 million of cash or $6,000/mo for life? Take the $6,000/mo for life every time. Absolute no brainer.” I was stunned that most people didn’t seem to understand that this is not the best option. So, which option is better: To answer this … Read more
How to Use ChatGPT as Your Stock Analyst ($NVDA)
The average financial analyst makes bw $88k and $101k per year in the US. Can they be replaced by AI? Absolutely! Check out this NVDA discounted cash flow analysis with ChatGPT 5.1 Thinking: 👇 In this video, you’ll learn how to use the thinking model ChatGPT 5.1 to perform a discounted cash flow analysis of … Read more
This Finviz Screener Finds Recession-Proof Stocks — Four Variables Suggested by AI
Disclaimer: This is not investment advice – just financial entertainment. TLDR: These are the four variables to screen to find recession proof stocks according to financial research (e.g., Morningstar) Here’s the video I recorded: What is a Recession? A recession is simply a broad, painful slowdown in the economy: falling output, jobs, incomes, production, and … Read more
Modelling TSLA. How many humanoids in 2030?
Elon targets billions of robots – but, understandably, doesn’t provide super clear guidance on the growth story (that I’m aware of). Everybody agrees on the importance of Optimus for TSLA investment case. We can ball-park the profit per TSLA bot in the long-term ($5k – $50k lifetime value for TSLA) How many TSLA bots will … Read more
Finviz Screening for Magic Formula Investing (High ROC, Low P/E)
Learn how to apply Joel Greenblatt’s legendary ‘Magic Formula’ investing strategy without paying for expensive software. I’ll break down the core math behind buying good companies at cheap prices (High Return on Capital + High Earnings Yield) and give you a step-by-step tutorial on setting up a custom scan in Finviz. Watch to see exactly … Read more
FREE INTEREST RATE CALCULATOR | Debt Dragon Slayer: Calculate Loan Rate from Payment & Term Instantly!
Behold the Debt Dragon Slayer – a fun twist on the classic interest rate calculator that transforms loan mysteries into an epic fantasy battle! 🐉 DEBT DRAGON SLAYER ⚔️ 💰 Dragon Hoard: $ ⚔️ Monthly Swings: $ ⛵ Years: 🗓️ Months: 🔥 SLAY THE BEAST! 🔥 🐲 Greed Rate: —% (Annual) 💰 Total Tribute: $— … Read more
Buy, Borrow, Die Strategy – The Ultimate Calculator
This free online calculator shows how affluent investors buy appreciating assets, borrow against them instead of selling (so no capital gains), and potentially pass assets to heirs with a step-up in basis—use the calculator to test your numbers, debt safety, and long-term net worth in seconds. Buy · Borrow · Die — Calculator Enter your … Read more