Historical investing tools, reproducible studies, and practical reading guides

Analysis & Market Notes

These reading guides separate sourced facts, hypothetical calculations, and interpretation. For results computed directly from our simulator data, start with the three original studies. Revised articles identify material corrections and explain which questions a price backtest can answer.

Market Trend

Liquidity changes hands: the Fed steps back, banks step in

Why a September rate hike need not drain liquidity, what an emptied reverse-repo balance changes, and why bank capital rules — not the Fed’s balance sheet — have become the policy channel to watch.

Published September 20, 2026
Reading guide

Reading a rate-driven stock selloff without a forecast

A discount-rate worksheet and a way to distinguish observed prices from explanations of a selloff.

Reviewed September 7, 2026
Reading guide

Reading Stock Charts Will Put You on a Different Path as an Investor — Start With These 6 Signals

Six things every investor should know how to read on a stock chart — candlesticks, support and resistance, trend types, moving averages, and the three patterns that most reliably signal a new uptrend.

Reviewed September 7, 2026
Reading guide

Circle and USDC: a reserve-income sensitivity worksheet

Separate reserve balances, reserve income, distribution costs, and shareholder profit before interpreting stablecoin growth.

Reviewed September 7, 2026
Reading guide

A chip-stock decline: three questions before changing a position

Review business evidence, concentration, and cash needs with a hypothetical position-size calculation.

Reviewed September 7, 2026
Reading guide

What market breadth can and cannot tell you

A worked concentration example and an honest guide to the Bubble Meter’s historical limitations.

Reviewed September 7, 2026
Reading guide

AI compute pricing: test the economics before the headline

A hypothetical utilization and rental-rate model that separates customer demand from financing and profit.

Reviewed September 7, 2026
Reading guide

Reading NVIDIA’s Q1 FY2027 results: earnings versus valuation

Verified issuer figures and a worked explanation of why one quarter cannot establish a stock’s fair value.

Reviewed September 7, 2026
Reading guide

ETFs Explained: What You're Actually Buying — and the 4-Point Checklist for Picking One

What an ETF actually is, why asset managers keep launching new ones, the four numbers worth checking before you buy (net assets, expense ratio, volume, distributions), and why leveraged and inverse ETFs lose money in ways their charts don't show.

Reviewed September 7, 2026
Reading guide

NVIDIA’s financing announcement: intended capital is not funded capital

What the August 2026 announcement establishes, what remains conditional, and a hypothetical lending stress test.

Reviewed September 7, 2026
Reading guide

Nine terms for reading financial statements

Everything a beginner needs from a financial statement fits into nine plain-English words: revenue, operating income, net income, assets, liabilities, equity, ROE, moat, and earnings growth. Here is what each one answers.

Reviewed September 7, 2026
Reading guide

How to compare 13F filings without inventing a trade

A share-count reconciliation worksheet explaining why position value changes do not reveal purchase spending or investor intent.

Reviewed September 7, 2026
Breaking

NVIDIA Doubled Revenue to $96 Billion — and Answered the AI Bubble Question With "100% Confidence"

NVIDIA's Q2 FY2027: $96.2B revenue (+106% YoY), 75% gross margin, and a $108B guide that excludes China. Inside the earnings call where Jensen Huang answered the circular-demand worry with a workload claim — and what the quiet customer-mix shift means.

Published August 27, 2026
Reading guide

Where a 12% "Dividend" Comes From: Covered-Call ETFs Explained With One Apple Farmer

A covered-call ETF sells away part of an index's upside and hands you the proceeds as monthly income. An apple-farmer story shows how the payout is manufactured, why a bigger advertised yield means a lower ceiling, and who should own one.

Published September 12, 2026
Reading guide

Three Chart Checks Before You Press Buy: Trend, Floors and Ceilings, and Volume

Before acting on a tip, a chart answers three questions in thirty seconds: which way the trend leans, where support and resistance sit, and whether enough people showed up to believe the move. Why golden crosses and green candles are not buy signals.

Published September 12, 2026

New — the AI Bubble Meter: a live breadth & concentration gauge that scores how narrow the S&P 500 rally is, built from the dot-com lesson in our breadth post.

Test what you read: open the simulator, pick the assets a post discusses, and set a matching date range to see the historical figures for yourself.

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