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The Journal

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Market insights and trading education from the Alpha Sentinel team.

396 posts

Discounted Cash Flow Explained: The Idea Behind Intrinsic Value

Discounted Cash Flow Explained: The Idea Behind Intrinsic Value

Discounted cash flow values a business by the cash it may produce in the future, brought back to today. See how it works and where its estimates break.

October 13, 2026Admin
The PEG Ratio: Adjusting Valuation for Growth

The PEG Ratio: Adjusting Valuation for Growth

The PEG ratio divides the price-to-earnings ratio by expected earnings growth. See how it is calculated, when it helps, and where it can mislead you.

October 13, 2026Admin
How Many Holdings Does a Diversified Portfolio Need?

How Many Holdings Does a Diversified Portfolio Need?

How many holdings does a diversified portfolio need? Why the count matters less than overlap, sizing and how differently each holding behaves.

October 13, 2026Admin
T+1 Settlement Explained: What Changed and What It Means for Investors

T+1 Settlement Explained: What Changed and What It Means for Investors

What T+1 settlement changed in the US, how it affects sales, purchases and dividends, and why tax treatment still follows the trade date.

October 13, 2026Admin
Market-Wide Circuit Breakers: How Levels and Pauses Work

Market-Wide Circuit Breakers: How Levels and Pauses Work

How market-wide circuit breakers work: the 7, 13 and 20 percent levels, the 15-minute pauses, the 3:25 p.m. cutoff, and what they mean for your orders.

October 13, 2026Admin
Trading Halts Explained: Why Exchanges Pause a Stock

Trading Halts Explained: Why Exchanges Pause a Stock

Why exchanges pause trading in a single stock, the main types of halt, what happens to open orders, and a simple routine for when a holding halts.

October 13, 2026Admin
Setting Realistic Return Expectations: What History Suggests

Setting Realistic Return Expectations: What History Suggests

What long-run market history says about returns, why averages hide wide swings, and how inflation, fees and time horizon shape what you keep.

October 13, 2026Admin
Total Return: Why Price Alone Understates What You Earned

Total Return: Why Price Alone Understates What You Earned

Total return adds dividends and interest to price change. Learn why price charts understate gains and how to read the return figures on your statements.

October 13, 2026Admin
How to Track Your Net Worth Without Spreadsheet Fatigue

How to Track Your Net Worth Without Spreadsheet Fatigue

Learn how to track your net worth with a simple list, a fixed schedule and a few rules that keep the work short. Build one you will still use next year.

October 13, 2026Admin
How RSUs Work: Vesting, Withholding and Taxes

How RSUs Work: Vesting, Withholding and Taxes

How RSUs work: when restricted stock units vest, how withholding is set, and why your tax bill can exceed what was withheld. Here is the sequence.

October 13, 2026Admin
Alternative Minimum Tax and Stock Options: A Plain-English Explainer

Alternative Minimum Tax and Stock Options: A Plain-English Explainer

Exercising incentive stock options can trigger the alternative minimum tax even if you sell nothing. Here is how AMT and stock options interact.

October 13, 2026Admin
Gifting Appreciated Stock: How It Can Reduce Capital Gains

Gifting Appreciated Stock: How It Can Reduce Capital Gains

Gifting appreciated stock can shift capital gains to a lower-bracket recipient or to charity. Learn how basis, holding period and gift rules actually work.

October 13, 2026Admin