Investing Guides
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Quick, comprehensive answers to common investing questions. Each guide explains one topic in depth with examples and plain English.
Options Trading
10 guides
Call Option Example: Step-by-Step with Real Numbers
A step-by-step call option example using Apple stock, showing exactly how profit, loss, and breakeven work with real dollar amounts. No jargon — just clear numbers and three scenarios.
Put Option Example: How You Make or Lose Money
A step-by-step put option example using Apple stock, showing exactly how profit, loss, and breakeven work with real dollar amounts. No jargon — just clear numbers and three scenarios.
Options Trading for Beginners: How It Actually Works
Options let you control 100 shares of stock for a fraction of the cost. This guide starts with a concrete Apple call option example, then walks through the four things every beginner needs to understand: calls and puts, strike prices, premiums, and expiration. It serves as the hub page linking to every deep-dive options guide on StockCram.
Call vs Put Options: Side-by-Side with Examples
A side-by-side comparison of call and put options using the same Apple stock at $100. See how each trade is set up, what happens in three scenarios, and exactly when each one makes or loses money — with real numbers.
What Happens When Your Option Expires? Real Examples
You bought an Apple $190 call for $400. Expiration day arrives and Apple is at $187. What happens next? This guide walks through exactly what happens when options expire in the money, at the money, and out of the money — with specific dollar amounts, an expiration scenario table, and the one rule most traders follow to avoid surprises.
Strike Price Explained: How to Choose the Right One
Apple is at $185. You can buy a $175 call for $13, a $185 call for $5, or a $195 call for $1.50. Each has a different cost, a different breakeven, and a different probability of profit. This guide puts all three side by side so you can see exactly how the strike price changes everything about an options trade.
Why Did My Option Lose Value? Premium Explained
You bought an Apple $190 call for $8.00 when Apple was at $185. Two weeks later Apple is at $192 — up $7. But your option is worth only $6.50. You lost $150 on a trade where the stock went your way. This guide explains exactly why, breaking down intrinsic value vs. time value with a before-and-after table so you can see where the money went.
ITM vs OTM Options: Cost, Probability & Examples
Apple is at $185. A $170 call costs $17, a $185 call costs $5, and a $200 call costs $1.50. Which one should you pick? This guide puts all three side by side — showing exactly what happens to each if Apple rallies, stays flat, or drops — so you can see the real tradeoff between cost, risk, and probability.
Theta Decay Example: How Much Options Lose Each Day
A step-by-step theta decay example using an Apple $190 call, showing exactly how much value the option loses each day — from $0.05/day early on to $0.30/day near expiration. No theory — just real numbers and a day-by-day table.
IV Crush Explained: Why Your Options Lost Value
Tesla is reporting earnings tonight. IV is at 80%. You buy a $200 call for $12. Tesla beats estimates, the stock jumps 3% to $206 — and your option drops to $8. You lost $400 on a trade where you were RIGHT about the direction. This guide explains IV crush, shows how the same option behaves at different IV levels, and covers why implied volatility matters more than most beginners realize.
Stock Market Basics
6 guides
Dividend Investing: How Much Income Can You Earn?
Dividends are cash payments companies make to shareholders from their profits. This guide starts with a real example — 100 shares of Coca-Cola generating $194/year — then shows how reinvesting dividends for 20 years compounds your returns, walks through the 4 key dates every investor must know, and explains why a very high yield is often a warning sign.
P/E Ratio Explained: High vs Low with Real Examples
The P/E ratio tells you how much investors pay per dollar of earnings. This guide compares Apple (P/E 28), AT&T (P/E 8), and Tesla (P/E 55) to show what high and low P/E actually signals — and why a low P/E doesn't always mean cheap.
How Stocks Work: A Beginner's Example with Real Numbers
Stocks give you real ownership in companies like Apple. This guide walks through a concrete example — buying 10 shares at $185 and seeing three possible outcomes — then explains what ownership means, how returns work, and how stocks compare to bonds and savings accounts.
ETF vs Mutual Fund vs Index Fund: What's the Difference?
ETFs, mutual funds, and index funds sound similar but work differently. This guide puts $10,000 into VOO (an ETF), VFIAX (a mutual fund), and 5 individual stocks to show the real cost and performance differences over 10 years — then explains what each actually is and when each makes sense.
S&P 500 Explained: What It Is and Historical Returns
When people say 'the market is up,' they usually mean the S&P 500. This guide starts with a striking number: $10,000 invested in the S&P 500 in 1993 grew to approximately $200,000 by 2025 — surviving crashes of 49%, 57%, and 34% along the way. We cover how the index works, its 11 sectors, how companies get selected, and how it compares to picking individual stocks or holding a savings account.
How the Stock Market Works: A Simple Guide
The stock market is where millions of people buy and sell ownership in companies every trading day. This guide walks through what actually happens when you place a real order — from clicking 'Buy' to owning shares in under a second — then covers NYSE vs Nasdaq, what drives prices, and why the market is not the economy.
Getting Started
5 guides
How to Buy Stocks: Your First Trade Step by Step
Your first stock trade takes 60 seconds. This guide walks through buying 5 shares of Apple at $185 on Fidelity — the exact order form, the confirmation screen, and the market vs limit order tradeoff. Then we cover what happens after you click buy: settlement, taxes, and building from here.
How to Start Investing with $100: A Beginner's Guide
You can start investing with $1 through fractional shares. The barrier is not money — it is starting. This guide walks through a $100/month starter plan: $50 into VOO (S&P 500 ETF), $30 into SCHD (dividend ETF), $20 into bonds. We show what that looks like after 1 year, 5 years, and 10 years — then cover every step from emergency fund to first purchase.
Market Order vs Limit Order: Which Is Safer?
You want to buy Apple at $185. A market order fills at $185.12 — you just paid $12 more than expected on 100 shares. A limit order at $185.00 fills at exactly $185.00, or does not fill at all. This guide walks through both scenarios, then shows how the stakes change across liquid stocks, small caps, fast-moving markets, and options.
Brokerage Account Types: Which One Should You Open?
You have $5,000 to invest. In a taxable brokerage account, your gains are taxed every year. In a Roth IRA, they grow tax-free. In a Traditional IRA, you get a tax deduction now but pay later. Over 20 years, the difference is thousands of dollars. This guide compares every account type with specific numbers, then walks through opening your first account in 15 minutes.
Paper Trading: Practice Stocks Without Real Money
You paper trade Apple: buy 10 shares at $185. Two weeks later, Apple is at $192 — you are up $70. Feels great. Then you go live with real money, Apple drops 3%, and you panic-sell at a loss. Why the difference? Paper trading teaches mechanics. Real trading teaches emotions. You need both. This guide covers how to paper trade effectively, its real limitations, and when to switch to real money.
Investment Strategies
4 guides
Growth vs Value Investing: Which Has Performed Better?
Growth investing and value investing have traded the lead for decades. This guide puts real numbers behind the debate — showing how $10,000 split between growth and value indexes performed from 2014 through 2025, why growth dominated the 2010s, why value roared back in 2022, and how blending both styles has historically smoothed the ride.
Asset Allocation by Age: Model Portfolios That Work
Asset allocation — how you divide your money between stocks, bonds, and cash — determines roughly 90% of your portfolio's long-term performance. This guide follows three hypothetical investors at ages 25, 45, and 65 to show how the same $10,000 grows differently depending on the allocation, then covers model portfolios, rebalancing, and when to adjust your mix.
Portfolio Diversification: $10K Example That Reduces Risk
Diversification means spreading your money so that no single bad pick can wreck your portfolio. This guide puts a number on it: in 2022, a $10,000 all-in-Tesla portfolio lost 65%, while a 5-ETF diversified portfolio lost only about 15%. We break down the math, show the diversification curve, and explain why 20-30 uncorrelated holdings capture most of the benefit.
Dollar Cost Averaging: $100/Month Real Example
A step-by-step dollar cost averaging example investing $100/month into SPY for 12 months. See exactly how many shares you buy each month, why you get more when prices drop, and how your average cost compares to lump-sum investing.
Risk & Analysis
3 guides
How to Analyze a Stock: Fundamental Analysis for Beginners
Apple reported $394 billion in revenue, $97 billion in net income, and $110 billion in free cash flow — but what do those numbers actually tell you about whether the stock is worth buying? This guide walks through how to read the three core financial statements, calculate key ratios like P/E and ROE, and evaluate whether a company's stock price reflects its underlying value.
What's Your Risk Tolerance? Find Your Investor Type
Three investors each had $50,000 in the market when it dropped 30%. The conservative investor sold at -15% and locked in a $7,500 loss. The moderate investor held through and recovered in 14 months. The aggressive investor bought more during the dip and ended up +40%. Same market, three completely different outcomes — all determined by risk tolerance. This guide explains what risk tolerance actually is, how to assess yours honestly, and how it shapes every portfolio decision you make.
How to Read Stock Charts: Technical Analysis Basics
Pull up Apple's 6-month chart and you'll see support at $175, resistance at $195, a bullish MACD crossover, and RSI sitting at 62. But what does each of those mean — and how do traders actually use them? This guide walks through reading one real chart from start to finish, covering candlestick patterns, key indicators, support and resistance, and the honest limitations of technical analysis.
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