Site Map
Updated 12 July 2026 · by Theo Chen
Every page on the site, grouped by section. Looking for something specific? (or use Ctrl+F / Cmd+F to find on this page).
Calculators & Tools
Core income strategies
- Covered Call Calculator — Model max profit, breakeven, annualized return, downside protection and the payoff diagram for a covered call.
- Cash-Secured Put Calculator — Return on capital, effective cost basis if assigned, and breakeven for a cash-secured put.
- Wheel Strategy Calculator — Track premium, cost basis and P&L across every cycle of the wheel — puts, assignment and called-away events.
- Rolling Decision Calculator — Repair an in-the-money short put: net credit, new breakeven, and which of the three roll-repair stages your roll is.
- Jade Lizard Calculator — Sell a put plus a call spread for a credit: the no-upside-risk check, net credit, downside breakeven, max loss and return on capital.
- Big Lizard Calculator — A Jade Lizard on an at-the-money straddle body: the no-upside-risk check, net credit, downside breakeven, max loss and return on capital.
Defined-risk & spreads
- Poor Man's Covered Call Calculator — Run a covered call on a LEAPS instead of 100 shares: net debit, max profit, breakeven, return on debit and an annualized income yield.
- Bull Put Spread Calculator — Sell a put credit spread with defined risk: net credit, max profit, max loss, breakeven, return on risk and the payoff diagram.
- Call Spread Calculator — Bull call (debit) or bear call (credit) vertical: net debit/credit, max profit, max loss, breakeven, return on risk and the payoff diagram.
- Calendar Spread Calculator — Same-strike call or put calendar: net debit, estimated near-expiry max profit, max loss, both breakevens and return on debit, with the far leg priced by Black-Scholes.
- Iron Condor Calculator — Both credit spreads at once: net credit, max profit, max loss, both breakevens, profit-zone width and annualized return on risk.
- Iron Butterfly Calculator — Sell the ATM straddle inside protective wings: net credit, max profit, max loss, both breakevens, profit-zone width and return on risk.
- Butterfly Spread Calculator — Long 1-2-1 call or put butterfly: net debit, max profit at the body, max loss, both breakevens, profit-zone width and return on risk.
- Broken Wing Butterfly Calculator — Skewed-wing butterfly (put or call): credit or debit, max profit, max loss, the no-risk side, breakevens and the probability of profit.
- Straddle & Strangle Calculator — Long straddle or strangle: buy a call and a put for a move either way — net debit, max loss, both breakevens and the percentage move needed to profit.
- Long Call & Long Put Calculator — Buy a single call or put with defined risk: net debit, max loss, breakeven, max profit and the percentage move the stock needs to reach profit.
- Diagonal Spread Calculator — Call or put diagonal — a calendar with two strikes: estimated near-expiry max profit, net debit (max loss), breakeven and return on debit, far leg priced by Black-Scholes.
- Protective Put Calculator — Insure long stock with a put: protected floor, maximum loss, breakeven, the cost of protection and its annualized rate.
- Collar Calculator — Protect a stock holding with a put and finance it with a call: net cost, protected floor, capped ceiling, max loss and max gain.
- Payoff Diagram Builder — Plot the expiration P&L of any multi-leg options position — max profit, max loss and breakevens.
Undefined-risk (advanced)
- Short Strangle & Straddle Calculator — Sell a strangle or straddle for premium: net credit, both breakevens, profit zone and probability of profit — with the undefined-risk warning.
- Twisted Sister Calculator — The mirror of a Jade Lizard: sell a call plus a put spread for a credit with no downside risk — but unlimited upside.
Decision & analysis
- IV Rank & IV Percentile Calculator — See where implied volatility sits in its 52-week range — and whether it is a rich or poor time to sell premium.
- Expected Move Calculator — Turn implied volatility into a 1SD and 2SD price range by expiration — the move the options market is pricing in.
- Black-Scholes Calculator — Price a European call and put from the five Black-Scholes inputs — and see the full set of Greeks: delta, gamma, theta, vega and rho.
- Options Probability Calculator — Turn implied volatility into the odds a stock finishes past a target, expires short of it, or ever touches it before expiration.
- Strategy Finder — Not sure where to start? Answer four questions and get a matched strategy — with a link straight to its calculator.
- Options Expiration Calendar — Upcoming US options expiration dates — every monthly third Friday and weekly expiry, with the days to each, computed live in your browser.
Position sizing
- Kelly Criterion Position Sizing — Size positions by your edge: Full, Half and Quarter Kelly as a percent of your account and in dollars, plus a sensitivity table.
- Kelly Criterion Simulator — Watch Full, Half and Quarter Kelly compound an account trade by trade on the same random run — equity curve, ending balance and max drawdown.
Other tools
- Options Profit Calculator — quick profit and loss estimate for a single options position.
Learn Options Course
Learn Options hub — 7-lesson free course covering the full beginner foundations.
- Lesson 1: What Is an Option? — Calls, puts, strikes, expirations and premium — the parts of a contract, in plain English.
- Lesson 2: Buying vs. Selling Options — Why We Focus on Selling — Most beginners buy options and lose. Here is why this site is about selling them instead.
- Lesson 3: The Options Bench Approach — The house rules that keep beginners safe: cash-secured puts first, and a few hard limits.
- Lesson 4: Your First Cash-Secured Put — Step by step: pick a stock, pick a strike, set aside the cash, and see what happens at expiration.
- Lesson 5: Risk Management for Cash-Secured Puts — Position sizing, what actually goes wrong, when NOT to sell, and how much account you really need.
- Lesson 6: Getting Assigned, and the Wheel — Assignment is the plan, not the failure. How owning the shares turns into the wheel.
- Lesson 7: Putting It Together — and What’s Next — A simple weekly checklist, then where to go next as you graduate past the basics.
Cash-Secured Puts Deep Dive
Cash-Secured Puts hub — a detailed 6-lesson course covering every stage of the trade.
- Lesson 1: What Is a Cash-Secured Put? — The mechanics in plain English — the obligation you sell, the cash you set aside, and the three ways it can end.
- Lesson 2: Why Sell Cash-Secured Puts? — Getting paid to wait to buy a stock you already want — and the honest risks behind the income.
- Lesson 3: Choosing the Strike — Delta, support, and the price you would actually pay — how to pick a strike instead of chasing premium.
- Lesson 4: Testing and Sizing the Trade — The breakeven, return, and downside checks — and why you size for the assignment, never the premium.
- Lesson 5: Managing and Rolling — Taking profit early, when to roll versus take assignment, and how to roll without digging a hole.
- Lesson 6: Assignment and the Wheel — What actually happens when you are assigned — and how owning the shares turns into the wheel.
Guides
Guides hub — plain-English explainers for the strategies behind the calculators.
- Why Keep a Trading Journal (and What to Actually Write Down)
- How Much Buying Power Do Options Use? Margin for Sellers
- How to Tell If an Option Is Liquid (Spread, OI, Volume)
- What to Do When an Options Trade Goes Against You
- How to Choose Stocks for Cash-Secured Puts
- When to Skip a Cash-Secured Put
- The Best Options Income Strategies for Beginners
- Are Covered Calls Worth It?
- The Best Stocks and ETFs for Selling Covered Calls
- The Best Stocks and ETFs for the Wheel Strategy
- Can You Lose Money on Cash-Secured Puts?
- Can You Make a Living Selling Options?
- How Much Can You Make Selling Covered Calls?
- How Much Money Do You Need to Sell Options?
- Is the Wheel Strategy Profitable?
- Should I Roll My Option or Take Assignment?
- What Happens When a Covered Call Expires In the Money?
- The 50% Rule: When to Close an Options Trade Early
- The Best Stocks and ETFs for Selling Cash-Secured Puts
- How to Roll a Losing Cash-Secured Put, Step by Step
- Iron Condors vs Strangles: Defined-Risk Income
- IV Rank vs IV Percentile: Timing When to Sell Premium
- Seven Options-Selling Mistakes That Quietly Erode Returns
- Poor Man's Covered Call vs Covered Call Compared
- How Much to Risk Per Options Trade: Position Sizing Basics
- A Tax Primer for US Options Income
- Theta Decay Explained: How Time Pays the Option Seller
- Trading Psychology for Options Sellers
- Building a Repeatable Weekly Options-Income Routine
- When to Sell Options: Support, Trend and Moving Averages
- 0DTE, Weeklies, Monthlies: Which Expiration to Sell
- The Greeks for Option Sellers: Delta, Theta, Vega
- Reading an Options Chain: A Beginner's Walkthrough
- Selling Calls vs Selling Puts: Volatility Skew
- Should You Sell Options Through Earnings?
- Covered Call vs. Cash-Secured Put: Which Should You Sell?
- How to Choose a Strike Price When Selling Options
- What Happens When an Option Is Assigned
- The Wheel Strategy Explained: A Full Cycle Walkthrough
Brokers & Reviews
- Best Brokers for Options Traders — how the main brokers compare on pricing, platform and fit.
- How to Choose an Options Broker — the criteria that actually matter before you compare names.
- tastytrade vs Interactive Brokers — a head-to-head on the two most serious options platforms.
- tastytrade vs Webull — pay for a better platform, or trade commission-free?
- Webull vs Moomoo — the two free, app-first brokers compared on data and feel.
- Robinhood vs Webull — the two big commission-free apps compared on simplicity vs tools.
- Best Options Trading Tools & Education — software and books worth your time.
- Option Alpha Review — education and no-code automation for systematic premium sellers.
- TradingView Review — best-in-class charting for options analysis, free vs paid.
Strategy Explainers
- Options Strategy Comparisons - the index of every head-to-head "X vs Y" comparison, grouped by theme.
- Iron Condor vs Credit Spread - sell both sides, or just one.
- Covered Calls vs Dividends - manufactured income vs passive payouts.
- Covered Call vs Poor Man's Covered Call — when to own the shares and when to use a LEAPS.
- Iron Condor vs Iron Butterfly — how the two range-bound strategies differ.
- Strangle vs Straddle — two ways to sell premium around a stock's expected move.
- What Is a Bull Put Spread? — put credit spreads explained.
- What Is a Butterfly Spread? — a low-cost, defined-risk pin bet on a target strike.
- What Is a Call Spread? — bull call (debit) and bear call (credit) verticals explained.
- What Is a Calendar Spread? — selling near-dated time decay against a longer-dated option.
- What Is a Protective Put? — insurance that puts a floor under shares you own.
- What Is a Collar? — protecting stock with a put, financed by a call.
- What Is a Covered Call? — income from shares you own, in exchange for capped upside.
- What Is a Poor Man's Covered Call? — covered call exposure without owning 100 shares.
- What Is an Iron Condor? — four-leg range-bound premium selling explained.
- What Is an Iron Butterfly? — a high-credit, defined-risk bet the stock pins one strike.
- What Is the Expected Move? — how the market prices the 1SD move into options.
- Debit Spread vs Credit Spread — paying for a directional move vs collecting premium against one.
- LEAPS vs Shares — stock-like exposure for less capital, and what you trade away.
- Cash-Secured Put vs Buying Stock — get paid to wait for a lower entry, or own the full move now.
- What Is a Diagonal Spread? — a calendar with two strikes and a directional tilt.
- What Is a Long Call? — buying calls and puts: defined risk, leveraged direction.
Core concepts & the Greeks
- What Is Implied Volatility? — the market's forecast of how far a stock may move, priced into every option.
- What Is Delta? — option price change per $1 move in the stock, and a rough probability of finishing in the money.
- What Is Theta? — the daily time decay that pays the option seller.
- What Is Gamma? — how fast delta changes as the stock moves.
- What Is Vega? — how much an option's price reacts to a one-point change in implied volatility.
Reference
- Options Glossary — plain-English definitions of options terms, Greeks and key concepts.
- Quick Reference Card — formulas, rules of thumb and one-liners for options sellers.
- Strategy Setups — how to set up each defined-risk strategy: DTE, delta, IV, profit-take and management.
- How We Calculate — the maths behind every calculator on the site.
- Strategies Index — all covered strategies with links to calculators and explainers.
Site pages
- Home
- Search — find any calculator, guide or glossary term.
- What's New — recently added tools and guides.
- Tools hub — all calculators grouped by category.
- About
- Contact
- Privacy Policy
Site map is updated as new pages are added. If you spot a missing page, use the contact form to let us know.