You don't predict the market.
You get paid to wait.
Selling a put is a promise to buy a stock you already want, at a price you already like — and you collect cash for making it. Theta Desk teaches the mechanics behind that trade, step by step, with no signals and no hype.
// Educational only. Not financial advice. Options involve real risk of loss.
Sell the insurance. Don't buy the lottery ticket.
Buying and selling options is buying and selling financial insurance. Over time it pays to be the insurer — not because "most options expire worthless" (that's a myth), but for a reason you can actually measure.
of contracts are ever exercised
Most options never reach the assigned-or-worthless fork at all. Roughly 55–60% are closed before expiration — the seller buys the same contract back, the buyer sells it, and the positions net out at the clearinghouse. Of everything that's written, only about 10% is ever exercised; the remaining ~30–35% expires worthless. So selling is rarely about holding to the bitter end. It's about collecting premium and managing the position on the way.
the volatility risk premium
An option's price is built on implied volatility — the market's priced-in guess of how far the stock will move. Across decades that guess has run higher than the volatility that actually shows up. From 1990–2018, implied averaged about 4.2 points above realized. Buyers overpay for protection the way people overpay for insurance relative to claims — and the disciplined seller harvests the gap. That, not a myth, is the edge.
The CBOE S&P 500 PutWrite Index (PUT) is a mechanical, fully cash-collateralized strategy that sells at-the-money S&P 500 puts every month — about as plain as it gets. Even that simple version has delivered stock-market-like returns with a far smoother ride:
In flat, choppy, and falling markets, put-writing has beaten buying and holding. In a runaway bull it trails — giving up some upside is the trade you make for a steadier ride and smaller losses. 1 CBOE S&P 500 PutWrite Index vs. S&P 500; CBOE / Ennis Knupp evaluation, Jul 1986–Oct 2008. Past performance does not predict future results, and your results will differ based on your own choices. Educational only — not investment advice. Primary sources: Cboe PutWrite Index · OCC · Coval & Shumway (2001) · Bondarenko (2014).
Three things every put seller has to get right.
Most "options income" content sells the upside and skips the part that costs you money. We give all three equal time — including the one nobody likes to talk about.
What a put really is
Contracts, collateral, intrinsic vs. extrinsic value, and exactly what happens at expiration. The plumbing — before any strategy.
Where the premium comes from
How time decay pays you, how to read annualized yield on cash-secured puts, and how to choose strikes and expirations on purpose.
How it goes wrong
Assignment, real max loss, position sizing, and when the wheel turns against you. The math finfluencers leave out of the screenshot.
Learn the whole machine, one piece at a time.
Plain-English explainers, free and ungated. New here? Start at the top. Already trading? Jump straight to the gap in your understanding.
02 The Greeks
03 Positions & Risk
04 Advanced Structures
05 Technical Indicators
06 Strategy & Decisions
The opinionated stuff.
Not glossary entries — what I actually think, from years of trading my own book. The pieces I wish I'd read before I learned the hard way.
Is the wheel actually worth it? I ran it for years
Five structural reasons the wheel oversells and underperforms — and the better way to sell premium.
Read the essay → EssayRealized vs. implied volatility: the only edge that matters
The single idea the whole strategy rests on — and the myth it keeps getting confused with.
Read the essay → EssayWhat a put-selling book really does on a Black Monday
The failure sequence that ends accounts, and the one rule that keeps you in business.
Read the essay → EssayCash-secured vs. naked puts: what I do vs. what I'd teach
Do as I say, not as I do — and exactly why the version I trade isn't the one I teach.
Read the essay →Everything you need to sell puts with a plan.
The free guides teach the mechanics. This is what turns them into a repeatable process you actually run — the full method, plus the spreadsheets that do the math for you. One payment, yours to keep.
Selling Cash-Secured Puts: The Complete Guide
From "what's a put" to running a real book: choosing the stock and strike, the volatility edge that actually pays you, position sizing that survives a crash, rolling, closing at 50% vs 70%, and how to get out of a bad trade with a small loss instead of a big one. Plain English, worked examples, zero hype.
Four calculators that do the math before you trade
A cash-secured put calculator (breakeven, annualized return, max loss), a covered-call calculator, a position sizer that keeps you inside "the wall," and a VIX regime dashboard that tells you when to press and when to wait. Type your inputs; it does the rest.
Know your real win rate — not your gut feel
Log each trade and the dashboard builds your premium collected, realized P/L, win rate, and a month-by-month equity curve automatically. Most sellers never actually add it up. You will.
- 33-page guide, yours to keep
- 4-in-1 calculator workbook
- Trade tracker with dashboard
- Free updates, no subscription
Before you buy.
What is a cash-secured put?
Selling a put while setting aside the cash to buy the stock if you're assigned. You're paid a premium up front to agree to buy a stock you already want at a price you already like. If it never gets there, you simply keep the premium.
How much money do I need to start?
Enough to cover at least one 100-share assignment at your strike — each cash-secured put reserves the strike times 100 in cash. Diversifying properly takes meaningful capital, which is why the guide and the position sizer show you exactly how to size, and when an account is simply too small to run it conservatively.
Is selling puts safe?
No options strategy is "safe." Selling puts earns steadily in calm, flat, and rising markets and loses in sharp drops — historically a 25–35% drawdown in a stress year. The edge is real but statistical, and survival comes down to position sizing. The guide gives the risks as much space as the rewards.
What do I get when I buy?
A 33-page PDF guide, a four-in-one Excel calculator toolkit (cash-secured put, covered call, position sizer, and VIX regime dashboard), and a trade tracker with an auto-building dashboard. One payment, instant download, yours to keep.
Do you offer refunds?
No — all sales are final. These are digital files you download immediately. The articles and tutorials on this site are free and ungated, so you can judge the quality before spending a dollar.
Is this financial advice?
No. Everything here is educational only. It is not investment, financial, legal, or tax advice, and nothing is a recommendation to buy or sell any security. You make your own decisions.
You need income to build wealth — they're not the same thing. What this site teaches is discretionary wealth-building: it should never be money you need to survive, your emergency fund, or how you earn your living. Trade only with capital you can afford to lose without it changing your life.
I came to finance late — and learned it the hard way.
I write here as JL — initials only. I'm an attorney with my own firm and no finance degree, who got curious in my thirties and taught myself — YouTube, then Twitter, then the actual classics. I trade my own book aggressively (margin, naked puts, heavy hedges); none of that is what this site teaches.
I built Theta Desk because when I started, everything I found was about "the Wheel" and easy options income — most of it a rookie trap I fell into myself. This is the site I wish I'd had first. I use AI to research, write, and build — never to decide a trade. That's always my call.