Event Contract Collateral and Max Loss
Event contract collateral is posted in full by both sides at trade time. See what that caps your loss at, and the yardstick it leaves you to measure with.
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Do Most Options Expire Worthless?
Do most options expire worthless? The 90 percent claim mixes three different outcomes into one number. Here is what expiring contracts actually did.
How Buffer ETFs Work: Caps and Resets
Buffer ETFs absorb the first slice of index losses and cap your upside to pay for it. Here is the payoff math, and why mid period buyers get a different deal.
How Futures Margin Works: SPAN and Calls
How futures margin works: initial versus maintenance levels, SPAN scenario risk, the nightly variation margin cash move, and why intraday rates vanish.
Pin Risk at Options Expiration Explained
Pin risk at options expiration: what happens when a stock closes right on your short strike, and why the option holder decides your Monday position.
Probability of Touch vs Probability ITM
Probability of touch is roughly double the probability of expiring ITM. Here is why, with a seeded random walk argument and real SPY data to check it.
Margin for Selling Naked Options: Reg T Math
How much margin does selling a naked option take? The Reg T minimum formula, both branches, worked in a short Python script and on real option chains.
What Is Maximum Drawdown? Depth vs Recovery
Maximum drawdown is the largest peak to trough fall in a value series. See what counts as a deep one, and why the climb back to a new high takes longer.
How Risky Is Options Trading? The Mechanics
How risky is options trading? Risk depends on the structure: a long call caps loss at the debit paid, a naked short call has no upper bound. See the data.
0DTE Options Strategies: How They Trade
0DTE options strategies explained: credit spreads, iron condors and lottery calls, the gamma clock that governs them, and what the options tape shows.
The Low-Volatility Anomaly
The low-volatility anomaly says more risk does not reliably pay. We line up two years of realized volatility against the return each large-cap stock delivered.
The Lowest-Volatility Stocks
The calmest large-cap stocks ranked by realized volatility. See which single names swing least over the past year and why the index still sits at the floor.
The Best and Worst Thousand Dollars of June 2026
June's best options contract returned 495x; selling that same contract lost 494,000 dollars on a thousand of premium. The full hindsight ledger. Not advice.