What Is an Option Chain?
The chain is where every options decision starts, and most of the mistakes people make with it come from treating all the columns as equally reliable. They are not.
Tag
definitional
Every StaxInvesting article tagged definitional · 23 posts.
23 articles
Time in Force Explained
Time in force is the order parameter most often left at whatever the platform defaults to — and it is the only one that says what happens when an order does not fill.
Market Order vs Limit Order
Almost every order-type question in trading reduces to this one — and the two failure modes are opposite in a way that determines which belongs where.
Cash Settlement vs Physical Delivery
Two contracts can track nearly identical exposure and resolve completely differently — one leaves a number in your account, the other leaves a hundred shares per contract you have to fund.
Bid-Ask Spread Explained
The spread is the least discussed and most consistently paid cost in trading, because it never appears on a statement as a fee — and it is the only liquidity measure that is actually current.
Volatility Skew Explained
If implied volatility were a property of the underlying, every option on it would share the same figure. They do not — and the shape of that disagreement tells you which direction the market considers dangerous.
The VIX Explained
The VIX is the most widely cited number in options and the most widely misunderstood, mostly because people treat it as a forecast rather than what it actually is — a price.
What Is DTE (Days to Expiration)?
DTE is the variable that turns an option from a position into a deadline — and whether a contract expiring today counts as 0 or 1 sounds trivial until it gates an exit rule.
Long vs Short Options Positions
In options, long and short do not mean bullish and bearish. They mean which side of the contract you are on — and that determines your risk profile more than whether it is a call or a put.
Call vs Put Options
Two contract types, four positions, and one distinction that determines the entire risk profile — and it is not the one most people focus on.
Strike Price Explained
The strike is the one term in an option contract that you choose, which makes it the one worth understanding properly — and the place an automated options strategy is most often subtly wrong.
Rho Explained
Rho is the Greek most often skipped, and skipping it is usually the right call — provided you know why, and know the one case where the assumption behind it can quietly distort other Greeks.
Moneyness: ITM, ATM, OTM
Three terms that sound like jargon and encode most of what determines an option's behaviour — including the one that decides whether a short position can turn into an unexpected stock position overnight.
Intrinsic vs Extrinsic Value
Every option premium is these two components added together, and knowing the split tells you what you are actually buying — a bet on movement, or a leveraged position in the underlying.
Open Interest Explained
Volume and open interest sit next to each other on every option chain and measure different things — and the fact that open interest is always a day behind is the most practical thing to know about it.
IV Rank vs IV Percentile
These two measures can disagree sharply about the same day, and the disagreement is the point. One extreme week can make rank say conditions are calm while percentile says they are unusually active.
Implied Volatility Explained
Implied volatility explains why an option can lose money while the underlying moves in your favour — which makes it the concept most worth understanding early.
What Is Slippage?
Slippage is the reason a strategy can be profitable in a backtest and unprofitable in an account — and it is largest in exactly the conditions that produce a strategy's biggest moves, which is when a fixed assumption is most wrong.
Drawdown Explained
Return describes where a strategy ended up. Drawdown describes what it did on the way — and that is the number that determines whether you are still following it at the end.
Futures Contract Specifications Explained
Options traders arrive at futures with no vocabulary for this. There is no premium and no strike — there is a specification sheet, and the three numbers on it determine your dollar risk per contract.
What Is a Futures Trading Bot?
The bot is execution. Whether it makes money depends entirely on the rules it is given — and most of the value in an automated system was created before any code ran.
What Is a Signal Provider?
Choosing a signal provider is the entire decision in copy trading; everything else is implementation. What matters is not their headline return but whether what they provide can be inspected or only inferred.
Social Trading Explained
Social trading is usually presented as the friendly, educational end of the category. The evidence is more complicated: studies found socially influenced trades underperformed the same investors' independent ones.