Home / Glossary / Term Structure

Glossary · crypto options in plain English

What Is Term Structure? Contango vs Inversion

Term structure is the implied volatility of at-the-money (ATM) options across all expiry dates at once, lined up on a single chart: a week, two weeks, a month, a quarter, half a year. One line — and you immediately see which period the market is charging more for.

If DVOL is one number — «what a month of insurance costs» — the term structure is a full profile in time: where exactly on the calendar the market sees risk.

Contango — the normal state

In quiet times the curve has a characteristic shape: far dates trade richer than near ones. Weekly options carry less volatility than monthlies; monthlies less than quarterlies. That slope is called contango.

The logic is simple and honest: more time means more uncertainty. In a week, usually not much manages to happen; in half a year anything can — a halving, elections, regulators' rulings, crises nobody sees coming today. So the market naturally prices a bigger range into the far dates and charges a bigger premium for them.

When the curve is in contango, the read is this: the market is pricing nothing urgent for the near term. Near-dated risk is cheap; distant uncertainty is at the usual rate. That is the background, «healthy» reading of the gauge.

Inversion — the market pays for «right now»

Sometimes the curve flips: near expiries become richer than far ones. Weekly options carry more volatility than quarterlies. That is inversion — and it is always a signal that something is off with the «calm» scenario.

Inversion means one thing: the market is paying for risk RIGHT NOW, not someday later. There are usually two causes:

• A known event ahead. A Fed decision, inflation data, a court verdict, an ETF ruling — the date is known, and the entire bid for protection compresses into the options that cover it. The near end gets expensive — the curve bends.
• Panic is already underway. Price is flying, liquidations are cascading, and everyone wants insurance for today and tomorrow, not for the spring. The near end of the curve spikes first and hardest.

In both cases the translation is the same: the market expects a big move soon — and is willing to overpay for exactly that slice of the calendar.

What inversion does NOT tell you

• It says nothing about direction. Inversion is about the SIZE of the expected move, not whether it goes up or down. The market can pay for protection ahead of an event that could fire either way. Whoever reads inversion as «a drop is coming» is reading the gauge wrong.
• It doesn't last long. After the event, the curve usually normalizes fast: the uncertainty is resolved and near-dated volatility deflates within hours — the familiar IV crush. Whoever bought expensive short-dated options at peak inversion, only for the event to pass quietly, pays the full price for it.
• It is expectation, not guarantee. The market can price in a storm that never arrives. Inversion says what is being paid for — not what will happen.

How we use the curve at INDICIA

The term structure is the second look after DVOL in our morning intel. DVOL answers «what insurance costs»; the curve answers «which slice of time the market is watching nervously». Together they give a fuller picture than any single number.

• Contango — background mode: we work the usual plan, near-dated risk is cheap.
• Inversion — a flag: an event ahead or panic already underway; we check the calendar, position sizes and the price of protection before acting.

The term structure for BTC and ETH, with an automatic «contango / inversion» verdict, updates daily on our volatility board — alongside DVOL and 2.5 years of history.

INDICIA DESK · Crypto options market intelligence (BTC / ETH).
Educational content and a system decision journal. Not financial or investment advice.