Priced in: why expectations matter
Markets react to events not only when they happen but from the moment they are expected. An outcome that is widely expected may already be reflected in price before the event; at the event, the move is often decided by the unexpected part. That is why an expected rate cut may not lift prices.
What does priced in mean?
Price reflects what market participants know and expect at the time. If a rate cut has been widely expected for weeks, that expectation is already part of how the market trades. When the outcome is announced, there may be little left for price to adjust to.
This is what it means for an outcome to be priced in. What moves price at the event is often not the event itself but how far, and which way, the outcome differs from expectations.
How expectations get into price
- An expectation forms. Earlier data, officials' statements and economists' forecasts build a common expectation long before the event.
- The market implies a probability. Instruments such as futures show what probability the market gives to different outcomes. That probability can change as the event approaches.
- Price adjusts before the event. As the expectation firms up, price positions for it before the outcome is announced. Part of the move has already happened before the event.
- The surprise is what remains. When the outcome is announced, only the part that differs from expectations is not yet in price. The size of the reaction relates to that difference.
Why an expected rate cut may not lift prices
A rate cut is generally seen as supportive for risk assets. But if the cut is almost certain, that support may be reflected in price before the event. When the decision comes as expected, price can stay flat or even fall.
On such a day attention shifts to what comes after the decision: the wording of the statement, the projections and the press conference. Even with a cut, a hint of fewer cuts ahead can read as tighter than expected. If the cut is seen as a response to a weakening economy, that can weigh on risk appetite too.
Same decision, different reactions
On a day when an expected cut arrives, the reaction is often decided not by the decision itself but by the guidance that comes with it.
Looser than expected
The decision is as expected, but the statement or projections imply more cuts ahead. That part, not yet in price, can bring an upward reaction.
As expected
Both the decision and the guidance match expectations. With nothing left unpriced, the reaction may stay limited.
Tighter than expected
The cut comes, but with a signal of fewer cuts ahead. The decision may look positive, yet the reaction can be downward.
What it shows, what it does not prove
What it shows
- Why the reaction at an event relates more to the surprise than to the outcome itself
- Why part of a move can happen before the event
- Why an expected outcome can see a limited reaction, or one in the other direction
What it does not prove
- Exactly how much of an outcome is priced in; this cannot be measured directly, only estimated
- That the move before the event will reverse after it
- That the market-implied probability will turn out to be right
The MarketLevelMap view
How it relates to zones
While an expectation is being reflected in price before an event, price often moves towards a support or resistance zone. A reaction at that zone at the event carries the effect of both the zone and the surprise. Reading the zone as a band and looking at the candle close after the event helps separate brief wicks from a real breakout.
Price that moves above or below a zone before an event can return to that zone afterwards. Such a return can show that the breakout came with the expectation and the outcome added nothing new; but it is worth remembering that this is a possible reading, not a rule.
Often confused with
- How to read an economic calendarThe forecast column in the calendar is the most direct hint of what the market may have priced in; its difference from the actual value gives the surprise.
- Fed rate decisions (FOMC)For Fed decisions the market-implied probabilities can be followed openly, so expectations being priced in is seen most clearly at these events.
For general information only. Not investment advice.Last updated: