Interest rate decisions are scheduled, well-publicized events, yet they remain among the most volatile moments in forex. That's because the actual rate move is rarely a surprise — what matters is the guidance about what comes next.
Why the Number Alone Rarely Surprises
Interest rate futures and swap markets let traders estimate the probability of each possible outcome well before the meeting. By the time the decision is announced, the most likely outcome is usually already reflected in the currency's price. The market reaction depends on the gap between what happened and what was priced in.
What Forward Guidance Actually Is
Forward guidance is the central bank's attempt to shape expectations about future policy without committing to specifics. It can take the form of written statements, press conference remarks, or formal projections like the Fed's dot plot, which shows where individual officials expect rates to be in future years.
It's common to see a currency spike on the rate announcement, then reverse sharply during the press conference as the tone of the guidance sinks in. Never judge the full reaction until the press conference has finished.
Reading a Statement
- ▸Compare wording to the previous statement — small changes in phrasing are deliberate.
- ▸Note any change in the assessment of inflation or growth risks.
- ▸Look for votes split among policymakers — dissent signals uncertainty about the path ahead.
- ▸Watch how many future rate moves are implied, not just the one just made.
The Dot Plot and Rate Path Expectations
Some central banks publish explicit numerical projections; others prefer qualitative language. Either way, markets construct an implied path of future rates from available data, and it's shifts in that implied path — not just the current rate — that drive sustained currency trends.
Trading the Reaction
- 1.Know consensus expectations before the event, not just the previous rate.
- 2.Watch the initial spike, but wait for the press conference to confirm direction.
- 3.Expect wide spreads and fast price action in the first minutes — size positions accordingly.
- 4.Reassess after the dust settles, typically 30-60 minutes later, once liquidity normalizes.
Algorithmic systems react to headlines within milliseconds, often producing brief false spikes before the real move develops. Manual traders are rarely fast enough to profit from that initial tick — chasing it usually means buying or selling the wrong side.