Central bank forward guidance is supposed to help markets anticipate policy direction and reduce volatility by providing transparency about likely rate paths. The Reserve Bank of Australia has embraced forward guidance over the past few years, but the accuracy of that guidance has been poor enough to create new problems rather than solving existing ones.

Forward guidance only works if markets believe it. When the central bank says rates will remain on hold for the next 6-12 months, markets need to trust that assessment to price accordingly. When guidance repeatedly proves wrong, markets stop believing it and discount future statements accordingly.

The RBA’s track record since 2023 shows guidance that consistently underestimated how long rates would need to remain elevated. In mid-2024, guidance suggested rate cuts might begin in early 2025. By late 2024, the timeline shifted to mid-2025. Now in early 2026, rates remain on hold with cuts still several months away at minimum.

This isn’t unique to the RBA—most central banks struggled with inflation persistence and adjusted guidance repeatedly. But the pattern damages credibility regardless of whether the errors are understandable. Markets care about accuracy, not explanations for why forecasts were wrong.

The damage manifests in how markets respond to new guidance. When the RBA now signals confidence about the inflation outlook or hints at policy direction, market pricing barely moves. Traders have learned that RBA guidance is unreliable and weight their own analysis more heavily. This defeats the purpose of guidance, which is to coordinate market expectations with policy intentions.

Currency markets are particularly affected because AUD positioning depends partly on expected rate differentials between Australia and other economies. If RBA guidance suggests rates will remain elevated while other central banks cut, this should support AUD. But if markets don’t believe the guidance, the currency impact is muted.

I’ve observed AUD/USD responses to RBA statements shrinking over the past 18 months. Statements that would have moved the pair 40-60 pips in 2023-24 now generate 20-30 pip moves that often reverse within hours. This suggests markets are treating RBA communication as less informative than previously.

The credibility problem creates a vicious cycle. When guidance proves inaccurate, markets discount future guidance. This makes guidance less effective at coordinating expectations. The central bank then needs to rely more on actual policy actions rather than communication, which increases volatility because markets are surprised more frequently.

Some of the forecast errors are genuinely difficult to avoid. The RBA, like other central banks, underestimated how persistent services inflation would prove after goods inflation moderated. Wage growth remained stronger than expected. Productivity growth was weaker than assumed. These forecasting errors are understandable given unprecedented post-pandemic economic dynamics.

But acknowledging that errors are understandable doesn’t restore credibility. Markets don’t care why forecasts were wrong, only that they were wrong. And the pattern of consistent directional bias—guidance repeatedly suggesting easing will come sooner than it actually does—suggests systematic over-optimism rather than random forecast error.

The RBA appears caught between competing pressures. Providing detailed forward guidance helps markets and reduces uncertainty, but creates accountability when forecasts prove wrong. Providing vague guidance avoids accountability but leaves markets confused about likely policy paths. Neither option is satisfactory when the forecasting track record is poor.

Some central banks have responded to this problem by becoming more conditional in their guidance. Instead of saying “we expect to hold rates for six months,” they say “if inflation evolves as expected, we anticipate being able to hold rates for an extended period.” This adds caveats that provide flexibility when conditions change.

But conditional guidance only helps if the conditions are clearly specified and the contingent response is credible. Vague conditionality (“if the economy evolves in line with our expectations”) doesn’t add much information. Markets already understand that guidance is conditional on forecasts being accurate.

The alternative is for central banks to focus guidance on their reaction function—how they’ll respond to different economic scenarios—rather than forecasting specific outcomes. This is more robust because it doesn’t require accurate forecasts, only clarity about decision-making frameworks.

The RBA has partially moved in this direction, emphasizing that policy will be “data-dependent” and outlining the indicators they’re monitoring. But data-dependence without guidance on how data translates to policy action isn’t particularly informative. Markets can observe the same data; what they need is insight into how the central bank will interpret and respond to it.

Foreign exchange impact extends beyond direct AUD moves. Reduced RBA credibility affects positioning in carry trades, hedging decisions by Australian corporates, and offshore investor willingness to hold Australian assets. When you can’t reliably forecast Australian rate paths, you reduce exposure or increase hedging costs, both of which affect currency flows.

The broader economic consequence is that ineffective guidance increases uncertainty and may lead to higher risk premiums in Australian asset prices. If investors can’t trust central bank signals about policy direction, they demand higher returns to compensate for increased uncertainty. This could manifest as wider credit spreads or higher equity risk premiums.

Rebuilding credibility requires either improving forecast accuracy (difficult given genuine uncertainty) or changing the guidance framework to be more robust to forecast errors. The latter seems more achievable—focus on explaining the decision-making process and likely responses to different scenarios rather than predicting specific timing of policy changes.

When developing forecasting models with specialists in this space, we’ve found that treating RBA guidance as one input among many rather than privileging it produces better results. This is a direct consequence of reduced guidance credibility.

For currency traders, the practical implication is to weight RBA communication less heavily than previously and focus more on independent analysis of economic data and comparisons with other central bank trajectories. The information content of RBA forward guidance has diminished enough that it should be discounted relative to other analytical inputs.

For the RBA itself, the challenge is whether to persist with forward guidance despite credibility issues or adopt a different communication approach. Some central banks have de-emphasized forward guidance after similar credibility problems. Others have refined their approach to be more conditional or scenario-based.

What’s clear is that the current approach isn’t working well. Markets largely ignore RBA guidance, communication doesn’t effectively steer expectations, and the gap between guidance and outcomes creates additional volatility rather than reducing it. Something needs to change, either in forecasting capability or communication framework.

The meta-problem is that once credibility is damaged, rebuilding takes time even if the approach improves. Markets remember the track record of inaccurate guidance and will be skeptical of future statements until a sustained period of accurate guidance rebuilds trust. This means the credibility deficit could persist for years even if forward guidance immediately improves.

For anyone trading AUD or making decisions based on Australian interest rate expectations, the lesson is clear: don’t rely too heavily on RBA forward guidance. It’s one data point among many, and recent track record suggests it deserves less weight than other analytical inputs. This is unfortunate because effective central bank communication should be valuable, but credibility earned through accurate guidance needs to be re-established before that value can be realized.