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Rate differentials · BoE vs RBA · priced as of 12 November 2026

GBP/AUD interest rate differential: BoE vs RBA

As of 12 November 2026, the GBP/AUD interest rate differential is −85 bp: the BoE's Bank Rate at 4.00% against the RBA's cash rate at 4.85%, in favour of the Australian dollar. Markets price the gap at −28 bp in six months and +9 bp in twelve.

Over the next six months, markets price the gap to move +57 bp over six months, towards the pound. That six-month gap has moved +10 bp in a month.

The rate spread, now and priced ahead

BoE (GBP)RBA (AUD)Gap
Policy rate now4.00%4.85%−85 bp
Priced in 6 months4.60%4.88%−28 bp
Priced in 12 months4.77%4.68%+9 bp
6-month gap a month ago4.43%4.82%−39 bp

The gap is GBP minus AUD, in basis points (100 bp is one percentage point). Six and twelve months out is the rate implied after each bank's last meeting on or before that date. Market pricing, not a forecast. Each bank's meeting-by-meeting odds: BoE · RBA.

The carry on GBP/AUD

The Australian dollar: the RBA pays 4.85% against 4.00%, a gap of +85 bp. Holding the higher-yielding currency against the lower earns roughly that gap a year before costs, which is what the carry trade collects; a move in the exchange rate can outweigh it.

How the gap feeds the exchange rate, and when it does not: rate differentials explained and the carry trade explained.

Questions

What is the GBP/AUD interest rate differential?

As of 12 November 2026, the GBP/AUD interest rate differential is −85 bp: the BoE's Bank Rate at 4.00% against the RBA's cash rate at 4.85%, in favour of the Australian dollar. Markets price the gap at −28 bp in six months and +9 bp in twelve.

Is the BoE–RBA gap priced to widen or narrow?

Markets price the gap to move +57 bp over six months, towards the pound, from −85 bp now to −28 bp. A month ago (13 October) the same six-month gap was priced at −39 bp, so it has moved +10 bp since. That is market pricing, not a forecast.

Which side of GBP/AUD has the carry?

The Australian dollar: the RBA pays 4.85% against 4.00%, a gap of +85 bp. Holding the higher-yielding currency against the lower earns roughly that gap a year before costs, which is what the carry trade collects; a move in the exchange rate can outweigh it.

Where does this pricing come from?

Each bank's priced path comes from the market instrument behind it: Exchange-traded futures, WatchTower model for BoE, Exchange-traded futures, WatchTower model for RBA. The rate six or twelve months out is the one implied after the last meeting on or before that date. The month-ago figure is from our daily snapshot of the same curves.

More on GBP/AUD: GBP/AUD analysis · GBP/AUD retail sentiment · GBP/AUD seasonality · British Pound outlook · British Pound COT positioning · BoE rate expectations · UK economic surprises · Australian Dollar outlook · Australian Dollar COT positioning · RBA rate expectations · Australian economic surprises

Other rate differentials: GBP/USD 0 bp · AUD/USD +85 bp · EUR/GBP −150 bp · EUR/AUD −235 bp · GBP/JPY +275 bp · GBP/CHF +400 bp · GBP/CAD +150 bp · GBP/NZD +125 bp · AUD/JPY +360 bp · AUD/NZD +210 bp · all 28

In WatchTower Terminal, the Rate spread panel draws the GBP/AUD gap against the price. Nothing here is financial advice.