INDUSTRY INSIGHT

Inflation's Back. Your Borrowers Are Already Moving.

How Australian lenders can turn rate-cycle volatility into a growth engine with automated decisioning, digital engagement, and the right technology stack

Australia's inflation story was supposed to be over.

After the Reserve Bank of Australia delivered three rate cuts through 2025, bringing the cash rate down to 3.60%^[1], households exhaled. The worst of the post-pandemic tightening cycle appeared to be behind us. But inflation has other plans.

The December quarter 2025 CPI came in at 3.6%, the highest in six quarters, with the RBA's preferred trimmed mean measure climbing to 3.4%, well above the 2–3% target band.^[2] Monthly figures have been even more volatile, with the October reading spiking to 3.8% as government electricity rebates expired and housing costs continued their relentless climb.^[3] The RBA Deputy Governor Andrew Hauser put it plainly in January: inflation above 3% is "too high."^[4]

Two of the big four banks, CBA and NAB, are now forecasting rate hikes in February 2026, with NAB calling for a second in May. Citi is tipping two consecutive hikes.^[5] The era of rate relief, it seems, was brief.

For lenders, this isn't just a macroeconomic headline. It's an operational inflection point. When rates move, borrowers move. And the institutions that capture that demand, rather than watch it flow to competitors, are the ones with the systems, speed, and digital sophistication to respond in real time.

When Rates Rise, Refinancing Surges

The behavioural response to rate-cycle shifts is well-documented and remarkably consistent: borrowers actively seek better deals. Whether rates are falling (and borrowers chase lower offers) or rising (and borrowers scramble to lock in before conditions worsen), the result is the same; a surge in refinancing activity.

The numbers from 2025 tell the story clearly. Mortgage demand rose 5.2% year-on-year in Q1 2025, with external refinancing growing 11%, the first positive Q1 result since 2023. By March, external refinancing accounted for more than 20% of all mortgage inquiries.^[6] PEXA reported an 8.4% year-on-year increase in refinancing volumes in February, and a Mozo survey found that 49% of Australians were actively considering refinancing.^[7]

Investor borrowers have been at the forefront, accounting for up to 80% of total refinance inquiries in March 2025, up from around 60% the prior year. Many of the loans being refinanced originated during the ultra-low-rate period of 2020–2021, with borrowers who had already refinanced once in 2022–2023 now shopping again.^[8]

Now, with the prospect of rates actually rising again, that urgency intensifies. For borrowers on variable rates, a 25-basis-point hike on a $600,000 mortgage adds roughly $90 per month to repayments.^[9] For those already stretched, and with the household savings buffers accumulated during COVID now depleted^[10], even small movements matter enormously.

The Borrower Reality

63% of borrowers who refinance switch to a different lender.^[11] For every borrower you retain, you're also losing one to a competitor with faster approvals, better rates, or a smoother digital experience.

The pattern is clear: rate volatility drives refinancing demand, and that demand creates both opportunity and risk. The lenders who win are those who can process applications quickly, assess risk accurately, and reach borrowers at the moment of intent.

The System Gap: Why Most Lenders Aren't Ready

When refinancing volumes spike, the operational pressure on lenders is immense. Applications flood in, processing queues lengthen, and the risk of errors, or worse, fraud, escalates. The institutions that still rely on manual underwriting, legacy loan origination systems, and monthly credit scoring find themselves overwhelmed precisely when the opportunity is greatest.

There are three critical capability gaps that separate the prepared from the paralysed.

1. Automated Decisioning: Speed Without Compromise

Traditional lending decisions rely on lagging credit reports and infrequent scoring updates. In a fast-moving refinancing environment, that's dangerously slow. AI-powered decisioning engines can process applications in minutes rather than days, drawing on real-time data sources including Open Banking transaction feeds, credit bureau data, and behavioural analytics.^[12]

The sophistication of modern loan origination goes far beyond simple automation. AI models now evaluate alternative data, including utility payment history, spending patterns, and employment stability indicators, to build a holistic picture of creditworthiness. This is particularly valuable for the growing segment of non-traditional borrowers who don't fit neatly into legacy scoring models.^[13]

But speed without risk management is reckless. When volumes spike, so do the chances of misrepresentation. Research shows that nearly one in three Australians believe it's common or justifiable to overstate their financial position on a loan application, with that figure rising to over half among Gen Z borrowers.^[14] Real-time transaction scoring and fraud detection analytics become essential safeguards, catching discrepancies that manual reviews simply cannot process at scale.

2. Digital Advertising: Being There at the Moment of Intent

When the RBA signals a rate change, borrower search behaviour shifts immediately. Google queries for "refinance mortgage," "best home loan rates," and "should I fix my rate" surge within hours of an announcement. The lenders who capture that demand are those with sophisticated digital marketing engines already running.

This requires a multi-channel approach: search engine marketing to capture high-intent queries at the moment borrowers are actively searching; programmatic display and social advertising to build awareness and retarget visitors; content marketing with rate calculators, comparison tools, and educational resources that draw organic traffic; and automated email and SMS campaigns that re-engage existing customers with personalised refinancing offers before they start shopping elsewhere.

The data tells a compelling story about effectiveness. Self-generated digital leads can be up to 300% less expensive than purchased leads, and paid digital leads convert at nearly 3.4 times the rate of organic leads.^[15] For lenders with the infrastructure to execute these campaigns dynamically, scaling spend up when rates move and targeting the right borrower segments with the right message, the ROI is substantial.

But here's the catch: most community banks, credit unions, and challenger institutions don't have the marketing technology stack, the data infrastructure, or the digital engagement platform to execute this kind of responsive, personalised outreach. They're competing against major banks and fintechs with orders of magnitude more resources dedicated to digital acquisition.

3. Customer Engagement: Retention Is the Other Half of the Equation

Acquisition gets the headlines, but the silent crisis in a refinancing wave is attrition. When 63% of refinancers switch lenders,^[11] every institution is simultaneously fighting to win new customers and prevent existing ones from walking.

The lenders that retain borrowers through rate cycles are those that have built genuine engagement; not just transactional relationships but emotional connections. They proactively notify customers about better internal offers before those customers start comparison shopping. They provide financial wellness tools that help borrowers understand and manage rate impacts. They reward loyalty in tangible, visible ways.

This is where the engagement gap becomes most acute. Research consistently shows that 67% of banking customers don't feel emotionally connected to their financial institution.^[16] In a refinancing surge, those disengaged customers are the first to leave. They have no reason to stay, no relationship equity to draw on, and no visibility into whether their current lender would actually match or beat a competitor's offer.

The Technology Stack That Wins in a Rate Cycle

Responding effectively to rate-driven demand requires an integrated technology approach. The institutions that thrive don't just have one piece of the puzzle; they have an architecture that connects digital banking, loan origination, and customer engagement into a coherent system.

The critical insight is that these capabilities aren't independent. A loan origination system that processes applications quickly but feeds into a digital banking experience that's generic and disengaging will lose customers on the back end. An engagement platform that builds loyalty but connects to a loan process that takes weeks will lose them on the front end. The architecture has to be integrated.

Moroku's Position: Where This All Comes Together

This is precisely the problem that Moroku's platform was built to solve, and the current market conditions make the case more urgent than ever.

Money: The Digital Banking Foundation

Moroku Money provides community banks, credit unions, and challenger institutions with a modern digital banking platform that delivers the kind of experience customers expect from a major bank or fintech, without requiring a core system replacement. It's the always-on channel through which rate alerts, personalised offers, and financial wellness tools reach customers at the right moment.

In a refinancing surge, Money becomes the retention engine. Rather than losing customers to a competitor they found through a Google search, institutions can proactively present refinancing options, rate comparisons, and pre-approved offers within the banking app their customers already use daily. The 12-second attention economy demands that lenders meet borrowers where they are, not where they were.

Flow: Automated Decisioning at Scale

Moroku Flow is the loan origination system designed for exactly this scenario; high-volume, time-sensitive lending environments where speed, accuracy, and compliance must coexist. Flow's automated decisioning engine processes applications through configurable credit policies, integrating with credit bureaus, Open Banking data, and identity verification services to deliver fast, consistent, and defensible lending decisions.

When refinancing applications spike after a rate announcement, Flow handles the volume without the manual bottlenecks that cripple legacy systems. Straight-through processing for qualifying applications means borrowers get answers in minutes, not days. Risk-based exceptions are flagged for human review, ensuring that automation enhances rather than replaces sound credit judgment.

For non-bank lenders and challenger institutions in particular, Flow provides institutional-grade loan origination capability without the institutional-grade price tag or implementation timeline. Moroku's On-Ramp methodology delivers a configured, operational lending platform within 12 weeks, fast enough to be ready for the next rate cycle, not the one after that.

Odyssey: The Engagement Flywheel

Moroku Odyssey adds the AI behavioural engagement layer that transforms the relationship between institutions and their customers. Odyssey applies game-based engagement science to banking, rewarding customers for financial discipline, building emotional connection through achievement and progress mechanics, and generating the rich behavioural data that powers genuinely personalised experiences.

In the context of rate-cycle volatility, Odyssey creates what we call the engagement-AI flywheel. Better engagement generates richer behavioural data. Richer data enables more accurate AI recommendations and risk assessments. More relevant, personalised interactions drive deeper engagement. The flywheel accelerates over time, building a competitive moat that's difficult for institutions without this capability to replicate.

Consider the difference: a borrower at a traditional institution receives a generic email about "great refinancing rates" two weeks after an RBA announcement, alongside thousands of identical emails from competitors. A borrower at an Odyssey-powered institution receives a personalised notification within their banking app, timed to their individual behaviour patterns, showing exactly how a refinancing offer would affect their specific financial position, and rewarding them for engaging with the financial wellness tools that help them make an informed decision.

Which borrower stays?

The Urgency Is Now

The RBA's February 2026 decision will set the tone for the year. Whether rates hold, rise once, or enter a new tightening cycle, the volatility itself creates opportunity for prepared lenders and existential pressure for those who aren't.

APRA's November 2025 System Risk Outlook noted signs of higher-risk lending picking up, with heightened competition for market share in housing lending potentially leading to eased underwriting standards.^[17] The regulator is watching. Institutions that combine speed with rigour, automated decisioning that is both fast and compliant, will navigate this environment far better than those cutting corners to keep pace.

The average Australian mortgage is now $693,800.^[18] Over 30% of loans refinanced in early 2025 originated during the low-rate period of 2020–2021.^[8] With household savings buffers depleted and mortgage arrears on larger loans at record highs,^[19] the financial pressure on borrowers is real. They will move. The question for every lender is whether those borrowers move toward you or away from you.

The Bottom Line

Rate cycles reward preparation, not reaction. The institutions that will capture refinancing demand, retain existing borrowers, and grow through 2026's uncertainty are those investing now in three capabilities: automated loan decisioning that scales without compromising risk standards; digital engagement that builds emotional connection before the borrower starts shopping; and an integrated platform that connects banking, lending, and engagement into a single, responsive architecture.

That's what Moroku builds. And this is the moment it matters most.

Ready to prepare your institution for the rate cycle ahead?
Moroku's On-Ramp methodology takes you from discovery to deployment in 12 weeks.
moroku.com | hello@moroku.com

Sources & References

1. Canstar, "Interest Rate Forecast & Predictions for 2026," January 2026. RBA cash rate history and big four bank forecasts. canstar.com.au
2. CNBC, "Australia inflation meets expectations at 3.6%, reaching a six-quarter high," 28 January 2026. Q4 2025 CPI data and trimmed mean measure. cnbc.com
3. Trading Economics, "Australia Inflation Rate," accessed January 2026. October 2025 monthly CPI of 3.8% and electricity rebate expiry. tradingeconomics.com
4. CNBC, "Australia inflation meets expectations at 3.6%," 28 January 2026. RBA Deputy Governor Andrew Hauser quoted on ABC stating inflation above 3% is "too high." cnbc.com
5. Canstar, "Interest Rate Forecast & Predictions for 2026," January 2026. CBA, NAB, and Citi rate hike forecasts. canstar.com.au
6. Australian Broker News, "Mortgage refinancing surges amid rising arrears in Australia," 4 June 2025. Equifax Q1 2025 Consumer Credit Report: mortgage demand (+5.2%), external refinancing (+11%), March inquiry share (>20%). brokernews.com.au
7. FICO, "2025 Mortgage Refi Boom in Australia: The AI Advantage," 10 April 2025. PEXA refinancing volume increase (+8.4% YoY) and Mozo survey (49% considering refinancing). fico.com
8. Australian Broker News, "Mortgage refinancing surges amid rising arrears in Australia," 4 June 2025. Investor share of refinance inquiries (80% in March 2025 vs 60% prior year) and 2020–2021 loan vintage data (30%+ of refinanced loans). brokernews.com.au
9. Canstar, "Interest Rate Forecast & Predictions for 2026," January 2026. Repayment impact: $90/month increase on $600,000 loan for a 0.25% hike. canstar.com.au
10. Money.com.au, "Average Mortgage Australia: Home Loan Statistics 2026," January 2026. Citing Dr Nalini Prasad on depleted household savings buffers. money.com.au
11. Money.com.au, "Average Mortgage Australia: Home Loan Statistics 2026," January 2026. 63% of refinancers switch to a different lender. money.com.au
12. Intellect Global Consumer Banking, "Digital Lending 2026: The Rise of Agentic AI & Autonomy," January 2026. AI-powered decisioning and real-time data processing in loan origination. igcb.com
13. Intellect Global Consumer Banking, "Digital Lending 2026," January 2026. Alternative data evaluation including utility payments, e-commerce trends, and employment indicators. igcb.com
14. FICO, "2025 Mortgage Refi Boom in Australia: The AI Advantage," 10 April 2025. FICO Consumer Survey: ~1 in 3 Australians consider it justifiable to misrepresent on loan applications; 52% among Gen Z. fico.com
15. HousingWire, "Why digital marketing is important for lenders and loan officers," 18 July 2024. Evocalize research (self-generated leads 300% less expensive) and Unbounce data (paid digital converts 3.4x vs organic). housingwire.com
16. Gallup, "Customer Engagement in Banking." Industry benchmark: 67% of banking customers lack emotional connection to their primary financial institution. gallup.com
17. APRA, "System Risk Outlook – November 2025." Observations on rising high-DTI investor lending, heightened competition for housing market share, and potential easing of underwriting standards. apra.gov.au
18. Money.com.au, "Average Mortgage Australia: Home Loan Statistics 2026," January 2026. ABS data: average new owner-occupier home loan of $693,801 as at September 2025. money.com.au
19. Australian Broker News, "Mortgage refinancing surges amid rising arrears in Australia," 4 June 2025. Equifax data: sharp rise in dollar value of 90+ day arrears driven by loans exceeding $1 million; highest arrears rates on record for large loan cohorts. brokernews.com.au