Interest Rates & Valuations

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Welcome to Unlocking Liquidity, the podcast from PrimaryMarkets that brings the dynamic world of private capital to life. Each week, we dive into the trends, opportunities and challenges shaping today’s investment landscape, from emerging asset classes and market innovation through to strategies for navigating liquidity in unlisted markets. Whether you’re an experienced investor, a dealmaker, or simply curious about private markets, Unlocking Liquidity offers analysis and real-world insights to help you make sense of complexity and stay ahead of what’s next. In this episode, we explore how a higher-for-longer interest rate environment is reshaping the way investors value growth companies. For over a decade, capital was cheap and future potential often outweighed present performance. Today, that dynamic is shifting, placing renewed emphasis on cash flow, capital efficiency and sustainable profitability. We unpack what this means for investors in both public and private markets, and how valuation frameworks are evolving in response.

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For more than a decade, the global investment landscape was shaped by a single powerful assumption: interest rates would remain low, predictable and supportive of risk-taking. The period from the post-GFC era through to the early 2020s created an environment in which growth companies thrived, venture capital expanded aggressively and investors routinely rewarded long-dated earnings potential over near-term cash flow generation. Capital was inexpensive and the opportunity cost of waiting for future profits was minimal.

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Today, that paradigm has shifted. The higher-for-longer rate environment, now increasingly embedded into monetary policy expectations across developed markets, is reshaping valuation frameworks for public and private markets alike. This shift carries particular weight for investors in unlisted growth companies, where valuation methodologies often rely on long-term projections, discounted cash flow assumptions and the expectation of future liquidity events. As capital becomes more selective and more expensive, the balance between growth and profitability is being recalibrated.

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Understanding this shift is essential for wholesale investors operating on platforms such as PrimaryMarkets, where access to unlisted opportunities can provide significant upside but also requires a nuanced understanding of valuation drivers. The higher-for-longer era does not eliminate the appeal of growth companies, but it does change how they must be assessed, priced and supported.

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The first and most immediate effect of sustained higher interest rates is the mechanical impact on valuation models. The mathematics of discounted cash flow analysis are simple: as the discount rate increases, the present value of future cash flows decreases. For companies whose cash flows are expected to materialise five, ten or fifteen years into the future, the valuation impact is disproportionately large. Growth companies whose business models rely on reinvesting heavily today for the promise of significant scale later are most exposed to this effect.

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In Australia, this dynamic has been visible in the public market performance of a number of technology firms. These companies continue to exhibit strong revenue growth and maintain compelling long-term market positions, yet their valuations have experienced periods of volatility as the market adjusts its expectations for future earnings. While these businesses remain high-quality operators, the repricing reflects a broader global trend: growth is still rewarded, but only when paired with clearer pathways to profitability and robust unit economics.

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For unlisted companies, the effect is even more pronounced. Private valuations typically lag public-market repricing, in part because liquidity constraints and longer capital-raising cycles delay price discovery. This lag can create temporary disconnects between founder expectations, investor willingness to pay and the valuation benchmarks used during due diligence. Companies that raised capital aggressively during the low-rate era often did so at ambitious multiples that assumed continued cheap funding and a rapid scale-up trajectory. The higher-for-longer environment has disrupted those assumptions, forcing valuation resets, down-rounds or, alternatively, a shift towards more disciplined growth strategies that extend the runway without requiring comparable valuation levels.

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The impact of higher rates extends beyond the mathematics of discounting and into the very behaviour of investors. In a low-rate world, capital had little incentive to remain on the sidelines. The hunt for yield broadened the investor universe for startups, scale-ups and pre-IPO companies, encouraging aggressive capital deployment into sectors such as SaaS, fintech, deep tech and digital marketplaces. Now, however, investors are more discerning. With cash and fixed-income instruments offering increasingly attractive returns, the opportunity cost of allocating to high-risk growth companies has increased. This shift does not diminish the attractiveness of strong private opportunities, but it does elevate the level of scrutiny.

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One clear manifestation of this behavioural shift is the premium now placed on capital efficiency. Growth companies once applauded for expanding quickly at the expense of profitability are being re-evaluated on their ability to manage costs, convert revenue into cash flow and demonstrate resilience under tighter financial conditions. Australian companies have publicly embraced this shift by emphasising sustainable growth and operational discipline.

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Another important dynamic is the rising competition for capital among growth-stage companies. When interest rates were near zero, venture funds and private investors enjoyed abundant liquidity and rapid fund-raising cycles. Today, capital pools are more conservative and many investors are prioritising follow-on support for existing portfolio companies over new investments. This environment creates both challenges and opportunities for sophisticated investors. On the one hand, there is greater selectivity and at times more favourable pricing. On the other hand, the companies that continue to execute well in this environment may prove to be stronger, more durable long-term holdings precisely because they have been tested under more stringent conditions.

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Despite the headwinds, higher-for-longer interest rates do not spell the end for growth investing. Instead, they demand a recalibrated approach. The companies best positioned to thrive are those that combine innovation with robust financial management, demonstrate clear market fit and can articulate credible paths to profitability without relying on aggressive, externally funded expansion. For investors on platforms like PrimaryMarkets, these characteristics become key differentiators when assessing opportunities in sectors such as enterprise software, renewable energy, biotech, advanced manufacturing or digital infrastructure.

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Another important consideration in the current environment is the shift in exit dynamics. The conditions that once supported frequent IPOs, high-multiple trade sales and rapid private-equity turnover have softened. Listing windows have narrowed, public-market sentiment is more selective, and strategic acquirers are showing more discipline in acquisition valuations. This does not eliminate exit opportunities but does change their timing and structure. For sophisticated investors, understanding the likely exit path and the timeframe attached to it has become a more central component of valuation analysis. Companies that can demonstrate optionality across IPOs, M&A or structured liquidity events are increasingly valuable.

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Australia’s ecosystem of secondary trading platforms for unlisted securities, including PrimaryMarkets, has become particularly relevant in this environment. PrimaryMarkets offers investors an avenue to access liquidity without requiring companies to pursue full listings or large corporate transactions. Higher rates may reduce the frequency of traditional exits, but they increase the importance of mechanisms that allow investors to manage exposure along the journey. Secondary liquidity platforms also contribute to more accurate price discovery, narrowing the gap between private and public valuation expectations.

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To understand the long-term implications of higher-for-longer rates, it is useful to consider how valuation frameworks evolve during extended periods of high interest rates. Historically, higher-rate environments favour companies with strong cash flows, established market share and defensible competitive positions. Growth companies continue to attract investment, but the market becomes more discerning about which growth truly warrants a premium. This does not diminish the structural tailwinds behind sectors such as AI, cloud infrastructure, defence technologies, robotics, space, or clean energy—areas where Australia is developing and competitive capabilities. Instead, the premium shifts towards companies capable of scaling efficiently and demonstrating revenue quality and durability.

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In Australia, this is reflected in the growing differentiation between companies that have transitioned successfully from early-stage hype to commercial maturity and those that remain reliant on long-term speculative projections. Earlier-stage companies operating in emerging industries such as quantum computing or space technology are being evaluated on more granular proof-of-execution milestones rather than broad thematic narratives. The themes remain compelling, but the thresholds for valuation have become more specific and evidence based.

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Looking ahead, the higher-for-longer environment may also catalyse a broader cultural shift within Australia’s emerging-company ecosystem. Founders are increasingly aware that capital is not as freely available as it once was, prompting earlier focus on disciplined spend, sustainable revenue acquisition and strategic capital allocation. These behavioural changes may ultimately strengthen the quality of Australia’s next generation of growth companies, creating more investable opportunities for wholesale investors who prioritise fundamentals and execution over aspiration.

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For investors engaging with unlisted securities, the challenge is not simply to adjust valuation models but to update mental models. The environment that drove outsized returns may not fully replicate in the decade ahead. However, opportunities remain substantial—particularly for investors who can identify companies that are adapting to this new landscape, managing costs effectively and building businesses that can grow without perpetual reliance on external funding. The shift to higher rates rewards discipline, durability and proven market traction, qualities that sophisticated investors are uniquely positioned to evaluate.

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Ultimately, higher-for-longer interest rates represent not a barrier but a filter. They filter out less viable business models, reward well-run companies and help restore balance to valuation expectations. For the right companies—those capable of delivering real value, revenue resilience and operating leverage—the path to strong valuations remains open. For investors on platforms such as PrimaryMarkets, understanding this new environment offers not only a defensive advantage but also a strategic edge in identifying growth companies whose long-term potential remains compelling even after adjusting for the higher cost of capital.

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For companies and managed funds that are not listed on a stock exchange, the PrimaryMarkets trading Platform is an ideal way to facilitate the off-market sale of shares in your company and units in managed funds.

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PrimaryMarkets is a flexible and evolving Platform that responds in real time to an ever-changing investment environment. In doing so, it provides sophisticated investors with access to companies that are shaping the future in a wide variety of industries and sectors. We provide access to opportunities previously only accessible to institutional investors. In addition to trading, PrimaryMarkets helps companies raise capital from our global investor database.

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PrimaryMarkets exemplifies how innovation can transform the way we invest, trade and raise capital by breaking down traditional barriers, providing liquidity solutions and promoting transparency.

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As the Platform continues to grow and evolve, it promises to unlock even more opportunities for investors and companies shaping the future of economies.

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And that brings us to the end of this episode of Unlocking Liquidity. Thanks for spending your time with us, we hope today’s conversation gave you a fresh perspective on private markets and how liquidity is evolving. If you enjoyed the episode, please follow or subscribe wherever you listen, and feel free to share it with someone who’d get value from it. For more insights, opportunities and episodes, visit PrimaryMarkets. Until next time, thanks for listening, and we’ll see you in the next conversation.