The Rise of “PIK Debt” in Private Credit

I keep seeing more references to PIK debt in private credit and leveraged finance, and it increasingly feels like one of those late-cycle indicators worth paying attention to as some antithesis to the current market gains. PIK = Paid in Kind, instead of paying interest in cash borrowers add onto the loan balance. This preserves liquidity for a business, but increases leverage. The numbers around PIK debt and private credit are starting to get hard to ignore. The private credit market has grown from roughly $158B in 2010 to nearly $2T today, while Fitch recently reported **private credit default rates hitting 9.2%**, the highest level on record. At the same time, PIK loans have risen from around 5% of loans in 2022 to roughly 11% by the end of 2025. Covenant-lite lending has also surged, with some estimates showing these structures now make up over half of leveraged private credit deals. Meanwhile leverage multiples continue climbing, particularly in PE-backed software, where many deals were financed assuming permanently low rates and easy refinancing conditions. What stands out to me isn’t necessarily that this guarantees a crisis, but that an increasing share of the market appears dependent on continued liquidity, refinancing, and optimistic valuation assumptions. The AI angle is what makes this cycle especially difficult to evaluate. Unlike a lot of past bubbles, the underlying technology is clearly real in that hyperscalers are spending hundreds of billions on infrastructure, demand for compute remains enormous, and many of the companies leading the rally are actually highly profitable. But that doesn’t mean the financing around the boom itself is necessarily healthy. A growing amount of private credit and leveraged financing has flowed into software, datacenter infrastructure, and AI-adjacent businesses, often based on assumptions of continued exponential growth and abundant capital availability. So we have a contrasting risk dynamic where AI itself may genuinely transform the economy while the capital structures built around it could still become fragile if growth slows, margins compress, or refinancing conditions tighten. Some Indicators I’m watching: \- High-yield credit spreads \- Rising PIK usage (Fitch reports normally best source, PIK interest rose to **8% of all BDC loan interest income in 2025, the highest level in 14 yrs)** \- Narrowing market breadth (% of S&P 500 stocks above their 200-day moving average and equal-weight vs cap-weight S&P performance. WSJ - Only around **53% of S&P 500 stocks are trading above their 200-day moving average** & MarketWatch recently noted the **percentage of S&P stocks above their 50DMA fell from 61% to 53% in one week,** even while the cap-weighted S&P remained resilient due to mega-cap tech. Credit markets usually show stress before equities do, while increasing use of PIK financing suggests more companies are struggling to service debt with real cash flow. Narrowing breadth, where fewer stocks drive index gains would also be a sign of rising fragility beneath the surface. However, the most perplexing part of the story is that the credit spreads don’t seem to match the underlying indicators, currently at 280–290bps, whilst for reference peak 2008 was 2000bps, Covid 1100, dot com 1000. PIK usage is clearly being more heavily relied on, private credit defaults are rising, covenant quality is deteriorating & leverage multiples remain high. Despite these indicators credit spreads still seem very tight. So either the market is right and defaults are contained and the AI technological expansion is offsetting stress, or, risk is being delayed rather than resolved (before appearing in spreads). Either way, if credit conditions tighten, the markets will start caring about balance sheets, real cash flow and actual profitability (ie. Value investing discipline). Just some food for thought.