Cintas Corp. (NASDAQ:CTAS)

The Price to Sales (P/S) ratio exhibits a multi-phase trajectory characterized by an initial contraction followed by a sustained and accelerating expansion over the analyzed nineteen-year period. While sales per share grew consistently from 4.56 USD in 2005 to 23.81 USD in 2024, the share price experienced more volatile and ultimately exponential growth, driving the valuation multiple upward.

Valuation Contraction (2005–2009)

A downward trend in the P/S ratio is observed during the first five years, falling from 2.38 in 2005 to a period low of 1.02 in 2009. This decline occurred despite an overall increase in sales per share, indicating that the share price decreased more rapidly than revenue grew, leading to a compression of the valuation multiple.

Stabilization and Moderate Growth (2010–2014)

The ratio entered a phase of gradual recovery, rising from 1.14 in 2010 to 1.62 by 2014. During this interval, the share price began to recover from its 2009 lows, and the P/S ratio returned to levels comparable to those seen in the mid-2000s.

Aggressive Multiple Expansion (2015–2024)

A significant acceleration in the P/S ratio is evident from 2015 onward, climbing from 2.10 to a peak of 7.93 in 2024. This period is marked by share price appreciation that far outpaced the growth of sales per share. The ratio increased more than threefold in this decade, reflecting a substantial increase in the market premium attributed to each dollar of revenue.

The long-term data indicates a fundamental shift in valuation. By 2024, the P/S ratio reached its historical maximum, suggesting that the market transitioned from valuing the company at a conservative multiple of sales in the 2000s to a significantly higher premium in the 2020s.