Coca-Cola's Independence from the Market Keeps Its Stock on Track

Coca-Cola's stock has been on a tear lately, rising 6.5% over the last five trading days while the S&P 500 index increased by only 1%. This surge coincided with the company's second-quarter 2026 earnings report, which included raised full-year guidance. But what's impressive is not just the short-term gain, but how much of Coca-Cola's long-run return has come from its own business performance rather than simply tracking the market.

Over the past five years, Coca-Cola's correlation to the S&P 500 was a relatively low 0.27, indicating that it has largely moved on its own schedule. This independence is a key trait of a genuine diversifier, and Coca-Cola delivered essentially the same return as the S&P 500 over this period, but with lower volatility. In comparison, gold returned 17.1% per year with a correlation to Coca-Cola of just 0.04.

However, it's worth noting that Coca-Cola's down-day capture was negative 71% over the past year, meaning that on days the S&P 500 fell, Coca-Cola tended to rise more. This is a genuine cushion, but only a one-year reading, which is why the five-year correlation is the number to anchor on.

The company's business performance remains strong, with organic revenue growing 6% and unit case volume increasing by 5% in the second quarter of 2026. Management now expects roughly 5% organic revenue growth and 9% to 10% comparable earnings-per-share growth for full-year 2026. But analysts also point out that the company faces tougher second-half comparisons and a calendar shift that leaves fewer selling days.