Economic Impact Group, LLC Economic Data Brief
 
Housing

S&P Cotality Case-Shiller Home Price Index — August 2026

Released October 27, 2026 · S&P Global / Cotality · full release · charts & history on EconomicsGuru
National home price index (NSA) fell 0.2% in August 2026 to 336.7, +2.1% from a year ago. Prior month: 337.3. Prior periods were revised in 20 series — figures below reflect that.
National
336.7
▼ −0.2% m/m
· +2.1% y/y
20-City
346.6
▲ +0.3% m/m
· +2.6% y/y
10-City
370.4
▲ +0.4% m/m
· +3.6% y/y

Revision check

REVISIONS DETECTED (20) — since last report. Every change below is calculated on the revised figures.
10-City composite (SA) · June 2026367.1→367.6▲ +0.6
10-City composite (SA) · May 2026365.8→366.2▲ +0.5
20-City composite (SA) · June 2026344.1→344.6▲ +0.4
20-City composite (SA) · May 2026343.3→343.7▲ +0.4
10-City composite (SA) · January 2026364.1→364.0▼ −0.2
20-City composite (SA) · January 2026343.2→343.0▼ −0.2
10-City composite (SA) · April 2026364.7→364.8▲ +0.2
20-City composite (SA) · February 2026343.1→343.0▼ −0.1
20-City composite (SA) · April 2026342.7→342.8▲ +0.1
20-City composite (SA) · December 2025342.4→342.3▼ −0.1
10-City composite (SA) · February 2026364.5→364.4▼ −0.1
20-City composite (SA) · September 2025338.0→338.1▲ +0.1
10-City composite (SA) · December 2025363.1→363.1▼ −0.1
National home price index (SA) · June 2026332.3→332.4▲ +0.1
and 6 more smaller revisions (all of them are applied to the figures below).

Key figures

Headline →August 2026July 2026M/M chgM/M %Y/Y chgY/Y %12-period trend
National home price index (NSA)
Jan 2000=100
336.7337.3▼ −0.5▼ −0.2%▲ +6.9▲ +2.1%
 
 
 
 
 
 
 
 
 
 
 
 
 
20-City composite (SA)REVISED346.6345.6▲ +0.9▲ +0.3%▲ +8.9▲ +2.6%
 
 
 
 
 
 
 
 
 
 
 
 
 
10-City composite (SA)REVISED370.4369.1▲ +1.4▲ +0.4%▲ +12.9▲ +3.6%
 
 
 
 
 
 
 
 
 
 
 
 
 
National home price index (SA)REVISED334.2333.3▲ +0.9▲ +0.3%▲ +6.8▲ +2.1%
 
 
 
 
 
 
 
 
 
 
 
 
 
Trend bars show year-over-year % change over the last 13 periods; the latest period is highlighted.

What stood out

  • 10-City composite (SA): up 3.6% from a year ago — the fastest pace since April 2025.
  • National home price index (NSA): up 2.1% from a year ago — the fastest pace since May 2025.
  • 20-City composite (SA): up 2.6% from a year ago — the fastest pace since May 2025.
  • National home price index (SA): up 2.1% from a year ago — the fastest pace since May 2025.

Sources

Economic Impact Group, LLC
Economic research for developing communities
Prepared 2026-10-27 19:27 UTC. Green marks an increase, red a decrease — direction only, not good or bad.