Sahm Rule vs S&P 500
Sahm Rule Recession Indicator measures labor-market deterioration via 3-month MA U3 0.5pp above 12-month low. SPY tracks S&P 500 (most-watched equity index).
Also known as: Sahm Rule Recession Indicator (Sahm rule, recession indicator, Sahm) · S&P 500 ETF (SPY) (ETF_SPY, S&P 500, SPX, SP500)
Why This Comparison Matters
Sahm Rule Recession Indicator measures labor-market deterioration via 3-month MA U3 0.5pp above 12-month low. SPY tracks S&P 500 (most-watched equity index). April 2026: Sahm Rule TRIGGERED since July 2024 (3-month MA U3 4.3% vs 3.5% trailing low); SPY approximately $712 (S&P 500 ~7,126 record territory; YTD +4.3% through end-March). Combined: recession indicator triggered + equities at record highs. Most divergent reading in 54-year history. Equity market explicitly pricing soft landing. Historical resolution typically via SPY drawdown rather than Sahm reversal (1948-2024 every Sahm trigger preceded recession + SPY decline). April 2026 anomaly: 21+ months past trigger without resolution.
The April 2026 Configuration
Sahm Rule status: TRIGGERED since July 2024. 3-month MA U3 4.3% vs trailing 12-month low ~3.5%. Difference 0.6pp above 0.5pp threshold.
SPY: ~$712 (April 2026, S&P 500 ~7,126). YTD +4.34% through end-March. Total return past year +34.87%. Hitting record highs late April. AI-related stocks ~45% of S&P 500 weight.
Divergence: recession indicator + record equities. Equity market pricing zero recession. Sahm Rule indicating recession imminent. Divergence widest in 54-year history.
Forward P/E: 22x (above historical 16-18x). ERP: ~50bp (compressed from 200-300bp historical). Equities priced for sustained earnings growth + low risk premium.
April 2026 reading: equities ignoring Sahm signal. Sahm Rule potentially first false positive in modern history. Either equities will catch down to Sahm signal (SPY drawdown ahead) or Sahm un-triggers (false positive confirmed). Resolution within 12-24 months historically.
Long-Term Range and Recent Trajectory
Sahm Rule trajectory: triggered July 2024 (3-month MA U3 4.1% above 3.5% prior low). U3 rose to 4.3% April 2026. Sahm Rule remains triggered.
SPY trajectory: October 2022 trough $348 (peak-to-trough -25%). October 2025 ATH ~$700+ region. April 2026 ~$712 record. Three-year doubling.
During Sahm trigger period (July 2024 - April 2026): SPY +25-30%. Most pronounced equity rally during Sahm trigger in 54-year history. 1948-2024 average SPY decline -15% to -45% from Sahm trigger to recession trough.
Volatility: VIX 18.76 (April 2026, elevated but not stressed). 2022-2026 average ~17. Markets pricing continued risk-on.
SPY peak-to-current April 2026: at or near ATH. No drawdown has occurred since Sahm trigger.
Historical precedent for largest divergence: 2007-2008 SPY +5% from Sahm trigger Q1 2008 to Sept 2008 peak then -57% to March 2009 trough. April 2026 currently +25% from Sahm trigger. Could resolve via 30%+ drawdown if recession arrives.
Historical Precedents: Past Episodes
2008-09 GFC: Sahm fired Q1 2008 + SPY peak Oct 2007 ~$157. SPY fell to $73 March 2009 trough (-54%). Resolution: SPY drawdown.
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Frequently Asked Questions
What is the April 2026 Sahm Rule vs SPY configuration?+
Sahm Rule TRIGGERED since July 2024 (3-month MA U3 4.3% vs 3.5% trailing low). SPY ~$712 (S&P 500 ~7,126 record territory; YTD +4.34% through March; total return past year +34.87%). 21+ months past Sahm trigger with SPY +25-30% during trigger period. Most divergent reading in 54-year history. AI-related stocks ~45% of S&P 500 weight. Forward P/E 22x. ERP compressed.
How have past Sahm triggers resolved with SPY?+
2008-09 GFC: Sahm Q1 2008 + SPY peak Oct 2007 fell to -54% by March 2009. 2020 COVID: Sahm April 2020 + SPY -34% (rapid recovery). 2001 dot-com: Sahm Q3 2001 + SPY -49% to Oct 2002 trough. 1990-91: Sahm Q3 1990 + SPY -20% to Oct 1990. 1973-75: Sahm Q4 1974 + SPY -48% to Oct 1974. All resolved via SPY drawdown not Sahm reversal. April 2026: 21+ months past trigger without drawdown. Unprecedented.
Why has equity market ignored Sahm signal?+
Five reasons: (1) Sahm triggered via labor force expansion 3-4M workers not job destruction (false signal in this cycle). (2) AI capex 0B+ annual sustaining earnings growth (S&P 500 EPS 2026 +12% YoY estimate). (3) Magnificent 7 ~32% of SPY + AI infrastructure earnings outperforming. (4) Productivity gains supporting margins. (5) Fed easing room from 5.50% peak supportive. Equities discounting AI-era earnings resilience over traditional cycle indicators.
What is the trading framework for the April 2026 anomaly?+
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