Stock Market Cycles

Stock Market Cycles

S&P 500 sits at the maximum cycle reading

Global Dominant Cycle Watch — May 20, 2026

Lars von Thienen's avatar
Lars von Thienen
May 20, 2026
∙ Paid

For the first time in this sequence, the S&P 500 itself sits at the maximum cycle reading with full price confirmation — May 20, 2026

Tuesday’s session brought a broad-based pullback as Treasury yields extended their advance and Iran-linked uncertainty stayed elevated. The S&P 500 sank 0.67% to close at 7,353, the equal-weight version dropped 0.57%, the Dow ended off 0.65%, the Nasdaq fell 0.84%, and the Russell 2000 tanked 1.01% — broad-market weakness with small caps under the deepest pressure. Treasuries saw heavy selling, with yields climbing 6-9bp across the curve, and the market is now pricing roughly 80% odds of a 25bp Fed rate hike by year-end. The dollar index ticked up 0.10%, Brent dipped modestly 0.65% to roughly $111.40, gold slumped 1.80%, silver tumbled nearly 5.00%, and Bitcoin slipped to $76,740.

Our cycle model is reading the broadening directly: three benchmarks now sit at the maximum negative Cycle Consensus Score of -100 with bull exit confirmation — the S&P 500 itself joining the Russell 2000 and the Invesco DB Agriculture at the absolute floor. Five topping-side entries now carry bull exit cRSI, the strongest momentum confirmation the model can produce.

The earnings backdrop is anchored by tonight’s Nvidia print, which sits at the center of the AI-infrastructure narrative. Iran negotiations remain the macro driver, with JD Vance sounding conciliatory Tuesday afternoon but a WSJ report shortly afterward citing “large gaps” between Washington and Tehran. Our cycle model is now flagging what the macro setup is producing: the S&P 500 entering the topping table at -100 across four converging cycles, S&P 500 Materials and Real Estate joining, and the PHLX Semiconductor Index easing from its earlier maximum reading — a rotation within the broader topping picture rather than a deepening at the chip apex.

The daily cycle analysis filters approximately 45 international core assets through the CycleConsensus model to identify statistically relevant cyclical topping or bottoming phases. The Cycle Consensus Score ranges from -100 (extreme bearish) to +100 (extreme bullish). Assets at or beyond ±60 are in the critical zone where the cyclical conditions for a turning point are statistically elevated. The cRSI column adds a momentum confirmation layer. Let’s take a closer look.

User's avatar

Continue reading this post for free, courtesy of Lars von Thienen.

Or purchase a paid subscription.
© 2026 Lars von Thienen · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture