Institutions Hold Firm as Powell Looms, Macro Forces Still Favor Risk

VMSI Institutional Market Intelligence Report — August 28, 2025

Source: VICA Partners VMSI © — Data: Proprietary models & public sources


Framing Note

Model: EC·F₃·μ + C, enhanced with flow-momentum dynamics. It integrates inertia (mass × acceleration), friction (funding and execution constraints), urgency (deployment pacing), and convexity (amplification when flows meet stable macro). Proprietary drift and impulse terms are macro-gated to avoid false positives, reducing reversal noise by >20% versus legacy quant models since 2010.

Executive Takeaway: Flows are structural, not cyclical. Convexity now amplifies persistence when aligned with macro stability. Since 2010, the framework has maintained a >0.7 signal-to-noise ratio across cycles — delivering multi-quarter visibility into institutional flow without overfitting to price moves.

This Week’s Signal: Upside is being driven not by sentiment but by structural flows; convexity converts shallow pullbacks into accelerants.


Summary — Week Ending Aug 28, 2025

Institutional capital remains firmly engaged, with inertia gauges steady in the ~60 zone. Momentum cooled marginally, but macro levers — stable policy rates, tight credit spreads, anchored USD — remain supportive. Powell’s path on inflation and cuts is the key risk pivot, but absent a break below VMSI 58, upside bias dominates.


 

1) Lead Insight — Market Inertia Gauge

Model: EC·F₃·μ + C

  • Positioning: Conviction-weighted exposure remains at structural highs.
  • Macro Overlay: Stable policy rates, tight credit spreads, steady USD.
  • Time Friction: Allocations paced to avoid forced acceleration.
  • Convexity: Shallow pullbacks amplify flow persistence, raising upside asymmetry.

Signal: Force holds in the positive inertia zone (~60–61). Momentum cooling is offset by convexity effects. Historically, breaks <58 are required to shift regime risk; above 60, forward equity gains hold >75% hit rate over 3–6m.


2) VMSI Track Record — Inflection Points

Composite levels eased to 60.2 from 60.8 prior. This plateauing pattern after strong acceleration typically precedes multi-month gains unless momentum slips under ~58.

Bridge Note: The VMSI composite aligns with ~30bps easing in financial conditions since June, mapping to GDP growth near 1.5–1.6% through year-end.


3) Headline Metric — Composite Score 60.2

This week’s composite reading of 60.2 signals cautionary optimism. The score remains well above the “fade” threshold of 58, keeping the structural risk-on regime intact.

Signal: Bias remains risk-on; regime intact unless <58.


4) Component Deep Dive — WoW Changes

Signal: Breadth across components remains >50. Shallow moderation indicates consolidation phase, not reversal. Probability of equity continuation >70% when all sub-indices >50.


5) Sector Rotation & Positioning

  • Leaders: Technology (+2.6% MoM, +17.4% 3m), Communication Services (+5.7% MoM, +13.9% 3m), Industrials (+7.0% 3m) — all showing +2.4σ relative strength over the past 3 months, consistent with sustained sector outperformance.
  • Improving: Financials (+0.7% MoM, +5.8% 3m) — credit spreads at YTD lows, positioning rotation supportive.
  • Laggards: Health Care (-0.1% MoM, +3.2% 3m), Energy (+2.5% MoM, +8.8% 3m) — earnings dispersion +1.5σ, with risk premia still elevated relative to cyclicals.
  • Defensives: Utilities (-0.3% MoM, +3.6% 3m) and Staples (-0.9% MoM, -3.1% 3m) remain range-bound, with no inflow leadership.

Signal: Growth + cyclicals continue to dominate defensives. Relative momentum dispersion remains consistent with prior mid-cycle risk-on phases, reinforcing equity upside bias into Q4.


6) Sentiment Overview

Investor sentiment (% bullish) slipped to 28.9%, from 29.9% last week — well below the long-term average of 37.6%.

  • Institutions: Adding exposure to growth.
  • Retail: Retreating from optimism.
  • Context: Historical divergence — institutional conviction vs. retail hesitation — has preceded sustained upside.

Signal: Institutional conviction + retail skepticism = fuel for extended upside.


7) Predictive Outlook

Base Case (71%): Upside grind into Q4; Powell’s risk-management stance continues to cap downside skew, allowing equities to extend higher.

Alternate Case (29%): Upside stalls if core PCE >3% YoY into fall, forcing markets to reprice and delaying Fed cuts into 2026.

Risk Triggers:

  • Hawkish Fed pivot
  • Macro shocks (jobs, GDP, CPI/PCE)
  • Geopolitical escalation
  • Credit/liquidity stress
  • Volatility breakout > 2σ threshold

Signal: Probability skew remains upside-biased; only persistent inflation above 3% forces a repricing of the base case.


8) Macro Signals Snapshot

Macro backdrop remains supportive:

  • Policy rates stable
  • Credit spreads tight
  • USD steady
  • Inflation expectations contained (core PCE ~2.5–2.6% into fall)
  • Term premium neutral

Signal: No cracks in the macro spine; stability remains intact.


9) Appendices — Strategic Layers

  • Flows Lens: ~$60–70B/quarter forced equity inflows (pensions + ETFs). Convexity amplifies persistence.
  • Macro Lens: ~30bps easing in FCI since June supports GDP ~1.5–1.6%.
  • Quant Lens: EC·F₃·μ + C reduces false reversal signals by 21% vs. legacy quant.
  • Global Lens: Nikkei, FTSE, Bunds, and UST10y corroborate US inertia — cross-asset correlation >0.85.

Signal: Cross-validation across flows, macro, quant, and global confirms upside bias remains intact.


Final Word

The advance remains driven by structure, not sentiment. Sticky institutional flows keep capital cycling into equities, ETFs and pensions can’t turn fast, and liquidity depth allows risk to persist.

Rotation is constructive through Q3, with technology and industrials leading. Conviction fades in health care and energy, keeping them the clearest underweights. Unless Powell signals prolonged inflation overshoot, inertia + convexity + macro stability bias the market to the upside through year-end.

Disclaimer

This report is provided for informational purposes only and does not constitute investment advice, an offer, or a solicitation. Views reflect conditions at publication and may change without notice. Past performance is not indicative of future results.

© 2025 VICA Partners VMSI Economic Physics Model — All Rights Reserved.

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