The Three Forces That Move the S&P 500 - a Framework for the Investor

Before you look at the chart, you have to understand the forces behind it. The three macroeconomic factors that determine the direction of the American market - and how to track them correctly.

By Ilan Abramov3 min read
The Three Forces That Move the S&P 500 - a Framework for the Investor

Introduction: Why a Framework and Not a Forecast

Most investors look at the chart and ask "where is this going?" The right question is different: which forces are acting on the market now, and what does each of them say? Whoever understands the forces does not need to guess - they know what to check, when, and why it matters.


Force 1: The Fed's Interest-Rate Policy

The Federal Reserve is the most influential player in the American market. The basic rule: a rising rate compresses multiples and makes money more expensive; a falling rate pushes money into risk assets.

What you actually track:

  • The PCE index - the Fed's preferred inflation gauge. Its direction relative to the 2% target determines the bank's room to maneuver
  • The employment reports (NFP) - a strong labor market gives the Fed a reason to wait; a consistent weakening brings rate cuts closer
  • Futures pricing (FedWatch) - what the market itself expects to happen, and at what probability

The important principle

The market does not respond to the rate itself - it responds to the gap between what happens and what it priced in advance. A quarter-point surprise moves more than an expected half-point move.


Force 2: Earnings Season

Four times a year, the companies open the books - and the market recalibrates.

What to track:

  • The largest companies in the index - when concentration is high, a handful of technology companies decides the direction of the whole index
  • The gap between results and expectations - a "good" report with weak guidance gets punished; the opposite sometimes jumps
  • The breadth of the surprises - are most companies beating expectations, or only the big headlines?

Force 3: Geopolitics

Geopolitical risk always remains in the background - and markets tend to ignore it in routine, until they cannot. Wars, energy crises and trade tensions erupt into pricing suddenly, and so they are measured differently: not "what will happen" but "how much will it cost if it happens."

The fruit of thought is the ability to make money - or to lose it.- Ilan Abramov

How You Connect the Three Forces

ForceWhat you checkUpdate pace
The FedPCE, employment, futures pricingMonthly
EarningsResults vs. expectations, guidanceQuarterly
GeopoliticsEnergy, trade, tensionsOngoing

The conclusion: when you break the market down into forces, decisions stop being emotional. And in an environment of uncertainty - risk management matters more than any forecast: large, unmanaged positions are the real danger, not the direction of the market.


This article is for educational purposes only and does not constitute investment advice.

הניתוחים הכי טריים - באינסטגרם.

תובנות יומיות על השוק, רעיונות למחשבה ומענה לשאלות שלכם - כל יום, בסטוריז ובפוסטים.

@Ilan_abramov_