The FTSE 100 has pushed back toward record territory, showing resilience despite mixed UK economic data and lingering global uncertainty. After recent volatility, the rebound has caught investors’ attention.

But markets don’t reward optimism alone.

The real question is:

Is this rebound structurally strong — or is it vulnerable beneath the surface?

What’s Driving the Current Move Higher?

1. Financials Regaining Strength

Banks have played a major role in lifting the index. When financials lead, it often signals improving risk appetite and confidence in economic stability.

This is important because:

• Banks are sensitive to growth expectations.
• They benefit when recession fears ease.
• They reflect investor sentiment toward credit and liquidity.

If banks continue to hold gains, it strengthens the case for sustainability.

2. Defence and Commodity Tailwinds

The FTSE 100 is heavily weighted toward:

• Energy majors
• Mining companies
• Defence firms
• Global multinational earners

Unlike tech-heavy indices, the FTSE thrives in environments where:

• Commodities are stable or rising
• Inflation is moderating but not collapsing
• Global demand remains intact

As long as oil and metals remain supported, the index has a natural structural advantage.

3. Rate-Cut Expectations Are Supporting Sentiment

Markets are increasingly anticipating potential monetary easing later in the year.

Even the expectation of lower rates:

• Improves equity valuations
• Encourages risk-taking
• Reduces pressure on borrowing-sensitive sectors

However, this is conditional.

If inflation surprises to the upside, rate-cut expectations could quickly reverse — and so would equity momentum.

The Structural Advantage of the FTSE 100

A key factor often overlooked:

Most FTSE 100 companies earn a large portion of their revenue outside the UK.

This means:

• Weak domestic GDP does not automatically hurt earnings.
• A softer pound can actually boost overseas profits when converted back to GBP.
• The index behaves more like a global equity basket than a purely UK economic gauge.

This global exposure provides resilience — especially compared to domestically focused indices.

What Could Break the Rebound?

Even strong rebounds can fail. The major risks are clear:

1. Sticky Inflation

If inflation re-accelerates, rate cuts get delayed and bond yields rise — putting pressure on equities.

2. Commodity Weakness

A sharp drop in oil or metals would remove a major support pillar for the index.

3. Narrow Leadership

If only a handful of heavyweights push the index higher while the broader market weakens, momentum becomes fragile.

4. External Shock

Global risk-off events — geopolitical tensions, US market correction, financial stress — would affect the FTSE as part of the global system.

The Technical Picture: Is Momentum Broad or Thin?

For sustainability, three signs matter:

1. Higher highs and higher lows on pullbacks
2. Participation across multiple sectors
3. Dips being bought quickly

If rallies become weaker and pullbacks deepen, the rebound may be running on short-term positioning rather than long-term conviction.

So… Can the FTSE 100 Sustain Its Upward Momentum?

Here is the direct answer:

Yes — the rebound has a structural foundation. But it is conditional and data-dependent.

The FTSE is not rallying purely on speculation. It is being supported by:

• Strong financial sector participation
• Commodity-linked strength
• Global earnings exposure
• Anticipation of monetary easing

However, the rally becomes sustainable only if:

1. Inflation continues trending lower
2. Commodity prices remain stable
3. Market participation broadens

If those conditions hold, the FTSE is more likely to grind higher than collapse.

If they fail, expect consolidation or a corrective pullback rather than a full structural breakdown.

Final Verdict

The FTSE 100 rebound is stronger than a typical short squeeze — but it is not unstoppable.

Short term:
Momentum favors buyers.

Medium term:
The path depends heavily on inflation data and commodity stability.

Long term:
The index’s defensive and globally diversified structure gives it durability compared to growth-heavy markets.

Base case: gradual upward bias with volatility.
High-risk scenario: inflation surprise + commodity drop.

For now, the structure supports continuation — but sustainability will be decided by the next wave of economic data.