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Waterway BlockConfirmedDeveloping

US strikes Iran for 11th consecutive night as Hormuz conflict derails ceasefire talks

Measured from 22 Jul 2026 (event start), not the 22 Jul 2026 announcement

S&P 500
-0.7%
VIX (fear index)
+6%
Key Takeaway

Defense contractors moved +10.4%, the largest reaction measured, though not statistically significant, meaning it may reflect normal market noise rather than the event itself. This is a provisional result; the full measurement window is not yet complete.

LMT, RTX, NOC · up

01

What Happened

The United States launched its 11th consecutive night of military strikes against Iran, targeting military installations and infrastructure designed to degrade Iran's ability to threaten shipping in the Strait of Hormuz. The Pentagon confirmed the death toll among US military personnel has reached 18, including Sgt. Angel S. Rampersad, following Iranian attacks on a military base in Jordan. Defense Secretary Pete Hegseth disclosed the conflict has cost $37.5 billion so far and is seeking urgent additional funding. Pakistan attempted to revive ceasefire talks, but fighting has intensified rather than diminished. Simultaneously, Yemen's Houthi militia announced plans to impose a maritime blockade on Saudi Arabia, creating a second critical chokepoint risk beyond Hormuz itself.

Full Analysis
Why It Matters

Global energy markets are operating with the thinnest strategic reserves in years while two major maritime chokepoints face simultaneous disruption threats, creating a rare dual-shock scenario.

Timing

Ongoing as of July 22, 2026; escalation pattern suggests at minimum weeks of continued tension; Pakistan's ceasefire efforts indicate low probability of near-term resolution.

About This Date

Reporting confirms 11th consecutive night of strikes as of July 22, 2026, with escalation ongoing and no de-escalation timeline visible.

Read how dates work →
Developing, Provisional Numbers

Partial reaction shown. Significance flags are marked provisional and may change as more price data accumulates.

04

How To Read This

Each sector below is a basket of named stocks. The percentage shown is the move beyond the overall market (S&P 500) , what event studies call the . A move only counts as when it sits clearly outside that basket's normal weekly swings.

05 · Move beyond the overall market

How Much Sectors Moved

Path over time. Click a sector in the legend to toggle it. Dashed lines mark key moments.

Oil tanker operators
+8.1%
STNG, FRO, INSW
not significantt=1.67 · provisional
Oil & gas producers
+5.8%
XOM, CVX, COP
not significantt=0.96 · provisional
Defense contractors
+10.4%
LMT, RTX, NOC
not significantt=1.28 · provisional
Gold
+2.7%
GLD
not significantt=0.81 · provisional
Airline stocks
+3.9%
DAL, UAL, AAL
not significantt=0.55 · provisional

Defense contractors moved most at +10.4% against the market, the direction you would expect from a waterway block. None of the moves cleared the significance threshold. Read the direction as flavour, not signal.

06 · how erratic prices became

Volatility

Volatility measures how erratic prices became, a separate signal from the direction of the move.

How Nervous The Market Got
VIX, the volatility index
+6%

Market fear rose modestly

Before
17.1
Peak
20.7
After
18.1
How Much Choppier Each Sector Got
Realised volatility, before vs after
  • Oil tanker operators
    50%24%
    2.1x calmer after
  • Oil & gas producers
    26%26%
    volatility roughly unchanged
  • Defense contractors
    25%39%
    1.6x more volatile after
  • Gold
    24%22%
    1.1x calmer after
  • Airline stocks
    37%52%
    1.4x more volatile after

The VIX rose 6.0 percent across the window, a mild move. Read this as the market's demand for protection, not the direction of any single sector.

A ratio above 1.00 means the sector's daily-price swings widened after the event. Defense contractors became the most erratic at 1.55×, and 2 of 5 sectors traded meaningfully wider than they did before. Volatility is a separate signal from direction: a sector can end flat and still have traded wildly along the way.

07 · peak move and reversion

Phases

SectorPeak MovePeak DayReverted By
Oil tanker operators+6.5%Day 5Still elevated
Oil & gas producers+9.3%Day 5Still elevated
Defense contractors+11.2%Day 3Still elevated
Gold+2.8%Day 5Day 7
Airline stocks-5.6%Day 1Day 2

The reaction peaked around day 4 on average. 2 of 5 sectors reverted inside the window, 3 were still elevated at the close. A reaction that reverts is a shock priced in; one that stays is a re-rating.

09 · click to expand

Historical Precedents

10a · measured moves

Companies Most Affected

STNG
STNG
Oil tanker operators
+4.6%
FRO
FRO
Oil tanker operators
+9.0%
INSW
INSW
Oil tanker operators
+10.7%
XOM
XOM
Oil & gas producers
+8.2%
CVX
CVX
Oil & gas producers
+4.3%
COP
COP
Oil & gas producers
+4.9%
LMT
LMT
Defense contractors
+13.7%
RTX
RTX
Defense contractors
+12.9%
NOC
NOC
Defense contractors
+4.6%
GLD
GLD
Gold
+2.7%
DAL
DAL
Airline stocks
+4.6%
UAL
UAL
Airline stocks
+5.5%
AAL
AAL
Airline stocks
+1.7%
Confidence

Measured 10 days after the event. Reaction still developing; the full window is not yet complete.

This tool informs your decision. It does not give investment advice.