Markets on the Eve of War
Published . Updated .
Markets have this week moved to fully price in a return to a “hot” war with Iran
Directly affected
- No company is named in this report.
Indirectly affected
- ITA iShares U.S. Aerospace & Defense ETF-3.0% 30d
iShares U.S. Aerospace & Defense ETF: it holds defense and aerospace contractors. Linked by “war” (defense) in this story.
- XAR SPDR S&P Aerospace & Defense ETF-6.6% 30d
SPDR S&P Aerospace & Defense ETF: it holds defense and aerospace contractors. Linked by “war” (defense) in this story.
- PPA Invesco Aerospace & Defense ETF-1.2% 30d
Invesco Aerospace & Defense ETF: it holds defense and aerospace contractors. Linked by “war” (defense) in this story.
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| ITA | -1.26% | -0.97% | base | after close | after close | after close | after close |
| XARNo price data for this ticker | — | — | — | — | — | — | — |
| PPANo price data for this ticker | — | — | — | — | — | — | — |
Closing-price change versus T-1, the last close before the story. T0 to T+3 fill in after each market close. Prices: Alpaca IEX.
Market Call
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Markets on the Eve of War Robin J Brooks | Substack
Source: Robin J Brooks | Substack
The price since 31 Oct 2026: IShares U.S. Aerospace & Defense ETF (ITA) versus the S&P 500
| Company | When | Move | Status |
|---|---|---|---|
| IShares U.S. Aerospace & Defense ETF (ITA) | three days earlier | -0.97% | final price |
| IShares U.S. Aerospace & Defense ETF (ITA) | five days earlier | -1.26% | final price |
Who collects and who pays in defense
Companies tied to this story
- ITA IShares U.S. Aerospace & Defense ETF
IShares U.S. Aerospace & Defense ETF (ITA) is linked, with no stored direction, medium confidence in the 31 Oct 2026 story “Markets on the Eve of War.” Reason on file: iShares U.S. Aerospace & Defense ETF: it holds defense and aerospace contractors. Linked by “war” (defense) in this story
- XAR Spdr Series Trust
In “Markets on the Eve of War,” Spdr Series Trust (XAR) is linked, with no stored direction, medium confidence. Reason on file: SPDR S&P Aerospace & Defense ETF: it holds defense and aerospace contractors. Linked by “war” (defense) in this story
- PPA Invesco Aerospace & Defense Etf
For “Markets on the Eve of War,” Invesco Aerospace & Defense Etf (PPA) is linked, with no stored direction, medium confidence. Reason on file: Invesco Aerospace & Defense ETF: it holds defense and aerospace contractors. Linked by “war” (defense) in this story
How “Markets on the Eve of War” reaches IShares U.S. Aerospace & Defense ETF (ITA)
“Markets on the Eve of War” (31 Oct 2026) reaches IShares U.S. Aerospace & Defense ETF (ITA) through Defense.
What ties IShares U.S. Aerospace & Defense ETF (ITA) to the headline is this: iShares U.S. Aerospace & Defense ETF: it holds defense and aerospace contractors. Linked by “war” (defense) in this story
A second company, Spdr Series Trust (XAR), is listed for a different reason: SPDR S&P Aerospace & Defense ETF: it holds defense and aerospace contractors. Linked by “war” (defense) in this story
Dates in the story, and the IShares U.S. Aerospace & Defense ETF (ITA) price range
ITA traded between 197.59 and 215.76 across 20 sessions. The latest close on file is 209.72. PPA traded between 150.30 and 158.29 across 20 sessions. The latest close on file is 158.05. XAR traded between 210.89 and 237.55 across 20 sessions. The latest close on file is 227.38.
How strong the case is around IShares U.S. Aerospace & Defense ETF (ITA)
27 out of 100
“Markets on the Eve of War” scores 27 out of 100. The score uses 1 sources, and 3 linked companies.