When geopolitical tensions spike in the Middle East, the first signs of economic instability rarely appear in the price of consumer goods or stock tickers. Instead, they manifest in the fine print of maritime contracts. For the global shipping industry, the onset of conflict—such as the recurring tensions involving Iran or the volatility in the Red Sea—triggers an immediate and complex recalibration of risk.
To the casual observer, a ship is a vessel of steel and cargo. To a financial analyst, however, a ship is a floating liability. The mechanism of how shipping insurance works during a war is the invisible hand that decides which trade routes remain open and which grow too expensive to navigate. When insurers perceive a heightened threat of missile attacks, seizures, or mines, they don’t simply cancel policies; they change the price of entry.
This system relies on a delicate balance between standard coverage and specialized “war risk” policies. Even as basic insurance covers accidents and weather, the moment a region is designated as a conflict zone, the financial stakes shift from routine maintenance to existential risk management. This transition often happens in a matter of hours, sending shockwaves through global supply chains.
The Divide: Standard Coverage vs. War Risk
Most commercial vessels operate under two primary types of insurance: Hull and Machinery (H&M) and Protection and Indemnity (P&I). H&M covers the physical ship, while P&I—typically managed by mutual “clubs” of shipowners—covers third-party liabilities, such as oil spills or crew injuries. However, almost every standard maritime policy contains a “war exclusion” clause.
This exclusion means that if a ship is sunk by a torpedo or seized by a foreign navy, the standard policy will not pay out. To bridge this gap, shipowners must purchase separate War Risk Insurance. Here’s a specialized product designed to cover losses resulting from “war, civil war, revolution, rebellion, insurrection, or malicious damage.”
The distinction is critical as War Risk Insurance is not a static annual fee. It is highly reactive. When a conflict erupts, insurers can trigger “notice of cancellation” for existing war risk policies in specific regions, forcing shipowners to renegotiate terms and pay higher rates to maintain coverage for a single voyage.
The Role of the Joint War Committee
The industry does not guess which parts of the ocean are dangerous. Instead, it relies on the Lloyd’s Market Association (LMA) and the Joint War Committee (JWC). The JWC is a consultative group of underwriters and brokers in London that maintains the “Hull War, Piracy, Terrorism and Related Perils Listed Areas.”
When the JWC adds a region—such as the Strait of Hormuz or the Gulf of Aden—to this list, it effectively signals to the entire global market that the area is now a “high-risk zone.” This designation is the catalyst for the financial shifts that follow. Once an area is listed, any vessel entering those waters must notify its insurer and pay an Additional Premium (AP).
These premiums are typically calculated as a percentage of the vessel’s total insured value. For example, if a ship is valued at $100 million and the insurer charges an AP of 0.5% for a transit, the owner must pay $500,000 just for the privilege of sailing through that specific corridor for a few days.
Breaking Down the Cost Structure
The financial impact of war risk insurance varies depending on the vessel type and the intensity of the conflict. The following table illustrates how these costs typically escalate during a transition from peace to conflict.

| Risk Level | Policy Type | Premium Structure | Primary Trigger |
|---|---|---|---|
| Standard | H&M and P&I | Annual fixed premium | Routine operational risk |
| Elevated | War Risk (Listed Area) | Additional Premium (AP) per voyage | JWC “Listed Area” designation |
| Acute | War Risk (Active Conflict) | Dynamic, daily-adjusted APs | Active missile/drone attacks |
The Ripple Effect on Global Trade
The cost of insurance is rarely absorbed by the shipowner. Instead, it is passed down the chain. When Additional Premiums spike, shipping lines increase their “war risk surcharges” for cargo owners. In other words the company importing electronics from Asia or oil from the Persian Gulf pays more for the transport.
If the insurance costs become prohibitive, shipping companies may choose to avoid the risk area entirely. This was evident during the Red Sea shipping crisis, where many vessels opted to divert around the Cape of Good Hope. While this avoids the war risk premiums and the physical danger of Houthi drone attacks, it adds thousands of miles to the journey, increasing fuel costs and delaying deliveries.
This creates a secondary economic effect: a reduction in effective global shipping capacity. When ships accept longer routes, they cannot complete as many voyages per year. This tightens the supply of available ships, driving up freight rates across the board—even for routes that are not in a war zone.
What Remains Uncertain
Despite the structured nature of the JWC and the insurance markets, there are significant gaps in how risk is managed during prolonged conflicts. One major point of contention is “state-backed” risk. If a government provides its own insurance guarantees for ships—as some nations do for their national oil tankers—it can distort the market, allowing some vessels to sail while others are priced out.
the speed of modern warfare, characterized by low-cost drones and cyber-attacks, has challenged the traditional underwriting models. Insurers are now struggling to quantify the risk of “grey zone” warfare—actions that fall below the threshold of formal war but still cause significant physical and financial damage.
Disclaimer: This article is provided for informational purposes only and does not constitute financial, legal, or investment advice.
The current stability of global trade corridors depends heavily on the next set of updates from the Joint War Committee and the diplomatic trajectory of Middle Eastern relations. Market participants are currently monitoring the potential for further expansions of listed areas, which would signal a broader shift in how global shipping risk is priced for the coming year.
We invite you to share your thoughts on how these supply chain shifts are affecting your industry in the comments below.
