On a Tuesday morning in late February 2026, the alarms were already sounding across Tel Aviv when the first Israeli jets crossed into Iranian airspace. By nightfall, the country's finance ministry was at its desks running a very different kind of calculation: not the geometry of strike packages or missile intercept ratios, but a stark ledger of weekly economic destruction. Their answer, circulated on March 4, was NIS 9.4 billion - roughly $3 billion - for every seven days that Israel remained on its highest home-front alert level. Not per month. Per week.
It was the kind of number that concentrates the mind. The finance ministry wrote directly to the Home Front Command general, urging an easing of civilian restrictions. The economy, the letter implied, could not be run from a bomb shelter indefinitely.
But to understand what that $3 billion weekly number really means, you have to step back and read it inside a much longer, much more expensive story - one that begins on October 7, 2023, continues through the ruins of Gaza, reaches a brief, violent crescendo in twelve days of aerial combat over Iran last June, and now opens, on its latest chapter, with no ceasefire date in sight and a fiscal balance sheet that has been compressing like a spring for twenty-eight consecutive months.
When Hamas attacked on October 7, 2023, Israel's GDP collapsed at an annualised rate of 21.7 percent in the following quarter - the sharpest quarterly contraction in modern Israeli history. Then it bounced. By Q1 2024, GDP surged at an annualised 14.1 percent, driven by a 26-percent spike in private consumption and a 49-percent jump in fixed investment. This compression-and-release pattern - what analysts would later call the "compressed spring" - would become Israel's economic signature across every phase of the conflict.
But averages deceive. Beneath the headline recovery, the Gaza war was conducting a slow, relentless extraction. The defense budget ballooned from NIS 60 billion in 2023 to NIS 99 billion in 2024 - an 87-percent increase in a single year - and then to NIS 118 billion in 2025. Three hundred thousand reservists were mobilized in the first year alone, each costing nearly NIS 50,000 per month in economic damage. Palestinian laborers, who had built a third of Israel's construction industry, vanished from worksites overnight. The finance ministry would later calculate that weekly reserve mobilization costs alone ran to NIS 660 million.
By the time the Gaza ceasefire arrived in October 2025, the cumulative damage was staggering. The Bank of Israel's annual report, released just two days ago on March 23, put the figure with unusual bluntness: output had fallen 8.6 percent below the pre-war growth trend - a shortfall of approximately $47 billion, or NIS 177 billion. Total war costs, including military operations, reserve pay, and civilian compensation, reached $68 billion. The budget deficit, which had been a modest 0.6-percent surplus before the war, hit 6.8 percent of GDP in 2024. Public debt climbed from 60 percent of GDP to 68.5 percent by end-2025. Three credit rating agencies - Fitch, Moody's, and S&P - cut their outlooks on Israeli sovereign debt.
None of this broke Israel. What made the difference was a fiscal architecture assembled over two decades: emergency bond issuance surpassing $75 billion in 2024 with consistent oversubscription; a 15-percent windfall tax on bank profits during the high-interest-rate period; a hard freeze on civilian infrastructure spending; and $21.7 billion in U.S. military aid between October 2023 and September 2025, per Brown University's Costs of War project. Private Israeli banks added NIS 3 billion in relief loans. The spring compressed - but it held.June 13, 2025. Israel launched Operation Rising Lion - a large-scale assault on Iran's nuclear and military infrastructure. Iran fired back with more than 590 ballistic missiles and over 1,000 drones. Twelve days later, a ceasefire arrived. The cost: approximately $6.5 billion in direct military expenditure, or $542 million per day - a burn rate more than five times higher than the Gaza war's average.
The Institute for National Security Studies (INSS) calculated that in the first two days alone, direct security costs - flight hours, munitions, mobilized reserves - reached NIS 5.5 billion. JPMorgan called the conflict a "temporary slowdown," and it was right: the war ended before the most severe economic restrictions could compound. Israel's GDP contracted roughly one percent in Q2 2025, then recovered. Full-year growth hit 2.9 percent.
But what analysts noticed was the trajectory. Nasser Abdel Karim, economics professor at American University in Palestine, warned that a continuation would have seen Israel "lose in two months what it lost in Gaza in two years." TRT World's post-conflict assessment was more direct: the ceasefire "arrived just in time to prevent a spiralling economic collapse." At that point, Israel had already run twenty months of elevated deficits. The cushions were thinner than they had been on October 7, 2023. The 12-Day War was less a victory lap than a stress test - one that Israel passed by the narrowest of margins. February 28, 2026. The 2026 Iran War began not with a ceasefire on the horizon but with the assassination of Supreme Leader Khamenei and a full-spectrum Iranian retaliation campaign that drew the Strait of Hormuz into the conflict as an economic weapon. This is not the 12-Day War. It is not even the Gaza war. It is something categorically different.
Consider the operational scale alone. The Jerusalem Post reported that Israeli forces are dropping approximately 1,000 munitions daily, with around 150 aircraft accumulating significant flying hours over Iran. The IDF estimated that defense forces had spent approximately NIS 20 billion in just the first 15 days - matching the entire cost of the 12-Day War in less than its duration. The government's defense budget was revised from NIS 112 billion to NIS 177 billion, a NIS 65 billion upward jump. That single budget revision is roughly equal to the entire GDP of a small Middle Eastern economy.
The civilian economy felt it immediately. Under Home Front Command's "red" alert restrictions - limiting travel, closing schools, freezing large parts of normal commercial activity - the Finance Ministry's weekly loss estimate was NIS 9.4 billion ($3 billion). Even under partial "orange" restrictions, the weekly loss was NIS 4.3 billion. By March 11, compensation claims for property damage had already reached 9,829 individual cases.
The macroeconomic whiplash is dizzying. In January 2026, the Bank of Israel forecast 5.2 percent GDP growth for the year - a long-anticipated rebound after two years of war-suppressed output. The IMF was projecting 4.8 percent. Allianz Trade, 3.5 percent. JPMorgan, 5 percent for Q1 annualised. By early March, JPMorgan had revised Q1 to 1 percent annualised. The difference between those two numbers is the cost of the war's opening weeks, priced in growth points.
Finance Minister Smotrich confirmed publicly that the conflict had already cost NIS 9 billion in its early phase. Independent analysis by Calcalist and the Jerusalem Post suggested total war costs could reach NIS 50 billion ($16 billion) depending on duration - which, at current pace, may prove conservative. The IMF's February 2026 Article IV had already warned, before a single bomb was dropped in this new conflict, that "absent further adjustment, public debt will continue rising with risks skewed to the upside."
Governor Yaron's language in his March 23 foreword - that fiscal cushions are "thinner now" - reads, in retrospect, like a premonition written forty-eight hours before its subject arrived.There is a number that does not appear in any of the Finance Ministry's weekly cost assessments or the Bank of Israel's growth projections, but it haunts every line of them. In 1973, following the Yom Kippur War, Israel descended into a decade of stagflation - hyperinflation, frozen growth, a near-collapse of the living standards that the state's founders had spent thirty years building. That outcome was the product of an economy less diversified, less institutionally robust, and more fiscally exposed than the one that exists today. It is the outcome that every competent analyst holds in mind as a limiting case, a worst-case horizon that the current architecture is designed to prevent.
The architecture has held. Through three conflicts, $68 billion in Gaza costs, a doubling of the defense budget, and 300,000 reservists pulled from the civilian labor market, Israel has not suffered a financial crisis. Its bond market remains oversubscribed. Its shekel strengthened 15 percent in 2025. Its credit rating, after three downgrades, stabilised. This is not an accident. It is the product of deliberate fiscal engineering - emergency issuance, windfall taxes, civilian spending freezes, private sector coordination - assembled over two decades and deployed with precision under extraordinary pressure.
But the IMF's February 2026 assessment, written before the current conflict began, was unambiguous: public debt will keep rising absent structural fiscal adjustment. The Bank of Israel governor, two days ago, used the phrase "thinner now" to describe the state of the cushions. Capital Economics warned on March 9 that a prolonged conflict could send Brent crude to $150 per barrel over a six-month sustained period, a price point at which the global economic spillover begins to damage the very growth engine that Israel depends on for its own recovery.
The 2026 Iran war is, by every measurable metric, neither shorter nor more contained than the 12-Day War. At $3 billion per week in current losses, each additional month of "red" restrictions adds $12–13 billion to the damage register. A two-month war, by that math, exceeds the total cost of the June 2025 campaign. A three-month war begins to approach the costs of an entire year of the Gaza campaign. And unlike the Gaza War - whose damage, however severe, was a contained bilateral conflict - the 2026 conflict has produced a global energy shock, a Hormuz blockade, and inflationary pressure that constrains the Bank of Israel's ability to cut rates and buffer the domestic downturn at precisely the moment that rates need to come down.
There is an old saying among treasury officials, rarely heard in peacetime and quoted too often in wars: every economy has a budget constraint; the question is when you hit it. Israel has not hit its constraint. But for the first time since October 2023, the question is no longer theoretical.
The critical variable, as of March 25, 2026, is time.
Omar Ahmed is editor-in-chief of Rudaw’s Economy Desk.
The views expressed in this article are those of the author and do not necessarily reflect the position of Rudaw.