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Oil prices play a key role

Carlsquare
18 Mar 2026 | 5 min read
Contents
Aerial view of the wheat harvest - clouds of dust over the field

This week's case highlights the potential consequences of sustained higher energy prices and the closure of the Strait of Hormuz, including increased cereal prices, such as wheat. Within three months, a shortage of fertilizer could lead to increased production costs for farmers worldwide. Supply-side cost pressures will likely increase prices and boost the outlook for wheat futures.

Contents

Case of the week: Higher wheat prices given a long war in Iran

Since the US-Israeli war with Iran began on February 27, the price of Brent crude oil has increased from around $73 per barrel to around $100 per barrel. Despite Western countries releasing parts of their strategic oil reserves, oil prices have continued to rise. Recently, the US damaged Iran's oil infrastructure on Kharg Island. Kharg handles approximately 90% of Iran’s crude oil exports, which is vital for both Tehran’s economy and the global oil market. However, this increases the likelihood ofIran retaliating by attacking oil production facilities in Saudi Arabia and other smaller Gulf states.

On Saturday, March 14, Trump wrote on Truth Social that countries affected by Iran's actions in the Strait of Hormuz would send warships to the area to work alongside the United States in keeping the strait "open and safe." He listed China, France, Japan, South Korea, and the United Kingdom as countries that he hopes will hopefully contribute. However, Britain and Germany have already refused Trump’s offer, while Japan and South Korea's response can, at best, be described as a wait-and-see approach. 

If the war continues, there will be other long-term consequences. One such consequence would be an increased price of cereals, such as wheat. Since transportation and food production depend heavily on fuel, higher oil prices directly lead to higher production costs for agriculture and more expensive transportation.

Ten-Year Comparison of Brent Oil Prices (Blue Line) and Wheat Future Prices (Green Line)

Ten-Year Comparison of Brent Oil Prices (Blue Line) and Wheat Future Prices (Green Line)
Source: Infront and Carlsquare. Note: Past performance is not a reliable indicator of future results

Iran has effectively blocked the Strait of Hormuz, a vital shipping route for global trade. This is causing problems for shipping companies, resulting in delays and increased shipping costs. Between one-third and one-half of all global fertilizer shipments pass through the Strait of Hormuz. Fertilizer is one of the most important goods for agriculture, and it is currently almost impossible for cargo ships to navigate the strait. We believe this will affect food production in most countries within three months, with prices in stores rising soon thereafter.Global grain production has already been under strain since Russia’s invasion of Ukraine in 2022. The conflict has disrupted Ukraine’s grain productioion, and blocked shipping ports on the Black Sea. According to the UN Food and Agriculture Organization, the top five wheat producers in 2024 were China, India, Russia, the United States, and Canada. By then, Ukraine had fallen to ninth place. As shown in the five-year weekly chart below, the price of Chicago Soft Wheat Futures was more than double today's price when the Russia-Ukraine war started in the first half of 2022.

Bull & Bear Certificate
Wheat Soft Red Future
ISIN DE000VK7KMQ5
3x Long
+6.67%
Bull & Bear Certificate
Wheat Soft Red Future
ISIN DE000VK7KMP7
3x Short
-5.07%
Bull & Bear Certificate
Wheat Soft Red Future
ISIN DE000VK7KMR3
6x Long
+12.71%
Bull & Bear Certificate
Wheat Soft Red Future
ISIN DE000VK7KMS1
6x Short
-11.12%

Chicago Soft Red Wheat May 2026 Future (in US cents per bushel), one-year daily chart

Chicago Soft Red Wheat May 2026 Future (in US cents per bushel), one-year daily chart
Source: Infront and Carlsquare. Note: Past performance is not a reliable indicator of future results

Chicago Soft Red Wheat May 2026 Future (in US cents per bushel), five-year weekly chart

Ten-Year Comparison of Brent Oil Prices (Blue Line) and Wheat Future Prices (Green Line)
Source: Infront and Carlsquare. Note: Past performance is not a reliable indicator of future results

Macro comments

U.S. stock markets fell further on Friday, March 13. The S&P 500 lost 1.6% over the course of last week. On Friday, March 13, CNN's "Fear & Greed Index" fell below 25, marking the first time the index has been in "Extreme Fear" since November 2025. This has occurred 22 times in the past five years, and in 19 of those instances (86%), the S&P 500 was higher one month after an "extreme fear" situation was first noted.

On Wednesday, March 18, Chinese company Tencent will release an interim report. Meanwhile, Swedish Boliden is holding a capital markets day. The most important macroeconomic news of the day is the Federal Reserve's interest rate announcement. Prior to this, however, we will receive the current account balance for February from Japan and the CPI for February for the eurozone. We will also receive the U.S. producer price index for February, industrial orders for January, and weekly oil inventories from the U.S. Department of Energy.

On Thursday, March 19, FedEx will release an interim report. The Swedish companies Coor, Ratos and BHG will each host a capital markets day. In terms of macro statistics, Japan's January machinery orders and industrial production figures will be presented first. In Europe, interest rate announcements will come from the European Central Bank (ECB), the Bank of England, and the Swedish Riksbank. The U.S. will contribute the Philadelphia Fed Index, weekly initial jobless claims, and new home sales and January’s wholesale prices.

On Friday, March 20, the release of macro statistics will begin with Germany's February producer price index. Next is the Eurozone's January trade balance. Finally, the UK's CBI industrial trends for March will be released.

US 10-year Treasury yield, five-year weekly chart

US 10-year Treasury yield, five-year weekly chart
Source: Infront Note: Past performance is not a reliable indicator of future results

Negative momentum keeps the risk tilted toward the downside

The S&P 500 reached its year-to-date (YTD) low on Friday, March 13, before recovering on Monday, March 16, and Tuesday, March 17, due to lower oil prices. Currently, the index is trading below the6,750 resistance level. A cluster of moving averages and a second resistance zone around 6,900 are capping the upside. Without a decisive shift in the situation in Iran towards clear de-escalation or escalation, and with oil prices holding at current levels, the most likely outcome is a range-bound market between the 200-day moving average (currently 6,615) and 6,900. However, bulls must first reclaim the MA20 at 6,804. Ahead of today’s Fed dot plot, however, the negative momentum illustrated by MACD and the falling MA20 should not be forgotten. All else being equal, the risk lies on the downside.

Bull & Bear Certificate
S&P 500® Index
ISIN DE000VK7KHZ6
3x Long
-2.88%
Bull & Bear Certificate
S&P 500® Index
ISIN DE000VK7KHY9
3x Short
+4.75%
Bull & Bear Certificate
S&P 500® Index
ISIN DE000VF52RM0
6x Long
-6.50%
Bull & Bear Certificate
S&P 500® Index
ISIN DE000VK7KH69
6x Short
+8.75%

S&P 500 (in USD), one-year daily chart

S&P 500 (in USD), one-year daily chart
Source: Infront and Carlsquare. Note: Past performance is not a reliable indicator of future results.

S&P 500 (in USD), five-year weekly chart

S&P 500 (in USD), five-year weekly chart
Source: Infront and Carlsquare. Note: Past performance is not a reliable indicator of future results.

Beyond softer oil prices, the rebound in the NASDAQ-100 and the S&P 500 was driven by Nvidia's $1 trillion revenue target and CEO Jensen Huang's product announcements. The Nasdaq 100 bounced cleanly off the MA200, which is currently at 24,318, and is now approaching the MA20, which is currently at 24,873. The next upside hurdle is the MA100, which is currently at 25,187. However, momentum remains negative, so the risk is skewed to the downside.

Bull & Bear Certificate
Nasdaq-100 Index®
ISIN DE000VX0TY77
3x Long
-3.25%
Bull & Bear Certificate
Nasdaq-100 Index®
ISIN DE000VK7KJ18
3x Short
+5.10%
Bull & Bear Certificate
Nasdaq-100 Index®
ISIN DE000VV1HLN0
6x Long
-7.20%
Bull & Bear Certificate
Nasdaq-100 Index®
ISIN DE000VK7KHD3
6x Short
+9.55%

NASDAQ-100 (in USD), one-year daily chart

NASDAQ-100 (in USD), one-year daily chart
Source: Infront and Carlsquare. Note: Past performance is not a reliable indicator of future results.

NASDAQ-100 (in USD), five-year weekly chart

NASDAQ-100 (in USD), five-year weekly chart
Source: Infront and Carlsquare. Note: Past performance is not a reliable indicator of future results.

The OMXS30 has mirrored the volatile nature of global markets. As the chart below shows, the index is struggling to reclaim the EMA9 level, with the nearest support around 3,000. Momentum remains negative, keeping the risk skewed to the downside. A drop below 3,000 would expose the MA100 at 2,930. Conversely, reclaiming the EMA9 level would bring the MA20, currently at 3,112, into focus.

Bull & Bear Certificate
OMX Stockholm 30 Index
ISIN DE000VJ034C0
3x Long
-3.90%
Bull & Bear Certificate
OMX Stockholm 30 Index
ISIN DE000VJ07R24
3x Short
+4.03%
Bull & Bear Certificate
OMX Stockholm 30 Index
ISIN DE000VE3ERX0
6x Long
-7.64%
Bull & Bear Certificate
OMX Stockholm 30 Index
ISIN DE000VJ1A5T9
6x Short
+8.24%

OMX30 (in SEK), one-year daily chart

OMX30 (in SEK), one-year daily chart
Source: Infront and Carlsquare. Note: Past performance is not a reliable indicator of future results.

OMX30 (in SEK), five-year weekly chart

OMX30 (in SEK), five-year weekly chart
Source: Infront and Carlsquare. Note: Past performance is not a reliable indicator of future results.

Germany's cyclical, energy-sensitive economy has put pressure on the DAX, which has fallen by around 6% over the past month, despite yesterday's 0.7% increase. As the chart below shows, the index remains capped by EMA9. Breaking above this level would open up the 24,000–24,335 zone. Support levels are at 23,365, followed by 23,075 and 22,825.

Bull & Bear Certificate
DAX®
ISIN DE000VK7KBU0
3x Long
-4.76%
Bull & Bear Certificate
DAX®
ISIN DE000VK7KBT2
3x Short
+6.17%
Bull & Bear Certificate
DAX®
ISIN DE000VK7KBZ9
6x Long
-9.86%
Bull & Bear Certificate
DAX®
ISIN DE000VK7KB08
6x Short
+12.06%

DAX (in EUR), one-year daily chart

DAX (in EUR), one-year daily chart
Source: Infront and Carlsquare. Note: Past performance is not a reliable indicator of future results.

DAX (in EUR), five-year weekly chart

The full name for abbreviations used in the previous text:

EMA 9: 9-Day Exponential Moving Average

Fibonacci: There are several Fibonacci lines used in technical analysis. Fibonacci numbers are a sequence in which each successive number is the sum of the two previous numbers.

MA20: 20-Day Moving Average

MA50: 50-Day Moving Average

MA100: 100-Day Moving Average

MA200: 200-Day Moving Average

MACD: Moving Average Convergence Divergence

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Risk with leverage products:

Due to the leverage effect, there is an increased risk of loss (risk of total loss) with leverage products, e.g. Bull & Bear Certificates, Warrants and Mini Futures.

External author:

This information is in the sole responsibility of the guest author and does not necessarily represent the opinion of Bank Vontobel Europe AG or any other company of the Vontobel Group. This information is sponsored by Bank Vontobel Europe AG, which may be a counterparty to transactions involving the financial instruments discussed in this information. The further development of the index or a company as well as its share price depends on a large number of company-, group- and sector-specific as well as economic factors. When forming his investment decision, each investor must take into account the risk of price losses. Please note that investing in these products will not generate ongoing income.

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