
The OMX Stockholm 30 Index is a stock market index that tracks the performance of the 30 largest and most liquid stocks listed on the Stockholm Stock Exchange. It's a key benchmark for the Swedish stock market.
The OMX Stockholm 30 Index is a free-float market capitalization-weighted index, meaning that the weights of the stocks are based on their market capitalization and the number of shares that are available for trading.
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What Is?
The OMXS30 is a stock index on the Stockholm Stock Exchange, comprising 30 stocks with significant market capitalization in Sweden.
It's particularly well-suited for use with derivatives products, making it appealing to investors and traders.
The OMXS30 is heavily traded, with the OMX futures contract being a popular choice.
Adjustments to the index composition occur semiannually, ensuring it reflects Sweden's actively traded equities.
Investing in the OMXS30 is essentially investing in the heart of Swedish equity markets.
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History and Composition
The OMX Stockholm 30 index has a rich history that dates back to September 30, 1986, when it was launched with an initial base value of 125.
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The index has come a long way since then, evolving to become a fundamental element of Sweden's stock market landscape. It now represents the top 30 most actively traded stocks on Nasdaq Stockholm.
Here is a list of the 30 companies that make up the OMX Stockholm 30 index as of July 1, 2025:
The OMX Stockholm 30 index is a capitalization-weighted index, meaning that the companies with the largest market capitalization have a greater influence on the index's performance.
History of OMX Stockholm 30
The OMX Stockholm 30, or OMXS30, has a rich history that dates back to 1986. Launched on September 30, 1986, with an initial base value of just 125.
It was designed to track the performance of the 30 most actively traded stocks on the Stockholm Stock Exchange. This index has evolved to become a fundamental element of Sweden’s stock market landscape.
Olof Stenhammar, a Swedish economist and financial expert, started the OMXS30 in collaboration with the Stockholm Stock Exchange (now Nasdaq Stockholm) in 1986. His contribution to the creation of the OMXS30 has had a significant impact on the financial landscape in Sweden and beyond.
The OMXS30 was initially created to provide investors with a benchmark for the Swedish stock market. It now represents the top 30 most actively traded stocks on Nasdaq Stockholm.
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Index Composition

The OMXS30 index composition is a carefully curated selection of 30 stocks that represent the Swedish stock market's diverse sectors. These companies are chosen based on their market capitalization, liquidity, and sector representation.
The OMXS30 index committee selects constituents that meet specific criteria, including being listed on NASDAQ Stockholm and having a suitable share type. A stock must also have a high trading volume during a specified Control Period to be considered.
The index includes prominent entities such as AstraZeneca, a renowned biopharmaceutical company, and Nordea Bank, the most expansive financial services conglomerate across Nordic countries. These companies play a substantial role in bolstering Sweden's economy.
The main sectors in OMXS30 are diverse, including healthcare, banking, telecommunications, automotive, retail, and home appliances. AstraZeneca represents the healthcare sector, while Ericsson represents the telecommunications sector.
Here is a list of the 30 constituents of OMXS30, as of 1 July 2025:
The OMXS30 index composition is a dynamic and constantly evolving representation of Sweden's stock market. The index committee regularly reassesses the constituents to ensure they accurately reflect the market's changing landscape.
How it Works
The OMXS30 is a stock market index that tracks the performance of the 30 largest and most traded companies listed on the Stockholm Stock Exchange.
It's calculated by taking the weighted average of the market capitalizations of these 30 companies, with each company's importance relative to its overall market value.
The OMXS30 is a free-float, capitalization-weighted gauge, meaning it only considers shares that are publicly accessible for trade.
Every six months, the index undergoes regular evaluations and modifications to maintain accuracy in representation, with scrutiny over which stocks should be retained or removed based on specific criteria set by the index regulations.
The OMXS30 is calculated using the last reported sale price from NASDAQ Stockholm for each individual stock, and also accounts for currency fluctuations and dividends through Gross Total Return (GTR) and Net Total Return (NTR) calculations.
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How it works
The OMXS30 is a stock market index that tracks the performance of the 30 largest and most traded companies listed on the Stockholm Stock Exchange.

It's calculated by taking the weighted average of the market capitalizations of these 30 companies, making it a market cap-weighted index.
The OMXS30 is updated every six months to ensure it remains an accurate representation of Sweden's stock exchange climate.
This means that companies that no longer meet the index's criteria are removed, and new ones are added to keep the index fresh and relevant.
The OMXS30 is calculated using the last reported sale price from NASDAQ Stockholm for each individual stock, as well as accounting for currency fluctuations and dividends.
It's a free-float, capitalization-weighted gauge, meaning that only publicly accessible shares are considered, and each company's influence on the index is based on their respective market worth.
The cumulative market value of the OMXS30's member firms is approximately $1.5 trillion, demonstrating the broad expanse and variety inherent within Sweden's stock equity landscape.
The OMXS30 serves as a key barometer for Sweden's overall market health, providing a snapshot of the country's financial trends and performance.
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Is the Stock Market?
The stock market is a complex entity that can be a bit confusing, especially for beginners. OMXS30 is a stock market index in Sweden that tracks the 30 most actively traded stocks on Nasdaq Stockholm.
It's not the same as the entire stock market, though. The OMXS30 represents only a segment of high-capacity stocks within that exchange.
This index is structured as a capitalization-weighted index, meaning more prominent companies exert greater influence over its fluctuations.
Importance and Benefits
The OMX Stockholm 30 is a significant benchmark for the Swedish stock market, providing a gauge for the overall performance of the top 30 companies listed on the Stockholm Stock Exchange.
This index is more than just a gauge, as it underpins numerous financial instruments like futures and exchange-traded funds (ETFs), enabling investors to employ varied investment tactics tailored to their fiscal objectives.
The OMXS30 offers diversified exposure to the top 30 companies in the Stockholm Stock Exchange, providing potential for long-term growth and ease of investment through index funds or ETFs.
As a passive investor, you'll likely outperform most active investors by investing in the OMXS30, which acts as a foundational asset for diverse financial instruments ranging from ETFs to leveraged products.
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What Are the Downsides?

The OMXS30 index isn't without its drawbacks. The leverage associated with futures contracts can amplify losses when prices move adversely due to its inherent volatility risk.
Potential volatility is a significant concern, as it can lead to sudden and significant changes in the value of your investment. This can be particularly challenging for investors who are not comfortable with high-risk investments.
The OMXS30 is heavily dependent on both Nordic and EU economic activities, leaving it susceptible to regional economic shifts. This means that a downturn in the economy of one of these regions could negatively impact the performance of the index.
Concentration risk is another issue, given that the OMXS30 comprises only 30 companies. This limited diversification may not align with investors seeking a broader spread of stocks in their portfolios.
The index's substantial allocation to financial stocks also poses a risk, as the performance of these stocks can be particularly volatile. This could lead to significant losses if the financial sector experiences a downturn.
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Importance of

The OMXS30 is a benchmark for the overall performance of the Swedish stock market, representing the top 30 companies listed on the Stockholm Stock Exchange.
It serves as an indispensable instrument for investors and traders looking to gauge market trends, providing insights into the condition of Swedish equities by monitoring the top 30 largest stocks.
The OMXS30 underpins numerous financial instruments like futures and exchange-traded funds (ETFs), enabling investors to employ varied investment tactics tailored to their fiscal objectives.
These tools allow investors to invest without requiring direct ownership of individual shares, providing extensive exposure across the Swedish equity landscape.
The OMXS30 index is a foundational asset for diverse financial instruments, ranging from ETFs to leveraged products like XACT Bull and Bear funds.
Investors can employ an array of trading strategies depending on their investment appetites, from conservative approaches using ESG-focused variants to engaging with short-duration market trends through Weekly Options.
The OMXS30 commands significant influence over Sweden's finance industry, making it a crucial component for investors and traders alike.
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Investing in OMX Stockholm 30
Investing in OMX Stockholm 30 can be done in various ways. You can purchase individual stocks within the index or invest in exchange-traded funds (ETFs) that track the OMXS30.
One common method is to invest in ETFs that mirror the index's performance. These ETFs, such as XACT OMXS30, XACT Bull, and XACT Bear, offer a cost-effective way to access a diversified portfolio with just one security. You can purchase these ETFs through a brokerage platform or online trading platform.
Investing in the OMXS30 can also be done through Contracts for Difference (CFD). CFDs allow you to trade on fluctuations in the value of OMXS30 without direct ownership of the constituent assets. However, understanding how CFDs operate is crucial, as they provide leverage opportunities that can amplify both profits and losses.
To invest in OMXS30, you can also use futures contracts. These contracts are formalized agreements that are cash-settled instead of requiring delivery of tangible securities. Futures contracts on OMXS30 allow you to forecast how well the index will perform without holding any of its actual stocks.
Here are some popular options for investing in OMX Stockholm 30:
- XACT OMXS30: An exchange-traded fund designed to mirror the performance of the OMX Stockholm 30 Index.
- XACT Bull: A leveraged ETF that aligns with movements in the OMXS30.
- XACT Bear: A leveraged ETF that presents exposure opposite to that of the index's trajectory.
- Mutual funds that track the OMXS30: These funds are designed to replicate the performance of the OMX Stockholm 30 Index, offering exposure to a diversified portfolio of leading Swedish companies across various sectors.
Remember to consider the associated costs, including fees and commissions, when investing in OMXS30.
Performance and News
The OMX Stockholm 30 Index has shown a significant increase in value over the years, with a 18.72% growth in the past six months.
The index has also experienced fluctuations in the short term, with a 0.79% decrease in the last week and a 0.1% decrease on October 7th.
Here is a summary of the index's performance over the past few months:
The OMX Stockholm 30 Index has also been impacted by global events, such as the US-China trade tensions, which caused a 0.8% drop on October 10th.
Quotes and Performance
The OMX Stockholm 30 Index has seen a significant increase in its performance over the past year, with a 9.04% growth in the current year.
In the past month, the index has shown a strong performance, with a 2.98% growth. This is a notable improvement from the previous month's growth of 1.68%.
Here's a breakdown of the index's performance over the past few months:
The index has also shown resilience in the face of global market fluctuations, with a 17.26% growth in 2023 despite a 15.55% drop in 2022.
Index Component News

Nordea is expected to report a significant operating profit of EUR 1,487 million, according to Bloomberg.
Saab has secured a massive order worth SEK 9.6 billion from the Swedish Armed Forces, with the company signing a new contract for the Swedish A26 submarines.
Several analysts have made changes to their ratings and price targets for various companies. For instance, Jefferies has downgraded Ericsson to Hold, while Bernstein has upgraded AB Volvo to Market Perform.
Here's a brief summary of the changes:
Saab has received multiple orders worth SEK 9.6 billion, including an additional order relating to the Swedish A26 submarines.
Components and Sectors
The OMX Stockholm 30 index is made up of 30 of the most traded stocks on the Stockholm Stock Exchange in Sweden.
These companies play a significant role in Sweden's economy, with representation across various sectors.
The OMXS30 includes prominent entities such as AstraZeneca, a biopharmaceutical company known for its science-driven innovations.
Nordea Bank is also part of the index, standing out as the most expansive financial services conglomerate across Nordic countries.
The makeup of the OMXS30 is regularly examined and revised to ensure it accurately reflects Sweden's stock market landscape.
This ongoing process highlights the fluidity inherent within Swedish equity markets.
Here are some of the main sectors in OMXS30:
- Healthcare: AstraZeneca
- Banking: Nordea Bank
- Telecommunications: Ericsson
- Automotive industry: Volvo
- Retail: H&M
- Home appliances: Electrolux
Investment Options
You can invest in the OMX Stockholm 30 index through various methods, including purchasing individual stocks within the index, investing in exchange-traded funds (ETFs) that track the index, or trading OMXS30 index futures contracts.
One common method is by purchasing an exchange-traded fund (ETF) that mirrors the index's performance, such as XACT OMXS30, XACT Bull, and XACT Bear. These ETFs offer a cost-effective way to access a diversified portfolio with just one security.
Investing in the OMX Stockholm 30 can also be done through Contracts for Difference (CFD), which allows you to trade on fluctuations within the value of OMXS30 without direct ownership over constituent assets.
The OMXS30 index is composed of the 30 most highly capitalized stocks on the Nasdaq Nordic exchange located in Stockholm, making it a popular choice for investors. You can use platforms like brokerage firms, online trading platforms, or financial institutions offering access to Swedish stock exchanges to invest in the index.
There are various options to choose from, including ESG (Environmental, Social, and Governance) variants of the OMXS30 index, which allow you to invest responsibly. Some notable platforms that offer opportunities to invest in the OMXS30 include Yahoo Finance.
Here are some of the investment options available for the OMX Stockholm 30 index:
- Exchange-traded funds (ETFs)
- Contracts for Difference (CFD)
- Futures contracts
- Index funds or mutual funds
- Managed fund options
Each of these options has its own characteristics, advantages, and disadvantages, so it's essential to understand the associated costs, including fees and commissions, before making a decision.
Dividends and Rebalancing
The OMXS30 index is rebalanced on a semi-annual basis to ensure it accurately represents the market.
This rebalancing occurs biannually to reflect shifts in market capitalization among its constituents, maintaining the integrity of the OMXS30.
The OMXS30 does pay dividends, as many of its constituent companies regularly distribute dividends to their shareholders as a portion of their profits.
However, it's essential to note that dividend payments can vary between companies and may not always be guaranteed, so investors should research the dividend policies of individual companies within the index.
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S30 Dividend?
The OMXS30 does pay dividends, and many of its constituent companies regularly distribute dividends to their shareholders as a portion of their profits.
These dividends can provide an additional source of income for investors who hold stocks within the OMXS30 index.
However, it's essential to note that dividend payments can vary between companies and may not always be guaranteed.
Investors interested in dividend income from OMXS30 stocks should research the dividend policies of individual companies within the index.
You cannot obtain dividends straight from the OMXS30, but there is an advantage to be had in the form of dividend payouts from its constituent firms via tracking with the OMXS30DVP.
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Rebalancing Frequency
The OMXS30 is rebalanced on a semi-annual basis. This means that the index is adjusted twice a year to reflect changes in the market capitalization of its constituent companies.
Rebalancing occurs biannually to ensure the index remains a accurate representation of the most actively traded stocks on Nasdaq Stockholm.
Ownership and Origin
The OMXS30 is owned by the Nasdaq Nordic stock exchange, under the administration and management of Nasdaq, Inc. This collective ownership involves a group of various financial stakeholders.
The OMXS30 was started by Olof Stenhammar, a Swedish economist and financial expert, in collaboration with the Stockholm Stock Exchange in 1986. His design of the index aimed to track the performance of the 30 most actively traded stocks on the Stockholm Stock Exchange.
S30 Ownership
The OMXS30 index is owned by the Nasdaq Nordic stock exchange, specifically under the administration and management of Nasdaq, Inc., the same entity that runs the Stockholm Stock Exchange.
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The oversight of the OMXS30 involves a collective of various financial stakeholders, rather than a single individual or organization claiming ownership.
The Nasdaq Nordic stock exchange is responsible for the administration and management of the OMXS30, ensuring its accuracy and integrity.
It's worth noting that the ownership of the OMXS30 is not a straightforward concept, as it's a collective effort from multiple stakeholders.
Here are the entities involved in the ownership and management of the OMXS30:
- Nasdaq Nordic stock exchange
- Nasdaq, Inc.
- Stockholm Stock Exchange
- Collective of various financial stakeholders
Origin of the Index
The OMXS30 has a fascinating origin story. Olof Stenhammar, a Swedish economist and financial expert, started the OMXS30 in collaboration with the Stockholm Stock Exchange in 1986.
This index was designed to track the performance of the 30 most actively traded stocks on the Stockholm Stock Exchange. The OMXS30 was created to provide investors with a benchmark for the Swedish stock market.
The OMXS30 started its history in September 1986 as a stock market index for the 30 largest companies on the Stockholm Stock Exchange in Sweden. Since its inception, the index has evolved to become a fundamental element of Sweden's stock market landscape.
Frequently Asked Questions
What is the OMX 30 methodology?
The OMX 30 methodology is a market capitalization weighted index, where each security's weight is determined by its market value relative to the total market value of all securities. This approach ensures that larger companies have a greater influence on the index's performance.
What is the index of OMX Stkh30?
The OMX Stockholm 30 Index is currently valued at 2,642.0204 SEK. It's a key indicator of the Swedish stock market's performance.
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