Thailand crypto ETF Rules: Why Only BTC and ETH?

Overview

Thailand's new crypto ETF framework took effect on October 16, 2026, creating a formal route for locally established exchange-traded funds that track cryptocurrency prices. The rules were issued by Thailand's Securities and Exchange Commission on October 8 after public consultations earlier in the year. During the initial stage, a Thailand crypto ETF may invest only in Bitcoin or Ethereum, although the SEC has left room to expand the eligible-asset list later.

The framework is more restrictive than simply allowing asset managers to package any cryptocurrency inside an ETF. Funds must operate as passive investment vehicles, and average net exposure to the single cryptocurrency being tracked must equal at least 80% of NAV over each accounting year. Crypto ETFs must trade exclusively on the Stock Exchange of Thailand, while their digital assets must be safeguarded by custodians regulated by the Thai SEC. Investors must also receive product and risk information and acknowledge the relevant risks before trading.

The October 16 effective date should not be confused with the launch date of the first ETF. The regulations establish the framework under which asset managers can develop and seek approval for products; they do not mean BTC and ETH ETFs automatically began trading that day. Thailand is therefore opening a regulated domestic access channel while deliberately limiting the first phase to the two crypto assets it considers sufficiently established for an ETF structure.

Key Takeaways

• Thailand's crypto ETF regulations took effect on October 16, 2026.
• Bitcoin and Ethereum are the only eligible crypto assets during the initial phase.
• Each product must be passive and maintain average net exposure of at least 80% of NAV to a single eligible crypto asset.
• Thai crypto ETFs will trade exclusively on the Stock Exchange of Thailand.
• Rule effectiveness does not mean the first BTC or ETH ETF has already begun trading.

What Do the New Thailand crypto ETF Rules Allow?

Thailand's SEC has moved from consultation to an operational regulatory framework. The regulator issued 11 related notifications governing the establishment and oversight of crypto ETFs, delegation of digital-asset investment management and the role of digital-asset custodians and other qualified operators in fund supervision. Those notifications took effect on October 16.

For investors, the main change is the creation of a domestic regulated fund structure through which cryptocurrency price exposure can eventually be accessed on the Stock Exchange of Thailand. For asset managers, the rules define the operational, custody and investment requirements that need to be met before a product can be brought to market.

MEXC previously covered Thailand's move to allow Bitcoin and Ethereum ETF trading as the regulatory framework moved toward its effective date.

The initial scope is deliberately narrow:

• eligible assets are limited to Bitcoin and Ethereum;
• products must follow a passive investment strategy;
• average net exposure to the tracked crypto asset must be at least 80% of NAV over each accounting year;
• products must be listed and traded exclusively on the Stock Exchange of Thailand;
• digital assets must be safeguarded by a licensed digital-asset custodian;
• investors must receive risk information and acknowledge that they understand the relevant risks before trading.

This is therefore a controlled opening of the market rather than unrestricted approval of crypto-based exchange-traded products.

Why Are Only Bitcoin and Ethereum Eligible?

The SEC says it will determine eligible crypto assets by considering factors including liquidity, broad market acceptance, network security and investor protection. Bitcoin and Ethereum are the only assets selected for the initial phase.

That does not establish a permanent legal ceiling on other cryptocurrencies. The framework allows the regulator to determine eligible asset types over time, meaning additional assets could become possible if the SEC concludes that they satisfy the relevant standards.

The first-stage restriction instead indicates how Thailand is sequencing the market opening. Rather than allowing asset managers to select from the broader crypto market immediately, the regulator is beginning with two assets that have comparatively established global liquidity, infrastructure and market recognition.

The approach limits product diversity at launch but reduces some of the liquidity, custody and market-integrity problems that become more significant with smaller crypto assets.

How a Thai Crypto ETF Will Be Structured

The framework is significant because it regulates more than the underlying asset. It also specifies who can manage the fund, who can hold its digital assets, where shares can trade and what investors need to understand before buying.

This produces a very different access model from opening an account on a crypto exchange and purchasing BTC or ETH directly. ETF investors receive securities-market exposure through a regulated fund wrapper rather than direct control of cryptocurrency in a personal wallet.

A Rule Taking Effect Is Not the Same as an ETF Launch

October 16 is the effective date of the regulatory framework. It should not be presented as the first trading date of a Thai Bitcoin or Ethereum ETF.

The sequence is more accurately understood as:

Rules issued
→ rules become effective
→ asset manager prepares product
→ regulatory and operational requirements are satisfied
→ custody and fund infrastructure established
→ product approved and listed
→ ETF begins trading on SET

This distinction is particularly important for market analysis because approval of a framework creates potential access but does not immediately produce assets under management or capital flows.

No ETF inflow should therefore be inferred merely from the regulations becoming effective. Actual demand will only become measurable after products launch, investors subscribe and trading begins.

The same caution applies to comparisons with U.S. spot Bitcoin ETFs. A legal framework can create the conditions for institutional or retail access, but the size of the market depends on issuer participation, distribution, fees, investor demand and the liquidity of the resulting products.

Thailand Is Also Changing Who Can Access Crypto Through Funds

The framework does more than permit standalone domestic crypto ETFs. Thailand's SEC also amended its rules so mutual funds and private funds can invest in Thai-domiciled crypto ETFs. Previously, those funds were permitted to invest only in foreign crypto ETFs, subject to applicable investment limits.

That creates a second potential demand channel. A domestic Bitcoin or Ethereum ETF would not be limited to individual investors buying the product directly; it could also become an investment vehicle used inside other regulated fund portfolios, within existing limits.

At the same time, Thailand is protecting the development of its domestic ETF ecosystem. During the initial phase, the SEC will not allow the issuance, establishment or offering of alternative products linked to foreign crypto ETFs, such as depositary receipts referencing those products. Securities companies also will not be allowed to facilitate foreign crypto ETF investment for clients who are neither institutional investors nor ultra-high-net-worth investors under the relevant framework.

The combination is notable: Thailand is expanding local access while constraining some alternative routes to overseas crypto ETFs.

Does a Thailand Crypto ETF Mean Investors Own Bitcoin or ETH Directly?

No. An ETF investor owns shares or units in the regulated fund rather than receiving direct possession of the underlying cryptocurrency.

That distinction affects custody and operational responsibility. The fund structure places responsibility for holding the digital assets with approved custodial infrastructure, while investors trade ETF units through the securities market.

Direct crypto ownership offers different properties, including self-custody and direct onchain transfer. An ETF instead emphasizes conventional brokerage access, regulated fund administration and the ability to hold crypto exposure within a securities investment framework.

Neither structure is automatically superior; they solve different access and custody requirements.

Why the 80% Exposure Rule Matters

The requirement that a crypto ETF maintain average net exposure to a single cryptocurrency of at least 80% of NAV over each accounting year keeps the product closely connected to the price of the asset it claims to track.

Without a sufficiently high exposure requirement, a product marketed as a Bitcoin or Ethereum ETF could hold a much larger allocation to cash, derivatives or unrelated assets and produce returns that diverge materially from the underlying cryptocurrency.

The 80% threshold does not eliminate tracking error. Fund fees, cash management, portfolio construction, trading costs and other operational factors can still create differences between ETF performance and the market price of BTC or ETH.

It does, however, impose a clear structural boundary: the ETF must remain predominantly exposed to its designated cryptocurrency rather than functioning as a broader discretionary crypto fund.

Risks and Limitations

• The rules being effective does not mean an ETF has launched. Individual products still need the required establishment, operational and listing steps before trading begins.
• BTC and ETH eligibility is an initial-stage rule. The SEC may revise the list of permitted crypto assets in the future.
• An ETF does not provide direct crypto ownership. Investors hold fund units while the fund and its service providers handle the underlying assets.
• The 80% exposure requirement does not eliminate tracking error. Fees, cash holdings and portfolio operations can still affect performance.
• Regulated custody does not eliminate digital-asset risk. Market volatility, operational failures and cybersecurity risks remain relevant.
• Product approval does not guarantee investor demand. Assets under management and trading liquidity will only become clear after individual ETFs launch.

Thailand's Real Test Begins When the First ETF Trades

The new Thailand crypto ETF framework is an important regulatory milestone because it turns a previously discussed product category into a formal domestic fund structure. From October 16, asset managers have a defined framework for developing passive crypto ETFs, with Bitcoin and Ethereum serving as the first eligible assets.

The rules are intentionally controlled. Funds must maintain substantial exposure to one crypto asset, trade on the Stock Exchange of Thailand, use regulated custody and operate under additional investor-protection requirements. Thailand is therefore not opening its securities market to every cryptocurrency at once. It is building a narrow entry point around the two assets it currently considers most suitable for the structure.

The most important distinction is between regulatory readiness and market adoption. The effective date does not provide evidence of ETF inflows because individual products still need to reach the market. Once that happens, assets under management, net subscriptions and redemptions, turnover, bid-ask spreads and tracking differences will reveal whether investors actually want domestic crypto exposure through this format.

Those metrics will also help determine whether the framework eventually expands beyond Bitcoin and Ethereum. For now, Thailand has answered the regulatory question of how a domestic crypto ETF can operate. The next question is whether asset managers and investors will use the channel at meaningful scale.

Sources

MEXC internal link used:
https://www.mexc.com/learn/article/mexc-on-chain-daily-report-thailand-to-allow-bitcoin-and-ethereum-etf-trading

The Securities and Exchange Commission, Thailand — SEC issues regulations for crypto ETFs in Thailand:
https://www.sec.or.th/EN/Pages/News_Detail.aspx?Lang=EN&NewsNo=216&NewsYear=2026&SECID=13411

The Securities and Exchange Commission, Thailand — Draft regulations for crypto ETFs in Thailand:
https://www.sec.or.th/EN/Pages/News_Detail.aspx?Lang=EN&NewsNo=171&NewsYear=2026

Risk Disclaimer: This article is for reference only and does not constitute investment advice. The cryptocurrency market is highly volatile. Please make decisions cautiously based on your individual circumstances.