Market for Alternative Investment
The Market for Alternative Investment, or mai, is the Stock Exchange of Thailand's market board for smaller, growth-oriented, and mid-sized companies. It gives firms that may be below main-board scale a public-market route for capital raising, visibility, liquidity, and governance development. The mai is relevant to Thai equity-market structure because it broadens the listed-company pipeline and gives investors exposure to earlier-stage domestic sectors. It is a platform operated within the SET ecosystem, not a separate investable company profile.
Profile overview
The Market for Alternative Investment, or mai, is the Stock Exchange of Thailand's market board for smaller, growth-oriented, and mid-sized companies. It gives firms that may be below main-board scale a public-market route for capital raising, visibility, liquidity, and governance development. The mai is relevant to Thai equity-market structure because it broadens the listed-company pipeline and gives investors exposure to earlier-stage domestic sectors. It is a platform operated within the SET ecosystem, not a separate investable company profile.
Platform features and market role
Listing pathway
Growth-company IPO route
The mai provides a public-market listing route for companies too small for the SET main board. Minimum paid-up capital requirement is typically $1.45M (versus $8.7M for the SET), enabling earlier-stage companies to access public capital.
Sector breadth
Diversified sector representation
mai-listed companies span property, healthcare, food, media, energy, and services. Around 200 listed companies as of 2024, giving investors access to mid-sized domestic sectors not represented in the SET50/SET100 index concentration.
Governance development
Regulatory reporting and CG development
Listing on the mai requires meeting SEC governance, disclosure, and audit standards. The process helps smaller companies professionalise management, financial reporting, and board structure ahead of potential graduation to the SET main board.
NVDR access
Foreign investor access via NVDR
Foreign investors can access mai-listed companies via the NVDR mechanism, mirroring the SET main board. However, liquidity and foreign investor participation are typically lower than in large-cap SET stocks.
SET ecosystem — market boards comparison
SET (main board)
Listed companies (approx.)
~800
Min. paid-up capital
$8.7M
Target issuer
Established companies; broad market
Benchmark index
SET, SET50, SET100
mai (growth board)
Listed companies (approx.)
~200
Min. paid-up capital
$1.45M
Target issuer
Growth companies; SME and mid-market
Benchmark index
mai Index
LiVE Exchange
Listed companies (approx.)
Pilot stage
Min. paid-up capital
Lower threshold
Target issuer
Startup and early-stage companies
Benchmark index
N/A
| Board | Listed companies (approx.) | Min. paid-up capital | Target issuer | Benchmark index |
|---|---|---|---|---|
| SET (main board) | ~800 | $8.7M | Established companies; broad market | SET, SET50, SET100 |
| mai (growth board) | ~200 | $1.45M | Growth companies; SME and mid-market | mai Index |
| LiVE Exchange | Pilot stage | Lower threshold | Startup and early-stage companies | N/A |
Watchpoints 2025-2026
Liquidity
Small-cap trading volume constraints
mai companies typically have low daily trading volumes, which limits institutional participation. Foreign investors evaluating small Thai equity exposures may find mai-listed companies illiquid relative to SET50 names.
Governance quality
CG and disclosure standards enforcement
SEC enforcement of disclosure and governance standards has tightened. mai companies that breach CG standards face suspension or delisting risk. Board independence and related-party-transaction disclosure are recurring audit concerns.
Graduate pathway
mai-to-SET upgrade pipeline
The mai's strategic value depends on how many companies successfully grow to SET main-board scale. A thin graduation pipeline reduces the board's value as a capital-formation mechanism for the Thai economy.
Source-pack context
Market for Alternative Investment is linked to existing Insight report coverage through tracked source packs. The cited sources provide the current evidence trail for market context, regulatory exposure, operator positioning, or sector structure; exact numeric claims should still be checked against raw snapshots before being surfaced as headline metrics.[, , ]
Deep operating read
The mai is the SET ecosystem's growth board for smaller and mid-sized companies, not a separate investable company. In the Thai equity-market structure report, it matters because it expands public-market access beyond the main board and creates a pathway for earlier-stage domestic firms to raise capital, build visibility, and improve governance. The source pack frames Thailand's equity market through SET scale, SEC regulation, NVDR mechanics, and ownership concentration. The mai's strategic role is pipeline formation in a market otherwise dominated by larger family conglomerates and SET50/SET100 concentration.[, , ]
Execution watchpoints
The watchpoints are liquidity depth, governance quality, and whether mai listings graduate into durable SET-scale companies. NVDR mechanics matter because foreign participation in Thai equities is shaped by foreign ownership limits and the SET's NVDR structure, but small-cap liquidity can still limit investability. OECD capital-market review evidence should be used for market-structure claims, while live SET ranking screens support concentration analysis. Do not treat the mai as a corporate operator; treat it as market infrastructure within the SET platform.[, , , ]
Related Market profiles
Peers, parents, partners, agencies, and other SET, Stock Exchange, and Thai Equity Market Structure actors.