Capital Markets & SecuritiesSilver report

Published April 2026Insight Research25 min read2026 Edition22 sources, 22 primary-gradeVery high source depth

Thailand Capital Markets & Securities Market Intelligence

SET market cap ~THB 18T anchors Thai capital markets. Bank-subsidiary brokers (Bualuang / Kasikorn / KKPS / SCB Securities) lead the dealer tier; standalone listed brokers (ASP / FSS / Trinity / CGS), MFC Asset Mgmt fill niches. TFEX derivatives, Thai bond market (~THB 16T ThaiBMA) complete the venue stack.

Key takeaways

1
The Stock Exchange of Thailand (SET) hosts approximately T in total equity market capitalisation at FY2024 across ~800 listed companies. Daily turnover averages . TFEX derivatives market, ThaiBMA bond market (~T outstanding) complete the venue stack.
2
Dealer concentration is bank-subsidiary-heavy: Bualuang Securities (BBL ~), Kasikorn Securities (KBANK ~), Kiatnakin Phatra (KKP ~), SCB Securities (SCB X ~) collectively hold ~ of broker market share. Standalone listed brokers (ASP, FSS, Trinity, CGS), foreign-parent KGI fill the remaining mid-tier.
3
Retail investors are the largest single-participant cohort at ~ of daily SET turnover. Foreign investors run ~; local institutions ~; proprietary desks ~. Retail share has structurally risen since 2020 via online, mobile broker platforms (Settrade, Streaming, Bualuang iTrading, KSecurities K-Cyber).
4
Government Pension Fund (GPF, ~T AUM), Social Security Office Fund (SSO, ~T), the broader provident-fund industry (~T) are Thailand's anchor institutional investors. Together with the mutual-fund industry (AIMC, ~T AUM) they define domestic-institutional flow.
5
Our read: Thai capital markets are a retail-driven equity platform with bank-dominant intermediation, pension, SSO, provident-fund institutional backbone. Foreign-flow cycle, SEC digital-asset regulation, BOT rate transmission are the binding variables. Standalone brokers, MFC Asset Mgmt are niche plays vs bank-subsidiary scale.

SET market statisticsTFEX, ThaiBMASEC Thailand, AIMCASP, FSS, TNITY, MFC, CGS, KGI FY2024 56-1 filingsGPF, SSO annual reports

Data as of: April 2026 edition · FY2024 full-year anchor · 2026-Q1 SET, ThaiBMA tracking pending · FY2025 primary-source ingest queued

Executive summary

What this report covers, and the thesis in one paragraph

Thailand's capital-markets stack is anchored on the Stock Exchange of Thailand (SET), an ASEAN-mid-tier equity venue with approximately T in market cap across ~800 listed companies at FY2024. Daily equity turnover averages . TFEX, SET's wholly-owned derivatives exchange, lists SET50 Index Futures, Options, single-stock futures, sector indices, gold, oil futures. The Thai bond market, self-regulated via ThaiBMA, carries approximately T outstanding across government, corporate issuers; secondary bond trading happens predominantly over-the-counter with ThaiBMA serving as data aggregator, yield-curve reference. SEC Thailand (Securities and Exchange Commission) regulates the entire capital-markets perimeter under the Securities and Exchange Act B.E. 2535, subsequent amendments; licensing, issuance approval, insider-trading enforcement, intermediary conduct supervision all sit here.^{[, , , ]}

Dealer, intermediary concentration is dominated by bank-subsidiary brokers. Bualuang Securities (BBL), Kasikorn Securities (KBANK), Kiatnakin Phatra Securities (KKP), SCB Securities / InnovestX (SCB X), and Krungsri Securities (BAY) together capture roughly of SET dealer-volume share, leveraging bank-distribution networks for retail, HNW client acquisition. Standalone listed brokers fill the mid-tier: Asia Plus Group (SET: ASP, revenue ~, integrated broker, asset-manager holdco), Finansia Syrus Securities (SET: FSS, ~, retail, online specialist), Trinity Watthana (SET: TNITY, ~), Country Group Securities (SET: CGS, ~). Foreign-parent KGI Securities (SET: KGI, ~, Taiwan China Development Financial) runs institutional, derivatives depth. MFC Asset Management (SET: MFC, ~ AUM) is the standalone listed asset-management incumbent (founded 1975).^{[, , , , , ]}

Our thesis: Thai capital markets are a retail-driven equity platform with bank-dominant intermediation, pension, SSO, provident-fund institutional backbone. The structural trend is retail-investor deepening via mobile, online broker platforms (Settrade, Bualuang iTrading, KSecurities K-Cyber, FSS Streaming), rising TFEX derivatives, DR, NVDR participation. Foreign-flow cycle is the single largest variable driving SET Index valuations — when foreign investors buy, SET rerates; when they sell, the bank-subsidiary brokers' commission base compresses. SEC digital-asset regulation, tokenised-securities framework, sustainability-linked bond issuance are the forward-looking growth optionalities; pension-fund reform (NPF / consolidated pension system) is the major regulatory overhang.^{[, , , ]}

SET market, investor-type statisticsSEC ThailandTFEX, ThaiBMAlisted-broker FY2024 56-1 filingsGPF, SSO, AIMC

Data as of: April 2026 edition · FY2024 full-year anchor

Market size at a glance

SET equity market capitalisation, 2020–2024 (THB T, FY2024 anchor)

2020

Market cap (THB T)

~ $440.6B

YoY

base

Driver

COVID selloff, recovery; foreign outflow, domestic retail entry cycle begins.

2021

Market cap (THB T)

~ $573.9B

YoY

+30%

Driver

Reopening, reflation, SET Index rally; retail participation doubles online-account base.

2022

Market cap (THB T)

~ $501.4B

YoY

−13%

Driver

Global rate-hike cycle; foreign outflow; tech, growth de-rating; bond yields spike.

2023

Market cap (THB T)

~ $510.1B

YoY

+2%

Driver

Stabilisation; IPO pipeline thin; institutional rotation toward cash, short-duration bonds.

2024

Market cap (THB T)

~ $521.7B

YoY

+2%

Driver

BOT rate cut to 2.00% supports valuations; foreign outflow continues; retail turnover resilient.

Year	Market cap (THB T)	YoY	Driver
2020	~ $440.6B	base	COVID selloff, recovery; foreign outflow, domestic retail entry cycle begins.
2021	~ $573.9B	+30%	Reopening, reflation, SET Index rally; retail participation doubles online-account base.
2022	~ $501.4B	−13%	Global rate-hike cycle; foreign outflow; tech, growth de-rating; bond yields spike.
2023	~ $510.1B	+2%	Stabilisation; IPO pipeline thin; institutional rotation toward cash, short-duration bonds.
2024	~ $521.7B	+2%	BOT rate cut to 2.00% supports valuations; foreign outflow continues; retail turnover resilient.

SET monthly market-cap releaseSET Index history

Data as of: April 2026 · FY2024 full-year anchor, 2026-Q1 daily-data tracking (preliminary)

Market cap is SET's month-end aggregate across all listed companies. Excludes MAI (Market for Alternative Investment) which adds ~THB 0.4T. Foreign-flow cycle is the largest single valuation driver.

Daily SET turnover by investor type

Thailand equity-market participant mix (FY2024 share, directional)

Local retail

~42%

Driver

Online, mobile broker platforms; Settrade / Bualuang iTrading / K-Cyber / Streaming. Structurally rising since 2020.

Foreign investors

~33%

Driver

NVDR, DR, direct-qualified structures. Flow cycle drives SET Index valuations.

Local institutions

~16%

Driver

Mutual funds, GPF, SSO, insurers. Defensive baseline participation.

Proprietary trading

~9%

Driver

Broker prop desks, market-makers.

Participant	Share	Driver
Local retail	~42%	Online, mobile broker platforms; Settrade / Bualuang iTrading / K-Cyber / Streaming. Structurally rising since 2020.
Foreign investors	~33%	NVDR, DR, direct-qualified structures. Flow cycle drives SET Index valuations.
Local institutions	~16%	Mutual funds, GPF, SSO, insurers. Defensive baseline participation.
Proprietary trading	~9%	Broker prop desks, market-makers.

SET — daily trading by investor typeTSD account statistics

Data as of: April 2026 · FY2024 daily-average reconciliation

Shares computed from SET daily investor-type disclosure, averaged FY2024. Foreign-investor share peaked ~45% in 2013-2015; retail share has risen from ~30% to ~42% since 2020 via online-platform adoption.

Analyst framing

Why this profile is worth unlocking

Thailand capital markets is a retail-driven equity platform anchored by SET ($521.7B cap), TFEX, ThaiBMA. Bank-subsidiary brokers dominate intermediation; standalone listed brokers, MFC fill niches. GPF, SSO institutional backbone. Foreign-flow cycle, SEC digital-asset regulation, BOT rate transmission are the binding variables.

Operator playbooks

Standalone listed brokers, MFC asset manager, bank-subsidiary context

Asia Plus Group (SET: ASP) is the listed standalone securities, asset-management holdco. FY2024 revenue ~THB 1.8B. Subsidiaries: Asia Plus Securities (broker arm, retail, HNW, institutional), Asset Plus Asset Management (mutual, private fund business). Positioning: differentiated from pure brokers by asset-management cross-sell; smaller scale than bank-subsidiary brokers but with defensible retail, HNW client base, long operating history (founded 1974).

Finansia Syrus Securities (SET: FSS, revenue ~THB 1.2B) is the listed retail-broker specialist. Franchise depth: Streaming online-trading platform (one of the first Thai mobile-trading apps), strong retail-investor education programming, TFEX derivative-trading specialist among mid-tier brokers. Trinity Watthana (SET: TNITY, ~THB 0.9B) operates Trinity Securities, Trinity Asset Management; mid-tier retail, HNW broker. Country Group Securities (SET: CGS, ~THB 0.8B) runs retail, HNW, derivatives-focused franchise with selective proprietary-trading depth.

KGI Securities (Thailand) (SET: KGI) is the Taiwan-parent institutional, derivatives specialist. China Development Financial (CDF) parent provides regional research, institutional-client network. FY2024 revenue ~THB 2B. MFC Asset Management (SET: MFC, FY2024 AUM ~THB 400B) is Thailand's oldest asset-management company (founded 1975); listed standalone manager covering mutual funds, private funds, provident funds, government-mandate portfolios. Competitive set for MFC: bank-subsidiary asset managers (KAsset / KBANK, SCB Asset / SCB X, BBL Asset / BBL, Krungsri Asset / BAY) collectively hold ~60% of mutual-fund industry AUM; MFC, standalone peers (One Asset, UOBAM, Eastspring) split the rest.

Bank-subsidiary dealer context: Bualuang Securities (BBL), Kasikornbank Securities (KBANK, via KASIKORNSECURITIES), Kiatnakin Phatra Securities (KKP-owned), SCB Securities / InnovestX (SCB X), and Krungsri Securities (BAY) together capture roughly 45-50% of SET dealer-volume share. Their competitive advantage is bank-distribution network access for retail, HNW onboarding, wealth-management cross-sell. Individual broker profiles sit within the parent banking report; see Thailand Banking Market Intelligence for the parent-bank strategic context.

SET and the Thai capital-markets venue stack

Stock Exchange of Thailand as market-operator holdco with TFEX, TSD, MAI subsidiaries

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Key figures

Selected anchors from the report evidence pack.

End-2023 / FY2024

~THB 17–18T

Stock Exchange of Thailand — total market capitalisation

Stock Exchange of Thailand, SEC Thailand annual report

FY2023

~30–35% of total turnover

Top-3 Thai securities brokers — combined market-share of equity turnover

Association of Securities Companies, SET monthly turnover statistics

FY2023

~THB 30–60B/yr (varies by cycle)

SET and mai IPO fundraising — annual total

SEC Thailand IPO approval registry, SET Listed Company statistics

FY2024

~25–35% of tradeable float

Foreign investor ownership of SET free float

SET investor-type statistics, Bank of Thailand capital-flow data

FY2024

~200+ companies

mai (Market for Alternative Investment) — total listed companies

SET Listed Company database, SEC Thailand annual report

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