Largest Companies on Thailand Exchange by Market Cap

Largest companies on Thailand Exchange by market cap. Thailand Exchange (BK) lists 643 publicly traded companies with a combined market cap of $580.76 Billion. Based in Thailand, this ranking covers all BK-listed stocks ordered by market capitalization — from the largest blue-chip companies to smaller listed firms. Updated daily with live market data.

Total Market Cap (USD)

$580.76 Billion

Listed Companies

643

Exchange Location

Thailand

Top Thailand Exchange Stocks by Market Capitalization (November 2026)

Top Thailand Exchange stocks by market capitalization as of November 2026, covering 643 listed companies.

Rank Company Market Cap (USD) Market Cap (Local) Price 24h Change 7d Change Country 52-Week Range 24h Volume
1 Delta Electronics (Thailand) Public Company Limited
BK:DELTA 		$68.82 Billion ฿2.21 Trillion ฿177.00 -5.35% -19.91% Thailand Low: ฿159.50 / High: ฿364.00 611.29 Million
2 PTT Public Company Limited
BK:PTT 		$33.77 Billion ฿1.08 Trillion ฿38.25 -1.92% -9.47% Thailand Low: ฿30.25 / High: ฿43.25 2.01 Billion
3 Advanced Info Service Public Company Limited
BK:ADVANC 		$31.33 Billion ฿1.01 Trillion ฿338.00 -1.17% +1.20% Thailand Low: ฿304.00 / High: ฿404.00 143.19 Million
4 Gulf Energy Development Public Company Limited
BK:GULF 		$28.52 Billion ฿915.07 Billion ฿61.25 -2.00% +0.00% Thailand Low: ฿39.75 / High: ฿67.75 816.36 Million
5 Airports Of Thailand PCL
BK:AOT 		$26.61 Billion ฿853.57 Billion ฿59.75 -2.45% -0.42% Thailand Low: ฿40.00 / High: ฿67.00 710.39 Million
6 Krung Thai Bank Public Company Limited
BK:KTB 		$18.30 Billion ฿586.99 Billion ฿42.00 -2.89% -4.55% Thailand Low: ฿27.00 / High: ฿45.50 1.34 Billion
7 Kasikornbank Public Company Limited
BK:KBANK 		$17.80 Billion ฿571.01 Billion ฿241.00 -2.43% -3.60% Thailand Low: ฿181.00 / High: ฿258.00 337.35 Million
8 PTT Exploration and Production Public Company Limited
BK:PTTEP 		$17.63 Billion ฿565.72 Billion ฿142.50 +0.35% -12.84% Thailand Low: ฿105.00 / High: ฿166.50 443.44 Million
9 SCB X Public Company Limited
BK:SCB 		$15.64 Billion ฿501.70 Billion ฿149.00 -1.97% -2.93% Thailand Low: ฿127.00 / High: ฿158.50 288.88 Million
10 True Corporation Public Company Limited
BK:TRUE 		$13.89 Billion ฿445.72 Billion ฿12.90 -3.01% +0.78% Thailand Low: ฿10.60 / High: ฿14.80 3.45 Billion
11 CP ALL Public Company Limited
BK:CPALL-R 		$13.41 Billion ฿430.35 Billion ฿48.25 +0.00% +0.00% Thailand Low: ฿48.25 / High: ฿48.25 0.00
12 The Siam Commercial Bank Public Company Limited
BK:SCB-R 		$13.22 Billion ฿424.26 Billion ฿126.00 +0.00% +0.00% Thailand Low: ฿126.00 / High: ฿126.00 10.15 Million
13 CP ALL Public Company Limited
BK:CPALL 		$12.64 Billion ฿405.66 Billion ฿45.50 -1.62% +2.82% Thailand Low: ฿41.00 / High: ฿54.50 981.16 Million
14 Bangkok Bank PCL
BK:BBL 		$10.74 Billion ฿344.55 Billion ฿180.50 -2.17% -3.73% Thailand Low: ฿155.00 / High: ฿203.00 179.97 Million
15 Bangkok Dusit Medical Services Public Company Limited
BK:BDMS 		$9.86 Billion ฿316.25 Billion ฿19.90 -1.00% +1.53% Thailand Low: ฿17.60 / High: ฿22.30 1.67 Billion
16 Central Pattana Public Company Limited
BK:CPN-R 		$9.09 Billion ฿291.72 Billion ฿65.00 -1.89% +0.78% Thailand Low: ฿61.25 / High: ฿69.25 184.06 Million
16 Central Pattana Public Company Limited
BK:CPN 		$9.09 Billion ฿291.72 Billion ฿65.00 -1.89% +0.78% Thailand Low: ฿50.25 / High: ฿70.00 181.69 Million
17 The Siam Cement Public Company Limited
BK:SCC 		$8.79 Billion ฿282.00 Billion ฿235.00 -3.29% -10.31% Thailand Low: ฿166.50 / High: ฿278.00 163.26 Million
18 Bank of Ayudhya PCL
BK:BAY 		$8.77 Billion ฿281.36 Billion ฿38.25 -0.65% -3.77% Thailand Low: ฿24.00 / High: ฿46.75 37.25 Million
19 PTT Global Chemical Public Company Limited
BK:PTTGC 		$5.62 Billion ฿180.35 Billion ฿40.00 -2.44% -13.98% Thailand Low: ฿19.10 / High: ฿54.25 880.47 Million
20 Bumrungrad Hospital PCL
BK:BH 		$4.82 Billion ฿154.62 Billion ฿194.50 -3.71% -1.02% Thailand Low: ฿136.50 / High: ฿213.00 74.73 Million
21 Charoen Pokphand Foods Public Company Limited
BK:CPF 		$4.82 Billion ฿154.55 Billion ฿20.10 -1.47% +2.03% Thailand Low: ฿18.60 / High: ฿24.00 581.68 Million
22 Global Power Synergy PCL
BK:GPSC 		$4.64 Billion ฿148.74 Billion ฿52.75 -0.47% +6.03% Thailand Low: ฿30.00 / High: ฿54.50 256.14 Million
23 Bumrungrad Hospital Public Company Limited
BK:BH-R 		$4.61 Billion ฿147.86 Billion ฿186.00 +0.00% +0.00% Thailand Low: ฿186.00 / High: ฿186.00 3.05 Million
24 Thai Airways International Public Company Limited
BK:THAI 		$4.54 Billion ฿145.76 Billion ฿5.15 -2.83% +0.00% Thailand Low: ฿5.10 / High: ฿9.45 1.58 Billion
25 Indorama Ventures PCL
BK:IVL 		$3.96 Billion ฿126.89 Billion ฿22.60 -3.00% -11.37% Thailand Low: ฿14.80 / High: ฿30.00 483.58 Million
26 Thai Oil Public Company Limited
BK:TOP 		$3.88 Billion ฿124.54 Billion ฿55.75 -0.45% -9.72% Thailand Low: ฿33.75 / High: ฿77.75 665.35 Million
27 Minor International Public Company Limited
BK:MINT 		$3.76 Billion ฿120.77 Billion ฿21.30 -0.93% +3.90% Thailand Low: ฿19.80 / High: ฿26.75 750.30 Million
28 TISCO Financial Group Public Company Limited
BK:TISCO 		$3.08 Billion ฿98.88 Billion ฿123.50 -1.59% -1.20% Thailand Low: ฿106.00 / High: ฿133.00 62.40 Million
29 Bangkok Expressway and Metro Public Company Limited
BK:BEM 		$2.87 Billion ฿92.11 Billion ฿6.15 -1.60% -1.60% Thailand Low: ฿5.10 / High: ฿7.35 861.61 Million
30 Kiatnakin Phatra Bank Public Company Limited
BK:KKP 		$2.86 Billion ฿91.89 Billion ฿112.50 -1.32% -5.46% Thailand Low: ฿63.50 / High: ฿121.00 159.30 Million
31 Krungthai Card Public Company Limited
BK:KTC-R 		$2.81 Billion ฿90.24 Billion ฿35.00 -2.78% -0.71% Thailand Low: ฿26.81 / High: ฿40.50 219.62 Million
31 Krungthai Card PCL
BK:KTC 		$2.81 Billion ฿90.24 Billion ฿35.00 -2.78% -0.71% Thailand Low: ฿24.80 / High: ฿40.50 210.81 Million
32 Home Product Center Public Company Limited
BK:HMPRO 		$2.51 Billion ฿80.42 Billion ฿6.20 -1.59% -3.13% Thailand Low: ฿5.80 / High: ฿7.50 891.18 Million
33 Berli Jucker PCL
BK:BJC 		$2.50 Billion ฿80.16 Billion ฿20.00 -0.99% +0.00% Thailand Low: ฿13.30 / High: ฿20.20 269.16 Million
34 Thanachart Capital Public Company Limited
BK:TCAP 		$2.48 Billion ฿79.69 Billion ฿76.00 -1.62% -4.70% Thailand Low: ฿50.50 / High: ฿89.25 66.31 Million
35 Ratch Group Public Company Limited
BK:RATCH 		$2.46 Billion ฿78.84 Billion ฿36.25 -2.03% -5.23% Thailand Low: ฿27.75 / High: ฿39.50 135.49 Million
36 Cal-Comp Electronics (Thailand) Public Company Limited
BK:CCET 		$2.43 Billion ฿77.85 Billion ฿7.45 -3.87% -13.87% Thailand Low: ฿4.42 / High: ฿10.40 2.26 Billion
37 Com7 PCL
BK:COM7 		$2.35 Billion ฿75.45 Billion ฿32.00 -2.29% -1.54% Thailand Low: ฿18.40 / High: ฿33.50 258.91 Million
38 WHA Corporation Public Company Limited
BK:WHA 		$2.27 Billion ฿72.94 Billion ฿4.88 -2.01% -2.01% Thailand Low: ฿3.12 / High: ฿5.45 2.83 Billion
38 WHA Corporation Public Company Limited
BK:WHA-R 		$2.27 Billion ฿72.94 Billion ฿4.88 -2.01% -2.01% Thailand Low: ฿4.04 / High: ฿5.45 2.60 Billion
39 Electricity Generating Public Company Limited
BK:EGCO 		$2.17 Billion ฿69.76 Billion ฿132.50 -2.21% +1.15% Thailand Low: ฿107.50 / High: ฿135.50 28.18 Million
40 KCE Electronics Public Company Limited
BK:KCE 		$2.15 Billion ฿68.86 Billion ฿58.25 -12.08% -16.19% Thailand Low: ฿16.50 / High: ฿79.75 690.06 Million
41 Bangchak Corporation Public Company Limited
BK:BCP 		$1.97 Billion ฿63.27 Billion ฿43.25 -0.57% -7.49% Thailand Low: ฿25.00 / High: ฿60.75 465.38 Million
42 Thai President Foods Public Company Limited
BK:TFMAMA 		$1.85 Billion ฿59.51 Billion ฿180.50 -0.28% -1.37% Thailand Low: ฿180.00 / High: ฿195.00 128.41K
43 Com7 Public Company Limited
BK:COM7-R 		$1.85 Billion ฿59.46 Billion ฿25.25 +0.00% +0.00% Thailand Low: ฿25.25 / High: ฿25.25 11.11 Million
44 Carabao Group Public Company Limited
BK:CBG-R 		$1.85 Billion ฿59.25 Billion ฿59.25 +0.00% +0.00% Thailand Low: ฿59.25 / High: ฿59.25 8.21 Million
45 Central Plaza Hotel Public Company Limited
BK:CENTEL 		$1.83 Billion ฿58.73 Billion ฿43.50 -3.87% -2.25% Thailand Low: ฿29.75 / High: ฿47.50 74.00 Million
46 B.Grimm Power Public Company Limited
BK:BGRIM 		$1.82 Billion ฿58.39 Billion ฿22.40 -0.88% +17.28% Thailand Low: ฿10.30 / High: ฿22.60 750.90 Million
47 Star Petroleum Refining Co Ltd
BK:SPRC 		$1.80 Billion ฿57.67 Billion ฿13.30 +0.76% -2.21% Thailand Low: ฿5.05 / High: ฿16.20 1.08 Billion
48 Thaifoods Group Public Company Limited
BK:TFG 		$1.77 Billion ฿56.70 Billion ฿9.55 -2.05% +0.53% Thailand Low: ฿4.40 / High: ฿11.30 329.78 Million
48 Thaifoods Group Public Company Limited
BK:TFG-R 		$1.77 Billion ฿56.70 Billion ฿9.55 -2.05% +0.53% Thailand Low: ฿5.10 / High: ฿11.00 326.69 Million
49 Carabao Group Public Company Limited
BK:CBG 		$1.71 Billion ฿54.75 Billion ฿54.75 -0.90% +6.31% Thailand Low: ฿34.25 / High: ฿58.75 101.03 Million
50 Thanachart Capital Public Company Limited
BK:TCAP-R 		$1.68 Billion ฿53.74 Billion ฿51.25 +0.00% +0.00% Thailand Low: ฿51.25 / High: ฿51.25 2.16 Million
51 Thai Union Group Public Company Limited
BK:TU-R 		$1.56 Billion ฿50.12 Billion ฿13.00 -1.52% +0.00% Thailand Low: ฿12.40 / High: ฿13.53 358.50 Million
51 Thai Union Group PCL
BK:TU 		$1.56 Billion ฿50.12 Billion ฿13.00 -1.52% +0.00% Thailand Low: ฿10.60 / High: ฿14.00 382.39 Million
52 Kiatnakin Phatra Bank Public Company Limited
BK:KKP-R 		$1.54 Billion ฿49.50 Billion ฿60.25 +0.00% +0.00% Thailand Low: ฿60.25 / High: ฿60.25 5.76 Million
53 IRPC Public Company Limited
BK:IRPC 		$1.54 Billion ฿49.39 Billion ฿2.42 -3.97% -9.02% Thailand Low: ฿0.96 / High: ฿3.20 2.70 Billion
54 Saha Pathana Inter-Holding PCL
BK:SPI 		$1.40 Billion ฿45.04 Billion ฿35.00 +1.45% +0.72% Thailand Low: ฿32.00 / High: ฿48.50 2.68 Million
55 Central Plaza Hotel Public Company Limited
BK:CENTEL-R 		$1.40 Billion ฿44.89 Billion ฿33.25 +0.00% +0.00% Thailand Low: ฿33.25 / High: ฿33.25 5.10 Million
56 Siam City Cement Public Company Limited
BK:SCCC 		$1.40 Billion ฿44.85 Billion ฿150.50 -0.66% -0.33% Thailand Low: ฿138.00 / High: ฿155.50 981.45K
57 VGI Public Company Limited
BK:VGI-R 		$1.34 Billion ฿43.05 Billion ฿2.04 +0.00% +0.00% Thailand Low: ฿2.04 / High: ฿2.04 11.03 Million
58 Banpu Public Company Limited
BK:BANPU 		$1.31 Billion ฿42.06 Billion ฿13.80 -0.72% -3.50% Thailand Low: ฿4.28 / High: ฿15.30 324.18 Million
59 Land and Houses Public Company Limited
BK:LH 		$1.30 Billion ฿41.82 Billion ฿3.50 -1.13% -1.69% Thailand Low: ฿3.44 / High: ฿4.48 626.40 Million
60 Gunkul Engineering Public Company Limited
BK:GUNKUL 		$1.28 Billion ฿41.12 Billion ฿4.78 -3.24% -1.65% Thailand Low: ฿1.77 / High: ฿5.45 1.64 Billion
61 TTW Public Company Limited
BK:TTW 		$1.24 Billion ฿39.90 Billion ฿10.00 +0.00% -0.99% Thailand Low: ฿8.95 / High: ฿10.60 63.52 Million
62 Bangkok Airways Public Company Limited
BK:BA 		$1.22 Billion ฿39.23 Billion ฿18.70 -1.58% +3.31% Thailand Low: ฿12.80 / High: ฿19.80 163.80 Million
63 Bangkok Life Assurance Public Company Limited
BK:BLA 		$1.21 Billion ฿38.93 Billion ฿22.80 -0.87% +0.44% Thailand Low: ฿17.70 / High: ฿27.50 33.69 Million
64 Siam Global House Public Company Limited
BK:GLOBAL 		$1.21 Billion ฿38.89 Billion ฿7.20 -1.37% +0.00% Thailand Low: ฿5.40 / High: ฿8.30 407.92 Million
65 Srisawad Power 1979 PCL
BK:SAWAD 		$1.19 Billion ฿38.21 Billion ฿23.00 -1.71% +2.22% Thailand Low: ฿19.90 / High: ฿30.50 262.00 Million
66 Plan B Media PCL
BK:PLANB 		$1.19 Billion ฿38.18 Billion ฿8.30 -1.78% -0.60% Thailand Low: ฿3.10 / High: ฿9.05 913.59 Million
67 WHA Premium Growth Freehold And Leasehold Real Estate Investment Trust
BK:WHART 		$1.17 Billion ฿37.46 Billion ฿10.80 -0.92% -0.92% Thailand Low: ฿9.70 / High: ฿11.50 54.16 Million
68 TTW Public Company Limited
BK:TTW-R 		$1.15 Billion ฿36.91 Billion ฿9.25 +0.00% +0.00% Thailand Low: ฿9.25 / High: ฿9.25 5.38 Million
69 Banpu Power Public Company Limited
BK:BPP 		$1.14 Billion ฿36.57 Billion ฿12.00 +0.84% +4.35% Thailand Low: ฿10.40 / High: ฿13.00 7.27 Million
70 Regional Container Lines Public Company Limited
BK:RCL 		$1.10 Billion ฿35.22 Billion ฿42.50 -8.60% -15.42% Thailand Low: ฿25.50 / High: ฿50.25 109.61 Million
71 Hana Microelectronics Public Company Limited
BK:HANA 		$1.03 Billion ฿33.20 Billion ฿37.50 -9.09% -21.47% Thailand Low: ฿15.10 / High: ฿53.50 636.51 Million
72 Bangkok Chain Hospital Public Company Limited
BK:BCH-R 		$1.03 Billion ฿33.17 Billion ฿13.30 +0.00% +0.00% Thailand Low: ฿13.30 / High: ฿13.30 6.16 Million
73 Supalai Public Company Limited
BK:SPALI-R 		$1.02 Billion ฿32.86 Billion ฿17.40 +0.00% +0.00% Thailand Low: ฿17.40 / High: ฿17.40 10.42 Million
74 Mega Lifesciences Public Company Limited
BK:MEGA 		$957.93 Million ฿30.73 Billion ฿35.25 -0.70% +7.63% Thailand Low: ฿29.25 / High: ฿39.75 28.93 Million
75 Sri Trang Agro-Industry Public Company Limited
BK:STA 		$943.15 Million ฿30.26 Billion ฿19.70 +1.03% -12.05% Thailand Low: ฿11.20 / High: ฿23.70 303.95 Million
76 Amata Corporation Public Company Limited
BK:AMATA 		$940.92 Million ฿30.19 Billion ฿26.25 -2.78% +0.00% Thailand Low: ฿14.60 / High: ฿34.25 316.40 Million
77 CH. Karnchang PCL
BK:CK 		$927.04 Million ฿29.74 Billion ฿17.70 -0.56% +2.31% Thailand Low: ฿11.20 / High: ฿20.20 135.87 Million
78 Supalai Public Company Limited
BK:SPALI 		$924.74 Million ฿29.67 Billion ฿15.60 -0.64% -1.89% Thailand Low: ฿14.90 / High: ฿18.80 77.54 Million
79 TOA Paint (Thailand) Public Company Limited
BK:TOA 		$924.49 Million ฿29.66 Billion ฿15.30 -1.29% +4.08% Thailand Low: ฿11.70 / High: ฿16.60 43.96 Million
79 TOA PAINT (THAILAND)
BK:TOA-R 		$924.49 Million ฿29.66 Billion ฿15.30 +0.00% +0.00% Thailand Low: ฿15.30 / High: ฿15.30 2.87 Million
80 POSCO-Thainox Public Company Limited
BK:INOX 		$918.49 Million ฿29.47 Billion ฿3.78 +0.00% +0.00% Thailand Low: ฿0.35 / High: ฿4.48 461.08K
81 BTS Group Holdings Public Company Limited
BK:BTS 		$912.97 Million ฿29.29 Billion ฿1.82 -1.09% -3.70% Thailand Low: ฿1.82 / High: ฿2.76 795.41 Million
82 CH. Karnchang Public Company Limited
BK:CK-R 		$874.67 Million ฿28.06 Billion ฿16.70 +0.00% +0.00% Thailand Low: ฿16.70 / High: ฿16.70 5.05 Million
83 Mega Lifesciences Public Company Limited
BK:MEGA-R 		$869.61 Million ฿27.90 Billion ฿32.00 +0.00% +0.00% Thailand Low: ฿32.00 / High: ฿32.00 1.01 Million
84 MBK Public Company Limited
BK:MBK 		$858.17 Million ฿27.53 Billion ฿19.70 -1.50% -0.51% Thailand Low: ฿16.50 / High: ฿24.20 50.18 Million
85 Bangkok Chain Hospital Public Company Limited
BK:BCH 		$839.46 Million ฿26.93 Billion ฿10.80 -3.57% -0.92% Thailand Low: ฿9.15 / High: ฿11.70 263.65 Million
86 WHA Utilities and Power Public Company Limited
BK:WHAUP 		$822.63 Million ฿26.39 Billion ฿6.90 -4.17% +0.73% Thailand Low: ฿4.10 / High: ฿8.25 301.28 Million
87 BANPU POWER
BK:BPP-R 		$821.71 Million ฿26.36 Billion ฿8.65 +0.00% +0.00% Thailand Low: ฿8.65 / High: ฿8.65 2.56 Million
88 Tipco Asphalt Public Company Limited
BK:TASCO 		$821.58 Million ฿26.36 Billion ฿16.70 -2.34% -1.18% Thailand Low: ฿12.50 / High: ฿17.80 165.31 Million
89 IRPC Public Company Limited
BK:IRPC-R 		$814.31 Million ฿26.13 Billion ฿1.28 +0.00% +0.00% Thailand Low: ฿1.28 / High: ฿1.28 64.52 Million
90 Sansiri Public Company Limited
BK:SIRI-R 		$804.36 Million ฿25.81 Billion ฿1.48 +0.00% +0.00% Thailand Low: ฿1.48 / High: ฿1.48 114.69 Million
91 Thai Vegetable Oil Public Company Limited
BK:TVO 		$797.07 Million ฿25.57 Billion ฿28.75 +0.88% +2.68% Thailand Low: ฿21.00 / High: ฿29.50 32.50 Million
92 AP (Thailand) Public Company Limited
BK:AP 		$779.54 Million ฿25.01 Billion ฿7.95 -0.62% +1.92% Thailand Low: ฿6.95 / High: ฿9.55 148.66 Million
93 MBK Public Company Limited
BK:MBK-R 		$775.40 Million ฿24.88 Billion ฿17.80 +0.00% +0.00% Thailand Low: ฿17.80 / High: ฿17.80 685.50K
94 Siri Prime Office Property Fd
BK:SIRI 		$766.31 Million ฿24.59 Billion ฿1.41 -2.08% +0.00% Thailand Low: ฿1.30 / High: ฿1.58 937.33 Million

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