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Stock Exchange of Thailand: top gainers and losers today

On the 27 Oct 2026 close, 158 stocks rose, 256 fell and 145 were unchanged on the Stock Exchange of Thailand (28% advancing). The biggest gainer was Bangkok Genomics Innovation Pcl (BKGI) at +7.56%, the biggest loser was King Gen PCL (KGEN) at −12.99%, and the most traded stock by value was PTT Exploration and Production Public Company Limited (PTTEP). Prices are in THB. Stocks under 1 THB, very thin trading and moves above 60% (usually data glitches or corporate actions) are left out.

Top gainers on the Stock Exchange of Thailand today

#	Company	Price (THB)	Change	Volume	Traded value	RSI
1	BKGI Bangkok Genomics Innovation Pcl	2.560	+7.56%	2,223,860	5.7M	70
2	ADVANT23 Advantest Corporation	4.920	+7.42%	247,504	1.2M	46
3	BJC Berli Jucker PCL	19.900	+5.85%	25,938,905	516.2M	73
4	NAT NAT ABSOLUTE TECHNOLOGIES PUBLIC COMPANY LIMITED	3.320	+5.73%	3,727,040	12.4M	66
5	SCGD SCG Decor PCL	5.800	+5.45%	4,386,153	25.4M	72
6	PETROCN80 PetroChina Company Limited	4.400	+4.76%	17,371	0.1M	64
7	FORTH Forth Corporation Public Company Limited	14.200	+4.41%	3,659,127	52.0M	50
8	TSLA03 Tesla, Inc.	4.440	+4.23%	19,251	0.1M	63
9	AIE Ai Energy Public Company Limited	1.490	+4.20%	6,577,863	9.8M	47
10	GGC Global Green Chemicals Public Company Limited	6.650	+3.91%	38,100	0.3M	64
11	SNPS Specialty Natural Products PCL	4.420	+3.76%	21,916	0.1M	56
12	TAE Thai Agro Energy Public Company Limited	1.680	+3.70%	8,142,026	13.7M	68
13	SMT Stars Microelectronics (Thailand) PCL	7.600	+3.40%	23,687,641	180.0M	65
14	PTTGC PTT Global Chemical Public Company Limited	54.250	+3.33%	32,042,318	1,738.3M	65
15	TSLA01 Tesla, Inc.	39.250	+3.29%	12,702	0.5M	61
16	CENTEL Central Plaza Hotel Public Company Limited	47.500	+3.26%	3,004,499	142.7M	73
17	BRI Britania PCL	1.300	+3.17%	1,111,410	1.4M	72
18	CRC Central Retail Corporation Public Company Limited	33.250	+3.10%	18,025,870	599.4M	71
19	PRAKIT Prakit Holdings Public Company Limited	10.300	+3.00%	6,100	0.1M	47
20	M MK Restaurant Group Public Company Limited	20.700	+2.99%	1,895,711	39.2M	59
21	KCG KCG Corporation Public Company Limited	10.400	+2.97%	771,401	8.0M	60
22	LENOVO13 Lenovo Group Limited	4.940	+2.92%	2,857,208	14.1M	30
23	MOSHI Moshi Moshi Retail Corp. PCL	35.750	+2.88%	1,294,983	46.3M	55
24	PTTEP PTT Exploration and Production Public Company Limited	166.50	+2.78%	25,234,914	4,201.6M	74
25	MPJ M P J Logistics Public Company Limited	4.520	+2.73%	151,900	0.7M	61

Top losers on the Stock Exchange of Thailand today

#	Company	Price (THB)	Change	Volume	Traded value	RSI
1	KGEN King Gen PCL	1.540	−12.99%	61,732,900	95.1M	48
2	VGI VGI Public Company Limited	1.010	−11.40%	1,280,171,231	1,293.0M	47
3	KAMART Karmarts Public Company Limited	6.450	−8.51%	13,159,455	84.9M	32
4	TPLAS Thai Plastic Industrial (1994) Public Company Limited	1.060	−7.02%	204,900	0.2M	32
5	CNSEMI23 CNSEMI23	2.660	−6.99%	375,740	1.0M	22
6	EASTW Eastern Water Resources Development and Management Public Company Limited	4.460	−6.30%	5,609,215	25.0M	30
7	PIS Pro Inside Public Company Limited	5.350	−6.14%	2,154,697	11.5M	25
8	WARRIX Warrix Sport PCL	1.070	−6.14%	2,695,656	2.9M	20
9	SRS Sirisoft Public Company Limited	2.300	−5.74%	410,220	0.9M	40
10	XIAOMI01 Xiaomi Corporation	2.480	−5.34%	217,149	0.5M	48
11	MFC MFC Asset Management Public Company Limited	23.500	−5.24%	324,450	7.6M	39
12	GEELY06 Geely Automobile Holdings Limited	2.400	−4.76%	5,466	0.0M	36
13	XIAOMI80 Xiaomi Corporation	11.100	−4.31%	1,593,095	17.7M	50
14	UBTECH23 Ubtech Robotics Corp Ltd	1.120	−4.27%	1,410,208	1.6M	39
15	ROJNA Rojana Industrial Park Public Company Limited	5.700	−4.20%	7,062,518	40.3M	48
16	MICRO Micro Leasing Public Company Limited	1.400	−4.11%	1,077,503	1.5M	55
17	CATL80 Contemporary Amperex Technology Co., Limited	15.000	−3.85%	211,176	3.2M	23
18	PG People's Garment Public Company Limited	6.400	−3.76%	1,201	0.0M	44
19	KINGSOFT23 Kingsoft Corporation Limited	1.840	−3.66%	117,775	0.2M	57
20	NFLX80 Netflix, Inc.	2.160	−3.57%	626,607	1.4M	34
21	QH Quality Houses Public Company Limited	1.370	−3.52%	33,769,343	46.3M	48
22	AMATA Amata Corporation Public Company Limited	28.750	−3.36%	22,353,249	642.7M	32
23	AXTRART AXTRART_AXTRA FUTURE CITY	11.600	−3.33%	4,577,782	53.1M	31
24	UKEM Union Petrochemical Public Company Limited	1.180	−3.28%	24,031,608	28.4M	35
25	THREL Thaire Life Assurance Public Company Limited	1.210	−3.20%	178,013	0.2M	46

Most active stocks on the Stock Exchange of Thailand by traded value

#	Company	Price (THB)	Change	Volume	Traded value	RSI
1	PTTEP PTT Exploration and Production Public Company Limited	166.50	+2.78%	25,234,914	4,201.6M	74
2	KTB Krung Thai Bank Public Company Limited	44.250	+0.57%	66,106,827	2,925.2M	59
3	KBANK Kasikornbank Public Company Limited	245.00	+0.41%	11,402,414	2,793.6M	57
4	SCB SCB X Public Company Limited	153.50	+0.66%	18,044,247	2,769.8M	62
5	PTT PTT Public Company Limited	42.000	+0.60%	54,249,946	2,278.5M	67
6	TRUE True Corporation Public Company Limited	12.800	−1.54%	139,056,411	1,779.9M	51
7	KCE KCE Electronics Public Company Limited	69.750	+0.00%	25,360,069	1,768.9M	48
8	PTTGC PTT Global Chemical Public Company Limited	54.250	+3.33%	32,042,318	1,738.3M	65
9	ADVANC Advanced Info Service Public Company Limited	335.00	−0.89%	4,787,164	1,603.7M	41
10	BCP Bangchak Corporation Public Company Limited	51.500	−1.44%	28,908,839	1,488.8M	47
11	TOP Thai Oil Public Company Limited	67.500	−1.10%	21,872,255	1,476.4M	45
12	CPALL CP ALL Public Company Limited	44.000	+0.00%	31,272,385	1,376.0M	52
13	VGI VGI Public Company Limited	1.010	−11.40%	1,280,171,231	1,293.0M	47
14	GULF Gulf Energy Development Public Company Limited	61.500	−0.40%	19,870,592	1,222.0M	52
15	SCC The Siam Cement Public Company Limited	278.00	+1.46%	4,238,151	1,178.2M	61
16	BBL Bangkok Bank PCL	185.00	+0.00%	6,331,768	1,171.4M	47
17	BDMS Bangkok Dusit Medical Services Public Company Limited	19.900	+1.02%	55,211,078	1,098.7M	60
18	AOT Airports Of Thailand PCL	61.250	+0.00%	17,548,347	1,074.8M	56
19	TTB TMBThanachart Bank Public Company Limited	2.740	+0.00%	362,096,535	992.1M	34
20	HANA Hana Microelectronics Public Company Limited	48.250	+1.58%	20,514,812	989.8M	45
21	KKP Kiatnakin Phatra Bank Public Company Limited	119.50	−1.24%	6,922,881	827.3M	61
22	BH Bumrungrad Hospital PCL	201.00	+0.50%	4,027,536	809.5M	68
23	CPF Charoen Pokphand Foods Public Company Limited	20.000	−0.99%	36,710,790	734.2M	31
24	SPRC Star Petroleum Refining Co Ltd	14.800	−2.63%	48,544,861	718.5M	50
25	AMATA Amata Corporation Public Company Limited	28.750	−3.36%	22,353,249	642.7M	32

Stock Exchange of Thailand gainers and losers: common questions

Which stocks are the top gainers on the Stock Exchange of Thailand today?

At the 27 Oct 2026 close the biggest gainers on the Stock Exchange of Thailand were Bangkok Genomics Innovation Pcl (BKGI) +7.56%, Advantest Corporation (ADVANT23) +7.42%, Berli Jucker PCL (BJC) +5.85%.

Which stocks are the top losers on the Stock Exchange of Thailand today?

At the 27 Oct 2026 close the biggest losers were King Gen PCL (KGEN) −12.99%, VGI Public Company Limited (VGI) −11.40%, Karmarts Public Company Limited (KAMART) −8.51%.

How many stocks rose or fell on the Stock Exchange of Thailand?

Of the 559 stocks with a usable price move on 27 Oct 2026, 158 rose, 256 fell and 145 were unchanged (28% advancing).

How often is this list updated, and what is left out?

It is rebuilt after each market close from end-of-day prices, so it is not live. Stocks priced under 1 THB, stocks that barely trade and moves above 60% (usually data glitches or corporate actions such as splits) are left out.

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End-of-day data in the market's own currency. Educational only, not financial advice.