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Bolsa de Comercio de Buenos Aires (Argentina): top gainers and losers today

On the 19 Oct 2026 close, 55 stocks rose, 73 fell and 7 were unchanged on the Bolsa de Comercio de Buenos Aires (Argentina) (41% advancing). The BCBA market is also called Merval. The biggest gainer was Edesa Holding SA (EDSH) at +7.50%, the biggest loser was Compania de Transporte de Energia Electrica en Alta Tension Transener SA (TRAN) at −5.51%, and the most traded stock by value was Grupo Financiero Galicia S.A. (GGAL). Prices are in ARS. Stocks under 1 ARS, very thin trading and moves above 60% (usually data glitches or corporate actions) are left out.

Top gainers on the BCBA today

#	Company	Price (ARS)	Change	Volume	Traded value	RSI
1	EDSH Edesa Holding SA	5,590.00	+7.50%	44	0.2M	100
2	AMZN Amazon.com Inc.	2,967.50	+5.42%	1,656,737	4,916.4M	59
3	PLTR Palantir Technologies Inc.	105,175.00	+4.70%	30,634	3,221.9M	56
4	AKO-B Embotelladora Andina S.A. CEDEAR Series B	48,300.00	+4.32%	309	14.9M	52
5	TSLA Tesla, Inc.	39,800.00	+4.08%	140,216	5,580.6M	52
6	ACN ACCENTURE PLC CEDEAR EACH 75 RE	5,095.00	+3.61%	30,087	153.3M	76
7	GBAN Naturgy BAN SA	1,630.00	+3.49%	2,521	4.1M	44
8	SNOW Snowflake Inc.	17,070.00	+3.39%	2,488	42.5M	44
9	INTC Intel Corp. CEDEAR	29,980.00	+3.09%	29,562	886.3M	35
10	SID Companhia Siderúrgica Nacional	14,870.00	+2.98%	28,569	424.8M	49
11	GLOB Globant S.A.	3,615.00	+2.41%	227,652	823.0M	65
12	NUE Nucor Corp	26,520.00	+2.39%	623	16.5M	63
13	AMD Advanced Micro Devices, Inc.	87,800.00	+2.39%	9,917	870.7M	42
14	TXR Ternium SA DRC	23,590.00	+2.30%	13,317	314.1M	60
15	FERR Ferrum S.A.	16.000	+2.24%	450,041	7.2M	36
16	AMDD Advanced Micro Devices, Inc.	56.800	+2.16%	1,165	0.1M	42
17	TSM Taiwan Semiconductor Manufacturing Company Limited	76,100.00	+2.15%	90,112	6,857.5M	41
18	IBM International Business Machines Corporation	25,640.00	+1.91%	22,710	582.3M	61
19	BB BlackBerry Limited	4,387.50	+1.62%	27,852	122.2M	46
20	QQQ Invesco QQQ Trust, Series 1	58,475.00	+1.56%	33,214	1,942.2M	46
21	CADO Carlos Casado	538.00	+1.51%	37,865	20.4M	50
22	GOOGL Alphabet Inc Class A CEDEAR	9,670.00	+1.47%	610,248	5,901.1M	52
23	NVDA NVIDIA Corporation	14,720.00	+1.45%	631,790	9,299.9M	43
24	ADBE Adobe Inc.	9,120.00	+1.45%	21,903	199.8M	53
25	PATA Importadora y Exportadora de la Patagonia SA	1,160.00	+1.31%	2,693	3.1M	42

Top losers on the BCBA today

#	Company	Price (ARS)	Change	Volume	Traded value	RSI
1	TRAN Compania de Transporte de Energia Electrica en Alta Tension Transener SA	2,419.00	−5.51%	621,094	1,502.4M	22
2	EDN Empresa Distribuidora y Comercializadora Norte S.A.	1,575.00	−5.12%	1,144,986	1,803.4M	31
3	DOME Domec Compania de Artefactos Domesticos SAIC y F	64.400	−4.73%	14,102	0.9M	35
4	BYMA Bolsas y Mercados Argentinos SA	242.00	−3.97%	12,404,686	3,001.9M	37
5	ADGO Adecoagro S.A.	15,700.00	−3.80%	24,285	381.3M	36
6	GCLA Grupo Clarin S.A.	2,805.00	−3.77%	1,051	2.9M	22
7	COME Sociedad Comercial del Plata S.A.	36.330	−3.63%	14,647,478	532.1M	27
8	HARG Holcim Argentina SA	1,260.00	−3.08%	16,040	20.2M	35
9	AGRO Agrometal S.A.I.	31.200	−2.80%	723,874	22.6M	23
10	COIN Coinbase Global, Inc.	10,120.00	−2.79%	49,896	504.9M	43
11	CGPA2 Camuzzi Gas Pampeana SA	1,540.00	−2.53%	7,315	11.3M	32
12	CAPX Capex S.A	3,095.00	−2.52%	2,511	7.8M	30
13	YPFD YPF S.A. D	8,235.00	−2.31%	918,831	7,566.6M	48
14	TXAR Ternium Argentina SA	693.00	−2.26%	1,323,870	917.4M	55
15	SEMI Molinos Juan Semino SA	13.600	−2.16%	324,773	4.4M	34
16	CEPU Central Puerto S.A.	2,034.00	−2.12%	656,563	1,335.4M	48
17	TECO2 Telecom Argentina	3,960.00	−2.04%	818,332	3,240.6M	42
18	PBRD Petróleo Brasileiro S.A. - Petrobras	26.970	−2.00%	7,312	0.2M	72
19	MOLA Molinos Agro SA	20,875.00	−2.00%	639	13.3M	42
20	GGAL Grupo Financiero Galicia S.A.	5,690.00	−1.98%	2,391,617	13,608.3M	31
21	ALUA Aluar Aluminio Argentino	816.50	−1.98%	619,762	506.0M	43
22	PCAR PACCAR Inc	58,650.00	−1.88%	1,135	66.6M	39
23	BBAR BBVA Banco Frances SA	6,820.00	−1.87%	296,515	2,022.2M	40
24	VISTD Vista Energy, S.A.B. de C.V.	24.940	−1.77%	14,354	0.4M	56
25	MOLI Molinos Rio de la Plata SA	2,245.00	−1.75%	5,728	12.9M	34

Most active stocks on the BCBA by traded value

#	Company	Price (ARS)	Change	Volume	Traded value	RSI
1	GGAL Grupo Financiero Galicia S.A.	5,690.00	−1.98%	2,391,617	13,608.3M	31
2	NVDA NVIDIA Corporation	14,720.00	+1.45%	631,790	9,299.9M	43
3	YPFD YPF S.A. D	8,235.00	−2.31%	918,831	7,566.6M	48
4	VIST Vista Energy S.A.B. de C.V.	38,420.00	−1.23%	193,578	7,437.3M	57
5	TSM Taiwan Semiconductor Manufacturing Company Limited	76,100.00	+2.15%	90,112	6,857.5M	41
6	META Meta Platforms, Inc.	47,720.00	+0.08%	142,823	6,815.5M	51
7	MSFT Microsoft Corporation	28,860.00	+1.19%	212,600	6,135.6M	63
8	GOOGL Alphabet Inc Class A CEDEAR	9,670.00	+1.47%	610,248	5,901.1M	52
9	TSLA Tesla, Inc.	39,800.00	+4.08%	140,216	5,580.6M	52
10	AMZN Amazon.com Inc.	2,967.50	+5.42%	1,656,737	4,916.4M	59
11	BMA Banco Macro SA B	10,270.00	−0.68%	354,138	3,637.0M	33
12	PAMP Pampa Energia SA	5,165.00	−1.43%	694,969	3,589.5M	48
13	IBIT Banco Comafi S.A.	7,525.00	+0.53%	441,314	3,320.9M	54
14	TECO2 Telecom Argentina	3,960.00	−2.04%	818,332	3,240.6M	42
15	PLTR Palantir Technologies Inc.	105,175.00	+4.70%	30,634	3,221.9M	56
16	BYMA Bolsas y Mercados Argentinos SA	242.00	−3.97%	12,404,686	3,001.9M	37
17	MELI MercadoLibre Inc.	24,890.00	+0.61%	100,092	2,491.3M	53
18	BBAR BBVA Banco Frances SA	6,820.00	−1.87%	296,515	2,022.2M	40
19	QQQ Invesco QQQ Trust, Series 1	58,475.00	+1.56%	33,214	1,942.2M	46
20	PBR Petróleo Brasileiro S.A. - Petrobras	41,480.00	−1.61%	45,743	1,897.4M	73
21	BRKB Berkshire Hathaway Inc.	39,180.00	+0.05%	46,844	1,835.3M	74
22	EDN Empresa Distribuidora y Comercializadora Norte S.A.	1,575.00	−5.12%	1,144,986	1,803.4M	31
23	BBD Banco Bradesco DRC	6,415.00	−0.39%	263,135	1,688.0M	56
24	TRAN Compania de Transporte de Energia Electrica en Alta Tension Transener SA	2,419.00	−5.51%	621,094	1,502.4M	22
25	KO The Coca-Cola Company	30,300.00	+0.00%	45,925	1,391.5M	75

BCBA gainers and losers: common questions

Which stocks are the top gainers on the BCBA today?

At the 19 Oct 2026 close the biggest gainers on the Bolsa de Comercio de Buenos Aires (Argentina) were Edesa Holding SA (EDSH) +7.50%, Amazon.com Inc. (AMZN) +5.42%, Palantir Technologies Inc. (PLTR) +4.70%.

Which stocks are the top losers on the BCBA today?

At the 19 Oct 2026 close the biggest losers were Compania de Transporte de Energia Electrica en Alta Tension Transener SA (TRAN) −5.51%, Empresa Distribuidora y Comercializadora Norte S.A. (EDN) −5.12%, Domec Compania de Artefactos Domesticos SAIC y F (DOME) −4.73%.

How many stocks rose or fell on the BCBA?

Of the 135 stocks with a usable price move on 19 Oct 2026, 55 rose, 73 fell and 7 were unchanged (41% 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 ARS, 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.