Mexico’s IPC Falls 0.78% as the Peso Slips Before Banxico
Key Facts
- The S&P/BMV IPC closed at 63,375.93 points on Friday, down 0.78% on the session and 0.86% lower across the week.
- Breadth was negative, with 22 index members falling and 13 rising among the 35 with data.
- Orbia led the index with a 5.47% gain, while Grupo Comercial Chedraui fell 4.29%.
- The peso closed at 17.2333 per dollar, with Banxico’s FIX set at 17.2450 for the same date.
- Banxico holds its policy rate at 6.50% and decides again on 24 September, with mid-month inflation due the same day.
- The Mexico fund EWW fell 1.28% on Friday and 2.71% over the week.
Today’s Focus
Mexico’s market closed the week lower, and the currency did the same. The S&P/BMV IPC finished Friday at 63,375.93 points, down 0.78% on the session.
The peso closed at 17.2333 per dollar, according to Banxico, softer than Thursday’s offshore quote of 17.1681. Banxico’s FIX for the same date was set at 17.2450.
Breadth was negative across the index. Of the 35 members with data, 22 fell and 13 rose, with no unchanged names.
The week was weaker than the day. The IPC lost 0.86% from Friday 11 September, and the peso gave up 1.46% against the dollar.
Banxico’s next decision falls on Thursday 24 September. The policy rate stands at 6.50%.
What matters today. Banxico meets on 24 September with mid-month inflation due the same morning. The peso’s weekly slide of 1.46% is the backdrop to that decision.
| Instrument | Level | Session |
|---|---|---|
| Ibovespa (Brazil) | 185,229.17 | -0.41% |
| S&P 500 (US) | 7,650.50 | +0.17% |
| Nasdaq Composite (US) | 26,523 | +0.39% |
| VIX (US volatility) | 14.81 | -4.08% |
| USD/BRL | 5.1445 | +0.30% |
| Gold (per ounce) | US$4,380.01 | +0.77% |
| Silver (per ounce) | US$66.35 | +1.41% |
| Oil fund (USO) | US$153.82 | -0.96% |
Friday, 18 September 2026 close. Gold, silver and the oil fund in US dollars.
01 The session in one read
The index closed at 63,375.93 points, down 0.78% on the day and 0.86% over the week. It sits 12.1% below its 52-week high of 72,106.48 points.
The dollar rose 0.31% against the peso on RT’s offshore quote, which closed at 17.2210 per dollar. Banxico’s own closing rate was 17.2333 per dollar, with a FIX of 17.2450.
Both peso readings are weaker than Thursday’s offshore quote of 17.1681. The peso has now given up 1.46% against the dollar since Friday 11 September.
The S&P 500 added 0.17% and the Nasdaq Composite 0.39%. The dollar index closed at 100.215, down 0.03% on the day.
The Dow Jones Industrial Average slipped 0.18% and the VIX closed at 14.81, down 4.08%. The US 10-year Treasury yield closed at 4.998%, up from 4.947%.
Gold rose 0.77% to US$4,380.01 an ounce and silver gained 1.41% to US$66.35. The copper tracker CPER added 1.44% while the steel fund SLX fell 2.10%.
02 The day’s numbers
| Measure | Level | Change | Read |
|---|---|---|---|
| S&P/BMV IPC | 63,375.93 | -0.78% | Official close; week -0.86% |
| USD/MXN (offshore, peso per dollar) | 17.2210 | +0.31% | RT offshore quote; week +1.46% |
| Banxico closing rate (peso per dollar) | 17.2333 | — | FIX 17.2450 for 18 September |
| Index members advancing | 13 | — | Against 22 decliners, none unchanged |
| S&P 500 | 7,650.50 | +0.17% | Week -0.08% |
| Banxico policy rate | 6.50% | — | Decision scheduled for 24 September |
The peso’s move is measured against Thursday’s offshore close of 17.1681. Banxico’s FIX, the reference rate used for settling obligations, was set at 17.2450.
The policy rate stands at 6.50% and the next decision is scheduled for 24 September. Mid-month inflation for September is also due that morning.
The Mexico fund EWW fell 1.28% on the day and 2.71% over the week. The Latin America fund ILF fell 1.16% on Friday.
The Brazil fund EWZ fell 0.58% and the Chile fund ECH 0.38%. The Argentina fund ARGT fell 1.50% and the Peru fund EPU rose 0.17%.
The peso’s 14-day relative strength index is 67.7. The 20-day range for USD/MXN runs from 16.852 to 17.277 per dollar.
Live Market IntelligenceMexico — Live Market Board
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Mexico — Live Market Board
+0.91%
167,563.47
+1.23%
70,819.80
+0.91%
10,627.00
+2.52%
2,848,945
—
2,506.42
-0.84%
| Instrument | Last | Change | YoY | Prev. | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| IPC MEX | 70,819.80 | +0.91% | +12.74% | 70,184.33 | 70,008 | 69,383 | 49,372,306 |
| USD/MXN | 18.69 | +0.62% | +1.45% | 18.57 | 18.69 | 18.54 | — |
| WALMEX | 49.53 | -1.51% | -19.45% | 50.29 | 50.54 | 49.44 | 2,069,310 |
| GMEXICO | 231.81 | +1.57% | +50.31% | 228.22 | 233.41 | 228.50 | 1,952,754 |
| FEMSA | 232.97 | +0.18% | +32.20% | 232.54 | 234.49 | 230.40 | 277,092 |
| CEMEX | 19.60 | +3.48% | +14.42% | 18.94 | 19.63 | 18.95 | 9,927,197 |
| GFNORTE | 214.68 | +0.29% | +24.39% | 214.07 | 215.30 | 212.24 | 5,714,524 |
| BIMBO | 64.27 | +1.56% | +3.36% | 63.28 | 64.60 | 62.11 | 988,269 |
| TELEVISA | 8.33 | -1.77% | -9.16% | 8.48 | 8.52 | 8.31 | 1,277,288 |
| AMX | 22.47 | -0.27% | +7.56% | 22.53 | 22.74 | 22.39 | 7,217,012 |
| GAP | 418.59 | +0.34% | +5.26% | 417.18 | 423.09 | 413.53 | 190,130 |
| ASUR | 249.54 | -1.02% | -18.40% | 252.11 | 253.66 | 248.64 | 24,784 |
| OMA | 229.76 | +0.06% | -3.04% | 229.62 | 231.99 | 227.86 | 119,261 |
| KOF | 213.92 | -0.39% | +31.99% | 214.75 | 216.94 | 211.01 | 518,660 |
| GRUMA | 245.16 | -0.93% | -22.90% | 247.46 | 248.39 | 245.00 | 101,929 |
| KIMBER | 37.80 | +0.13% | +7.64% | 37.75 | 38.38 | 37.80 | 2,154,177 |
| AMX ADR | 24.01 | -0.70% | +5.59% | 24.18 | 24.37 | 23.99 | 1,024,581 |
03 Why it moved — a softer peso into the Banxico call
The peso’s weekly move was 1.46% against the dollar, from 16.973 on Friday 11 September to 17.2210 on RT’s offshore quote. Banxico’s closing rate for Friday was 17.2333 per dollar.
The dollar index rose 1.10% over the same week, to 100.215. The euro fell 1.01% against the dollar and the yen weakened 2.15%.
Grupo Comercial Chedraui fell 4.29%, La Comer 3.19% and Coca-Cola FEMSA 2.06%. Grupo Financiero Inbursa fell 2.79% and Grupo Financiero Banorte 2.66%.
The Mexico fund EWW fell 1.28% and the Latin America fund ILF 1.16%. Brazil’s Ibovespa lost 0.41% and Colombia’s COLCAP rose 1.03%, according to La República.
Mexico’s mid-month inflation for September is due on 24 September, the same day as the rate decision. The calendar shows a year-on-year consensus of 3.3% against a prior 3.26%.
Retail sales for July are due on Tuesday 22 September. The calendar shows a year-on-year consensus of 2.5% against a prior 2.7%.
The USMCA review remains open. The United States declined to renew the agreement in its current form on 1 July 2026, according to Ground News, and talks continue.
04 The day’s movers
| Stock | Move | Note |
|---|---|---|
| Orbia | +5.47% | Best performer on the index |
| El Puerto de Liverpool | +3.84% | Second-largest gain of the session |
| Industrias Peñoles | +2.33% | Precious metals exposure |
| Grupo Aeroportuario del Pacífico | +2.20% | Airport operator among the leaders |
| Grupo Comercial Chedraui | -4.29% | Worst performer on the index |
| La Comer | -3.19% | Second-largest decline of the session |
Orbia led at 5.47%, followed by El Puerto de Liverpool at 3.84% and Industrias Peñoles at 2.33%. Grupo Aeroportuario del Pacífico rose 2.20% and its ADR PAC gained 1.61%.
Chedraui fell 4.29%, La Comer 3.19% and Inbursa 2.79%. Banorte fell 2.66% and Grupo México 2.38%.
Grupo México fell 2.38% while the copper tracker CPER rose 1.44%. The steel fund SLX fell 2.10% and the lithium fund LIT 0.56%.
Alsea rose 1.99% and Vesta 1.36%. Kimberly-Clark de México added 1.51% and Banco del Bajío 1.75%.
Among ADRs, América Móvil fell 2.61% and FEMSA 1.39%. Cemex fell 1.28% and Mercado Libre 2.07%.
The gold miners fund GDX fell 0.46% while Barrick dropped 3.01%. Wheaton Precious Metals fell 0.78% and Agnico Eagle 0.93%.
05 The regional scoreboard
| Market | Close | Session | Note |
|---|---|---|---|
| S&P/BMV IPC (Mexico) | 63,375.93 | -0.78% | Week -0.86% |
| Ibovespa (Brazil) | 185,229.17 | -0.41% | Week -1.06% |
| MSCI COLCAP (Colombia) | 2,548.22 | +1.03% | Per La República, single source |
| S&P IPSA (Chile) | 11,381.18 | — | Market closed 18 and 19 September |
| S&P 500 (US) | 7,650.50 | +0.17% | Week -0.08% |
| Euro Stoxx 50 | 6,236.20 | -1.37% | Week -1.41% |
Colombia’s COLCAP rose 1.03%, according to La República, and Brazil’s Ibovespa slipped 0.41%. Mexico’s IPC fell 0.78%.
Chile’s market was closed for the Fiestas Patrias holidays on 18 and 19 September. Its last close was 11,381.18 points on Thursday 17 September.
The S&P 500 added 0.17% and the Nasdaq Composite 0.39%, while Europe’s Euro Stoxx 50 fell 1.37%. The VIX closed at 14.81, down 4.08%.
The Nikkei 225 rose 1.38% and the Shanghai Composite 0.94%. The Hang Seng added 0.60% and the DAX fell 1.60%.
The Colombian peso weakened 1.11% against the dollar while the Chilean peso firmed 0.31%. The Brazilian real slipped 0.30% and the Argentine peso 0.26%.
The dollar index closed at 100.215, down 0.03% on the day but up 1.10% over the week. The euro closed at 1.1483 and the yen at 156.85.
06 The technical picture
The index sits below both of its main moving averages. The 50-day average is 65,626.81 points and the 200-day average is 67,689.34, both above Friday’s close.
The 14-day relative strength index reads 32.3. The 20-day range runs from 63,375.52 to 66,823.10 points, and Friday’s close sits within half a point of the 20-day low.
The peso’s 14-day relative strength index is 67.7, and its 20-day range runs from 16.852 to 17.277 per dollar. The 50-day average for USD/MXN is 17.1409 and the 200-day average is 17.3969.
Friday’s close of 17.2210 sits between the two. The dollar index closed at 100.215, up 1.10% over the week and 0.03% lower on the day.
The IPC’s one-month change is -0.97%. The Ibovespa’s one-month change is +10.37% and its 14-day relative strength index is 71.6.
The S&P 500’s 14-day relative strength index is 45.1 and its 50-day average is 7,617.24. The index sits above both its 50-day and 200-day averages.
Gold’s 14-day relative strength index is 44.2 and its 50-day average is US$4,381.74. Silver’s 14-day relative strength index is 50.7 and its 50-day average is US$64.93.
07 What to watch
- Banxico on Thursday 24 September: The policy rate stands at 6.50%, and the peso’s weekly slide is the backdrop.
- Mid-month inflation, also 24 September: The calendar shows a year-on-year consensus of 3.3% against a prior 3.26%.
- Retail sales on Tuesday 22 September: The calendar shows a year-on-year consensus of 2.5% against a prior 2.7%.
- The 20-day low on the IPC: Friday’s close of 63,375.93 sits within half a point of the 20-day low of 63,375.52.
- The 17.277 line on USD/MXN: That is the 20-day high, and the peso closed Friday at 17.2210 on RT’s offshore quote.
- Copper-linked names: Grupo México fell 2.38% while the copper tracker CPER rose 1.44%, a gap worth tracking next week.
More: Latin America news in English, every day from The Rio Times.
Frequently Asked Questions
Where did Mexico’s IPC close on 18 September 2026?
The S&P/BMV IPC closed at 63,375.93 points, down 0.78% on the session and 0.86% lower over the week. RT’s end-of-day feed shows 63,706.89, a snapshot taken before the close.
What is the Mexican peso worth?
Banxico reported a closing rate of 17.2333 pesos per dollar on 18 September, with a FIX of 17.2450. RT’s offshore quote closed at 17.2210, up 0.31% on the day.
What is Banxico’s policy rate?
The target rate stands at 6.50%. The next decision is scheduled for 24 September.
Which Mexican shares led and lagged the session?
Orbia rose 5.47%, El Puerto de Liverpool 3.84% and Industrias Peñoles 2.33%. Grupo Comercial Chedraui fell 4.29% and La Comer 3.19%.
How broad was the decline?
Of the 35 index members with data, 22 fell and 13 rose, with none unchanged. Grupo Comercial Chedraui fell 4.29% and La Comer 3.19%.
Why was Chile’s market absent from the regional table?
Santiago’s exchange was closed on 18 and 19 September for the Fiestas Patrias holidays. Its last close was 11,381.18 points on Thursday 17 September.
Sources: Bolsa Mexicana de Valores and Marketscreener closing data for 18 September 2026; Banco de México closing rate, FIX and policy calendar; RT end-of-day prices for indices, currencies, funds and IPC members; RT economic calendar for 19-25 September 2026; La República on Colombia’s COLCAP close; Ground News on the USMCA review.
This article was produced by The Rio Times’ automated newsroom system. How we use AI · Report an error · Editorial responsibility: Matthias Camenzind, Editor-in-Chief
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