Key Facts
- The SOYB soybean fund edged up 0.15% to US$26.64 on Thursday 22 October.
- Corn and wheat funds fell: CORN lost 1.11% to US$17.78 and WEAT lost 1.08% to US$22.84.
- On the Chicago exchange, November soybeans closed at US$12.53 a bushel, up 7.75 US cents, while December corn closed at US$4.605, down 2.75 cents.
- Chicago wheat closed at US$6.2475, down 3.5 cents, according to Brownfield Ag News.
- Argentina’s Rosario exchange sees a soybean crop of 47.8 million tonnes and a wheat crop of 21 million tonnes in 2026/27.
Today’s Focus
Soybeans edged higher on Thursday, 22 October 2026, while corn and wheat fell. The SOYB fund closed at US$26.64, up 0.15%.
The CORN fund lost 1.11% to US$17.78 and the WEAT fund lost 1.08% to US$22.84. On the Chicago exchange, November soybeans rose 7.75 US cents to US$12.53 a bushel, December corn fell 2.75 cents to US$4.605, and Chicago wheat fell 3.5 cents to US$6.2475.
We could not confirm a single news driver for the day.
What matters today. Soybeans held their ground while corn and wheat slipped, a familiar split when the harvest advances.
01 The session in one read
Soybeans held a small gain on Thursday, 22 October 2026, while corn and wheat ended lower.
The SOYB fund rose 0.15% to US$26.64. The CORN fund fell 1.11% to US$17.78, and the WEAT fund fell 1.08% to US$22.84.
On the Chicago exchange, November soybeans closed at US$12.53 a bushel, December corn at US$4.605 and Chicago wheat at US$6.2475, according to Brownfield Ag News.
Assessment — Beans hold, corn and wheat slip MEDIUM
The session split along crop lines: soybeans edged higher while corn and wheat ended lower. We could not verify a single news driver. The variable to watch is the weekly US harvest and export data, which show whether demand can absorb the crop.
02 The board
The soybean fund rose 0.15% to US$26.64 from US$26.60. The corn fund fell from US$17.98 to US$17.78, and the wheat fund fell from US$23.09 to US$22.84.
Funds hold futures contracts and do not match the bushel price exactly, so we show both.
| Asset | Level | Change |
|---|---|---|
| Soybeans (SOYB fund) | US$26.64 | +0.15% |
| Corn (CORN fund) | US$17.78 | −1.11% |
| Wheat (WEAT fund) | US$22.84 | −1.08% |
Source: RT close, 2026-10-22. Where a commodity has no spot feed, an exchange-traded tracker or leading producer is shown as a labelled proxy.
Live Market IntelligenceThe live market boardInside: market breadth, the sector heatmap, currencies & rates, the Latin America scoreboard and the full instrument board.
Rio Times · Live Market Intelligence
Latin America — Cross-Market Board
Regional
Oct 22, 2026 · 21:52
Ibovespa · benchmark
204,120.12 -1.15%
L 167,142day rangeH 168,310
+21.85% over 12 months
Market breadth · 4 names
0% advancing
0 ▲ advancing4 declining ▼
Currencies, rates & key inputs
USD / BRL
5.16
+0.01%
USD / MXN
17.06
-0.24%
USD / CLP
913.98
+0.04%
USD / COP
3,140
+0.03%
USD / ARS
1,493
+0.10%
Latin America scoreboard
IndexLastTodayStrength
IbovespaBrazil 204,120.12 -1.15%
S&P/BMV IPCMexico 69,370.40 -1.25%
S&P IPSAChile 10,780.31 -1.88%
S&P MERVALArgentina 3,017,221 —
MSCI COLCAPColombia 2,528.42 -1.25%
BVL S&P PerúPeru 59,561.23 -4.26%
Full instrument board
| Instrument | Last | Change | YoY | Prev. | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| IBOV | 204,120.12 | -1.15% | +21.85% | 206,495.23 | 168,310 | 167,142 | — |
| IPSA | 10,780.31 | -1.88% | — | 10,987.14 | 11,210 | 10,984 | 1,513,213,483 |
| IPC MEX | 69,370.40 | -1.25% | +12.17% | 70,249.54 | 66,121 | 65,405 | 108,886,187 |
| MERVAL | 3,017,221 | — | +30.51% | 3,022,485 | 3,042,365 | 2,991,150 | — |
| COLCAP | 2,528.42 | -1.25% | — | 9.04 | 9.05 | 9.02 | 4,133 |
| BVL PERÚ | 59,561.23 | -4.26% | — | — | — | — | — |
| USD/BRL | 5.16 | +0.01% | -5.13% | 5.16 | 5.18 | 5.14 | — |
| EUR/BRL | 5.95 | +1.01% | -5.83% | 5.89 | 5.98 | 5.94 | — |
| USD/MXN | 17.06 | -0.24% | -8.58% | 17.10 | 17.08 | 17.01 | — |
| USD/CLP | 913.98 | +0.04% | -5.67% | 913.65 | 915.11 | 906.68 | — |
| USD/COP | 3,140 | +0.03% | -22.04% | 3,139 | 3,141 | 3,105 | — |
| USD/PEN | 3.36 | -0.66% | -4.82% | 3.38 | 3.38 | 3.35 | — |
| USD/ARS | 1,493 | +0.10% | +12.96% | 1,491 | 1,494 | 1,480 | — |
| USD/UYU | 40.27 | +1.24% | +1.80% | 39.77 | 40.27 | 40.23 | — |
| USD/PYG | 5,939 | +1.68% | -19.54% | 5,841 | 5,939 | 5,925 | — |
| USD/BOB | 11.64 | -0.76% | +72.04% | 11.73 | 11.72 | 11.64 | — |
| USD/DOP | 58.34 | +1.25% | -3.44% | 57.62 | 58.34 | 58.04 | — |
| USD/CRC | 445.92 | +0.89% | -9.71% | 441.97 | 448.50 | 445.92 | — |
Largest moves today
BVL PERÚ 59,561.23 -4.26%
IPSA 10,780.31 -1.88%
USD/PYG 5,939 +1.68%
IPC MEX 69,370.40 -1.25%
COLCAP 2,528.42 -1.25%
USD/DOP 58.34 +1.25%
USD/UYU 40.27 +1.24%
IBOV 204,120.12 -1.15%
The session read
The Ibovespa eased 1.15%, with breadth negative — 0 of 4 names higher. MERVAL led, while BVL PERÚ lagged.
03 What moved it
We could not confirm a single news driver. The wider market was weak, with the Nasdaq down about 2.6% and an oil rally raising inflation worries, but grains moved less than other commodities.
US harvest pressure is a normal seasonal weight on prices: the USDA reported that 64% of the US soybean crop was harvested by 18 October, according to DTN.
04 The Latin American read
Brazil and Argentina are central to every global grain calculation. The Rosario grain exchange sees Argentina’s 2026/27 soybean crop at 47.8 million tonnes and its wheat crop at 21 million tonnes.
For foreign investors, the currency link matters: a stronger Brazilian real can make local grain less competitive on the dollar-priced world market, even when harvests are large. The real weakened 0.40% on Thursday.
05 The names to watch
SOYB is the simplest way to follow soybean futures, and CORN and WEAT do the same for corn and wheat.
Brazilian grain exporters and Argentine agribusinesses trade with the same currency and freight costs that shape these funds.
06 The outlook
The near-term question for soybeans is whether export demand keeps pace as the US harvest finishes. For corn, the test is whether sales can absorb a large US crop.
Wheat depends on supply news from Argentina and the Black Sea region.
07 What to watch
- US export sales and USDA reports: They show whether demand can absorb the crop.
- US harvest progress: Faster harvests add seasonal pressure on prices.
- Argentine crop estimates: Rosario updates show how large the South American supply will be.
- The Brazilian real: A weaker real helps Brazilian exports.
Frequently Asked Questions
How did grain funds trade on Thursday?
The SOYB soybean fund rose 0.15%, while the CORN fund fell 1.11% and the WEAT wheat fund fell 1.08%.
What did Chicago grain futures do?
November soybeans closed at US$12.53 a bushel, up 7.75 cents. December corn closed at US$4.605, down 2.75 cents, and Chicago wheat at US$6.2475, down 3.5 cents.
What does Rosario expect for Argentina’s crops?
The Rosario grain exchange sees a 2026/27 soybean crop of 47.8 million tonnes and a wheat crop of 21 million tonnes.
How far along is the US soybean harvest?
The USDA reported that 64% of the US soybean crop was harvested by 18 October, according to DTN.
Market data: RT
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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