What Time Does CBOT Open? A Complete Guide to CBOT Market Hours

You wake up before dawn, coffee in hand, and open your trading platform. The corn futures chart is already moving. Somewhere in the back of your mind, a familiar question surfaces: did the market just open, or has it been running for hours?

For anyone trading agricultural commodities, knowing exactly when CBOT opens isn’t just trivia—it’s the difference between catching the overnight move and missing it entirely.

The Short Answer: CBOT Market Open Time

The Chicago Board of Trade (CBOT), now part of CME Group, operates on a nearly round-the-clock electronic schedule for its grain and oilseed contracts.

CBOT market open time for most agricultural futures—corn, soybeans, wheat, and their derivatives—is 7:00 p.m. Central Time (CT) on Sunday evening, which marks the start of the trading week . From that point, the electronic session runs continuously until 7:45 a.m. CT, followed by a brief pause, then a daytime session from 8:30 a.m. to 1:20 p.m. CT .

That pattern repeats Monday through Friday, with the daily session closing at 1:20 p.m. CT and the overnight session resuming at 7:00 p.m. CT .

Breaking Down CBOT Market Hours

When traders ask about cbot market hours, they’re usually referring to the CME Globex electronic platform, which is where virtually all CBOT agricultural trading happens today.

Sunday through Friday:

• Overnight session: 7:00 p.m. – 7:45 a.m. CT
• Day session: 8:30 a.m. – 1:20 p.m. CT (settlement at 1:15 p.m.)

Saturday: Closed.

The 45-minute gap between the overnight close and day open gives the exchange time for maintenance and settlement processes. For most active traders, the day session—particularly the first hour after 8:30 a.m. CT—draws the heaviest volume, as it overlaps with the U.S. cash market open and the release of key USDA reports.

CBOT Opening Hours and the Global Trading Day

One of the more confusing aspects of cbot opening hours is the concept of the “trading day.” Unlike stock markets, which have a clear open and close each day, futures markets operate on a session that spans two calendar days.

When CBOT opens at 7:00 p.m. CT on Sunday, that session is technically Monday’s trading day. The overnight action from Sunday evening through Monday morning is part of Monday’s official trading session. This means that when you check your charts on Monday morning, the price action you see from Sunday night is already part of the current day’s range.

For traders in Asia and Europe, this schedule is particularly convenient. The 7:00 p.m. CT open translates to:

• 8:00 p.m. ET (New York)
• 1:00 a.m. BST (London) — right in the middle of the European morning
• 8:00 a.m. CST (Beijing/Shanghai) — perfect for the Asian trading day

This extended schedule means CBOT grain markets are accessible to global participants without forcing anyone to trade at 3 a.m. local time.

CBOT Market Close Time and What Happens After

The cbot market close time for the day session is 1:20 p.m. CT, though settlement prices are calculated at 1:15 p.m. . After the close, trading halts until the overnight session resumes at 7:00 p.m. CT.

However, there’s a brief window each day when trading stops entirely: from 4:30 p.m. to 5:00 p.m. CT, the exchange performs maintenance, and no trading occurs . This is separate from the gap between the day session close and the overnight open—during that 1:20 p.m. to 7:00 p.m. window, the market is simply not trading, but the platform remains accessible for order entry and account management.

CBOT Holidays and Reduced Hours

Like all U.S. exchanges, CBOT observes major holidays, and trading hours are adjusted on certain days around them. On full holidays—New Year’s Day, Martin Luther King Jr. Day, Presidents’ Day, Good Friday, Memorial Day, Juneteenth, Independence Day, Labor Day, Thanksgiving, and Christmas—CBOT is closed .

On some partial holidays, such as the day before Independence Day or the day after Thanksgiving, CBOT may open later or close early. Grain markets typically observe a shortened session on these days, though the exchange publishes specific schedules in advance.

Why CBOT Hours Matter for Your Trading Setup

If you trade CBOT grains, you’re likely monitoring positions across the overnight session, the day session, or both. The challenge is that being glued to your screen for eighteen hours a day isn’t practical—or healthy.

This is where having a tool that keeps you connected without demanding your full attention becomes genuinely useful. With Camovia Tray, you can turn your MT5/MT4 platform into a system tray utility. Instead of keeping a full trading terminal open and visible on your desktop, you hover over the tray icon to see live quotes for the instruments you’re watching.

For CBOT traders specifically, this matters during the transition points: the 7:00 p.m. CT open, the 8:30 a.m. CT day session start, or the 1:20 p.m. CT close. You don’t need to keep a full chart up all day to know where corn or soybeans are trading. A quick hover gives you the number.

Position management works the same way. The tray panel shows your open positions—symbol, direction, lot size, entry price, and current P&L. If you need to close a position during the overnight session while you’re doing something else, it’s a two-step confirmation: click the position, then confirm. Your data stays local; nothing goes to a remote server.

Getting the Timing Right

CBOT market open time is 7:00 p.m. CT Sunday through Friday, with the day session running 8:30 a.m. to 1:20 p.m. CT. The overnight session is where much of the global price discovery happens, while the day session captures the U.S. cash market open and the bulk of agricultural news flow.

Knowing these hours is the first step. Having a way to stay informed without being chained to a full terminal is the second. If you’d rather keep an eye on CBOT grains without keeping MT5 or MT4 front and center on your screen all day, Camovia Tray can put that information where you’ll actually see it—right in your system tray, out of the way but always available.