Ever wondered about the operating hours of the popular trading platform, thinkorswim? Knowing the market hours and platform availability is crucial for traders to plan their strategies and make informed decisions. So, what time does thinkorswim close?

Before we dive into the specifics, it's essential to understand that thinkorswim, owned by TD Ameritrade, follows the standard U.S. market hours due to its primary user base. However, the platform itself may have slightly extended hours for certain services.

thinkorswim Market Hours
thinkorswim's market hours align with the U.S. stock exchanges, which are:

- Pre-Market: 7:00 AM - 9:30 AM ET
- Regular Trading Hours: 9:30 AM - 4:00 PM ET
- After Hours: 4:00 PM - 8:00 PM ET
During these hours, you can trade stocks, ETFs, options, and other securities listed on the exchanges.

thinkorswim Platform Availability
While the market hours dictate when you can trade, the thinkorswim platform itself is available 24/7 for account management, research, and paper trading. Here's a breakdown:
- 24/7 Access: Account management, research tools, paper trading, and educational resources
- Market Hours Only: Real-time data, live trading, and certain news feeds

So, while you can't trade during off-hours, you can still use the platform to plan your strategies, practice with paper trading, and stay informed.
thinkorswim Holidays and Special Hours
thinkorswim follows the U.S. stock exchange holiday schedule. On these days, the market is closed, and trading is not available. However, the platform remains open for account management and other services.

Additionally, thinkorswim may have special hours during events like daylight saving time changes or system maintenance. It's always a good idea to check the thinkorswim website or contact customer service for the most up-to-date information.
thinkorswim International Access




















If you're an international trader using thinkorswim, it's crucial to consider the time zone differences. The platform displays all times in Eastern Time (ET) by default. To see the market hours in your local time, you can adjust the time zone settings in your account profile.
thinkorswim Time Zone Settings
To change the time zone in your thinkorswim account:
- Log in to your thinkorswim account
- Click on the 'User' icon in the top right corner
- Select 'Profile & Settings'
- Under the 'General' tab, find the 'Time Zone' field
- Select your desired time zone from the dropdown menu
- Click 'Save Changes'
Now, the platform will display all times in your selected time zone, making it easier to plan your trading activities.
In summary, thinkorswim closes for trading during U.S. stock exchange off-hours but remains open 24/7 for account management and other services. Understanding the platform's hours and availability is key to maximizing your trading experience. Happy trading!