Is Thinkorswim out of business? Traders report issues with Charles Schwab app during closing hours

Charles Schwab’s trading app Thinkorswim was taken down by hundreds of users as U.S. stocks closed Thursday. According to Down detectorAccording to user reports tracking such outages, as many as 800 users reported problems with Thinkorswim around 4pm ET on Thursday afternoon.

According to posts on social media, many traders who used the app to trade during final market hours today were affected by the reported outage.

“Schwab/Thinkorswim is still in the doldrums. No work for 30 minutes. The fact that anyone trusts this platform still baffles me.” one user wrote.

“Charles Schwab what a terrible platform you are building! The app doesn’t even log in for the critical window of 4-4:15 ET,” added another.

The outage appears to have started at 3:52 PM ET, just as the market was about to close, and peaked at around 4:07 PM ET with 705 reports. According to DownDetector, the number of reports had dropped to about 650 as of 4:22 p.m. ET.

It was unclear how many traders on the Schwab platform were affected during the brief outage, which appeared to last into after-hours hours. As of now, Thinkorswim has not issued a statement regarding the outage.

This story is being updated.