Thinkorswim appeared to be down for hundreds of users on October 23. As per Downdetector, over 200 users were facing issues with Thinkorswim at the time of writing. Many complained about the outage online.
It was originally founded in 1999 as an options-focused online brokerage , and has evolved into a tools for retail and institutional traders who analyze markets and execute complex strategies. Several websites went dark amid a mad scramble after reported vulnerabilities in a widely used programming language.
They said all users were “encouraged to update immediately. Thinkorswim is a trading platform suite owned and integrated by Charles Schwab. However, it is not known if the Thinkorswim outage is linked to this issue. Downdetector noted on its page “Some services may be offline while a global PHP security issue is fixed. Check the official website or social media of the service for more information.”
Developers of the PHP programming language released urgent new fixes on Wednesday, to rectify vulnerabilities which had been present in their software for years, but were only recenrly uncovered using AI.
Thinkorswim down: Users complain online
Yet one more person said “Cant log in , first time in yrs.” One person on X complained about the outage saying “Yes. All thinkorswim platforms are down. Another added “ToS down here – can’t log into app, platform, etc.
