Analysis for Broker Platform Outages Volatility and Broker Outages Are Strongly Correlated

Analysis for broker platform outages Volatility and broker outages are strongly correlated

Tesla rapid increase and Tesla, Apple stock split

GME frenzy

Markets came US elections back as hope increased

Huge market crash due to coronavirus

VIX (or Volatility Index) is used to measure stock markets’ volatility

2 Source: downdetector.com, Yahoo! Finance, BrokerChooser Outages in Jan 2021 driven by “meme” stocks’ volatility

True range is calculated as maximum of the followings: ● Current day’s high - Current day’s low ● Current day’s high - Last day’s close ● Last day’s close - Current day’s low 3 Source: downdetector.com, barchart.com, BrokerChooser Major outages at Robinhood were relating to new services

Error on TD’s web trading Reason of TD platform. Reason of TD outage is not Reason of outage is not transparent. Many of outage is not transparent. Robinhood transparent. outages in Dec-Jan was relating to options trading

Many of Robinhood outages in Jun was relating to crypto trading

Notes to the chart: ● BrokerChooser checked the outages when the broker had more than 2,000 reported outages in a month and other brokers had outages less than 2,000 in that specific month. ● Robinhood introduced crypto and options trading in 2018. Major outages BrokerChooser checked were relating to these features. ● TD Ameritrade didn’t share any information on social media or in the news about the reasons of outages. 4

Source: downdetector.com, Robinhood’s Twitter, TD Ameritrade’s Twitter, BrokerChooser Majority of the outages reported after US market opens

The percentages are the aggregate number of outages reported between Jan 2018 and Jan 2021 at Robinhood, TD Ameritrade, Charles Schwab, E*TRADE, Interactive Brokers, Fidelity, Vanguard, and Webull.

Source: downdetector.com, BrokerChooser 5 Contact us

Dan Sallai BrokerChooser Chief Marketing Officer [email protected] +36 30 4741714