Read the wiki article below first.Add new 0.2% financial transaction tax +$150b (this tax works in the EU)
Which countries does it work in? How much does it raise? Link?
Financial Transactions Taxes Around the World
Types Of Financial Transaction Taxes Financial Transaction Tax (FTT) – A tax on buying and selling a stock, bond, or other financial contract like options and derivatives (Klien 2020). Securities Transaction Tax (STT) – A tax levied at the time of purchase and sale of securities listed on stock...
cepr.net
Financial transaction tax - Wikipedia
en.wikipedia.org