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THREAD: Robinhood and other brokerages came under fire last week for restricting trading in certain securities, including $GME and $AMC.

A thread simplifying the underlying mechanics of this drama and explaining why our archaic T+2 settlement system is to blame...


1/ First, if you're unfamiliar with the backdrop to this story, here are the basics.

GameStop (and other "meme stocks") saw a massive price spike last week.

There were fundamental and technical reasons for the rise.

My thread below is a helpful primer.


2/ On Thursday, several brokerages, including the popular @RobinhoodApp, halted or restricted trading in many of these stocks.

The public outcry was immediate (and very loud).

Amazingly, it even had @AOC and @TedCruz agreeing on something.


3/ There was speculation suggesting that Robinhood was involved in something nefarious.

Many pointed to their relationship with Citadel - a buyer of Robinhood order flow and a part-owner of infamous $GME short Melvin Capital - as a potential driver of the trading halts.


4/ But while this story made for headline-grabbing news, the real driver of the trading halts was much more mundane.

It has to do with our financial system's archaic "T+2 settlement" infrastructure.

It can get a bit complex, so let's simplify it here for everyone to understand.
Option Trading is very difficult to master as there are so many things to understand.

Here is a master thread related that will help a beginner to understand about Options Trading.

A complete course worth Rs 50K for free.

1/ A detailed thread on basics of Option Greeks and how it impacts Options


2/ Basic Option Trading Strategies:

There are many option strategies to trade. But keeping your strategy simple is the key.

In this thread, all the basic option trading strategies are being


3/ What are the things that you should look at before taking any Option


4/ Is Option Selling Possible with Rs 1 Lakh Capital?

Even a beginner can start trading in option selling with capital as low as Rs 1 Lakh.

What are the techniques one can use and how to mitigate the infinite loss risk is shared in this
$FISV investor day this week provided some new insights into the composition of — and more importantly, the growth engines within — each of its 3 operating segments

Will attempt to deep dives on each to build on some of my musings from earlier in the year on this topic 🤗 https://t.co/Amlnje1Qiq


Will also try to bridge to an earlier thread laying out the $FISV growth algorithm and the operational/financial levers that support its medium-term outlook of 15-20% FCF/share growth

Here we focus on the top line, most notably the impressive acceleration across all 3 segments https://t.co/8HzMhEC5Bj


Let’s start with Merchant:

1) This segment, which ~40% of $FISV revenue today, is the #1 merchant acquirer globally processing $3T+ annually for 6M merchants worldwide

2/3 of revenue is from SMBs, ~20% from mid-to-enterprise merchants, remaining ~15% is wholesale processing


2) 🇺🇸 is 3/4 of the $FISV Merchant segment and the scale of this business is unmatched: it processes 40% of all in-person purchases in the US, covers 80% of all US zip codes and accounts for 10% of US GDP. This book of business is the most balanced in the industry https://t.co/Qlkk7lz3jQ


3) Internationally, $FISV Merchant has strong position in EMEA (top 3 through various JVs and alliances) and several high growth countries, among others: India 🇮🇳 (top 3 with ~15% share), Argentina 🇦🇷 (~50% market share today), Brazil 🇧🇷 (routing ~30% of all electronic payments)