Han Akamatsu 赤松 Profile picture
Sep 16 8 tweets 3 min read Read on X
$JD just published a case study with the UC Berkeley and HKU researchers in the INFORMS Journal on Applied Analytics.

This case study shows how $JD is using AI + optimization to squeeze real cash out of its supply chain.

Breaking it down on this thread: 🧵
TLDR: Bullish Image
1) $JD runs a two tier network:

RDCs aka Regional Distribution Centers: giant hubs with all SKUs.

FDCs aka Front Distribution Centers: smaller, closer to customers.

Their goal is to fulfill as many orders locally at FDCs as possible, with faster delivery, lower costs and happier customers.Image
2) The problem though? FDCs are small..

Which SKUs do you stock?

How much inventory do you ship daily from RDC to FDC?

This is a massive optimization problem with millions of SKUs, volatile demand, and strict space and capacity limits.
3) To solve the assortment challenge, $JD developed three algorithms:

1. The first is ML-Top-K, which uses machine learning forecasts to stock the most demanded items.

2. The second is Reverse-Exclude, which removes low-frequency products iteratively.

3. The third is a Hybrid approach that blends the two. The Hybrid method performed best, raising local fulfillment rates by about 2.2%. That sounds small, but in $JDs scale it translates into hundreds of thousands of additional orders filled locally.Image
4) For inventory allocation now:

$JD built a new end-to-end AI model using recurrent neural networks. This model forecasts demand, sets safety stock and target inventory levels, and then runs simulations to adapt the allocation in real time.

Compared with previous methods, it increased fulfillment from FDCs by about 1.05 percentage points.Image
5) The most important thing now:

These improvements are not just theoretical. They delivered real financial results. $JD reduced holding costs by around $6.1 million annually and cut transfer costs by about $22.3 million.

Stock availability improved by almost 1%, and roughly 18.6 million orders per year are now fulfilled more efficiently. JD’s “211” program, which guarantees same day or next day delivery, saw 1.44% more orders delivered within the promise window.Image
6) For the $JD investors, this is important because it shows $JD is creating operating leverage through technology.

Even small percentage improvements, when applied across JD’s vast network, generate tens of millions of dollars in annual savings.

This strengthens JD’s moat against competitors like $BABA and $PDD, who do not operate the same level of vertically integrated logistics.Image
7) The bottom line is pretty much clear as $JD is rapidly growing revenue and improving its margins and cash flow by making its supply chain smarter.

This research shows $JD executing on efficiency rather than relying only on price competition. And for the long term investors, that matters a lot.

With $JD having cut $28.5M in annual costs & having driven boosted fulfillment up with their AI driven logistics, seems like the stock market hasn’t yet priced JD correctly.

Recommendation: Long ✍🏻

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More from @Han_Akamatsu

Apr 12
$GME Citadel’s 2024 Filing: A closer look on their $923.5 billion in OTC-cleared interest rate derivatives.

What’s Notional Value and why it matters?
A short explanation below: 🧵 Image
Image
1: First of all, what’s Notional Value?

It’s not the actual cash on the line.
It’s the size of the underlying asset a derivative is based on.

Example:
If you trade a swap on $100M worth of bonds, that $100M is your notional value, even if you only post $1M in collateral..
2. So why does Citadel’s $923.5B matter?

Because it shows..

1: Massive interest rate exposure as Citadel’s book is deeply tied to the movement of rates. A small move can have a huge potential PnL swing.

2: This is a huge leverage..
You don’t need $900B in capital to have $900B notional exposure. This means they’re using derivatives to scale up bets. 👀

3: It’s labeled “in millions” this time..
That line was missing in previous, reports, possibly confusing people. But this confirms: Yes, it’s nearly a $1 trillion notional book.Image
Read 13 tweets
Apr 10
$GME JUST IN: On April 8, 2025, a filing hit the SEC:

The T-REX 2X Long GME Daily Target ETF has been created.

What’s that and how is this going to affect the GME price? This may be extremely bullish moving forward.

A thread below explaining: 🧵 Image
1. This ETF aims to deliver 2x the daily return of the GameStop stock $GME.

It is a leveraged single stock ETF, meaning that:

If GME goes up 5% in a day, this ETF targets a 10% gain that day.

If GME goes down 5%, this ETF targets a 10% loss.
2. It tracks GME’s daily returns, not long term returns as it resets daily.

Most likely it uses derivatives, swaps, futures, options, etc to gain 2x exposure..

It’s managed under the ETF Opportunities Trust, similar to other T-REX ETFs by REX Shares. ✔️
Read 9 tweets
Apr 9
This tweet may make me sound lunatic but I’ll try to break down what’s going on in the markets, and connect the dots for you guys, hopefully making it as clear as possible:

So let’s dive into this, and see how us $GME investors stand on this stressed environment: 🧵 Image
1. Bond Yields are spiking..

• Yields on US 10Y and 30Y Treasuries are going vertical.
• The entire yield curve is “blowing out”, this means interest rates across all maturities are jumping fast.
• The 20Y crossed 5%, and 30Y is right behind. Image
2. Why this all happening?

There’s massive selling of bonds, likely by major holders like China..

When big players sell bonds, prices fall and yields rise.

Some are calling this an unwind, not a calm selloff, but a fire sale. That means someone somewhere is under pressure and needs to raise cash.Image
Read 13 tweets
Apr 6
$GME Going into tomorrow’s market with two of my favorite reads from the old DD.

Chaos Theory & HoC and what they have taught us about such scenarios:

A short thread: 🧵 Image
Image
1. Only a liquidity event or a massive systemic drawdown would trigger real forced margin calls.

The broader market dumped hard on Friday. That’s exactly the kind of event Atobitt describes as a “trigger for margin stress”.

If short sellers had hedged or leveraged against other assets tech, crypto, etc, that collapse could force margin calls, which would lead to liquidations.. Including covering shorts like GME.
2. Chaos Theory + House of Cards III talk about leverage and cross asset exposure. If funds are using Bitcoin as collateral for short positions including GME this drop does three things:

•Devalues their collateral
•Increases margin requirements
•Can trigger a margin call or forced liquidation on their shorts.
Read 7 tweets
Mar 30
GameStop $GME and the Anatomy of a Potential Trap: 🪤

How Convertible Bonds & the “Red Swap” theory by @rnewton7777 may have caused an endgame scenario.

Breaking down Newton’s thesis, convertible arbitrage mechanics, and where this move might take GameStop next.

A thread:🧵 Image
1. Let’s start unpacking what could be one of the most significant moments in $GME history:

The issuance of $1.3B in 0% convertible notes might not just be a cash raising move..

It might have been a precision strike on legacy short positions.
2. So what is this swap theory?

The Swap Theory for years, it was believed that hidden short positions in GME have been maintained via legacy swaps, some derivatives that allow funds to remain short without appearing on the books.

These swaps often roll every 6 months. March was a major rollover window. ✔️
Read 15 tweets
Jan 29
What happened when Michael Dell, CEO of Dell Technologies transferred shares from his LLC to his name back in 2013?

Will Ryan Cohen do the same?

Short thread explaining: 🧵 Image
Michael Dell owned shares of Dell Technologies through MSD Capital, his private investment firm.

In 2013, he transferred significant shares from the LLC to his name during his attempt to take Dell private.
Why did he do that?

He consolidated ownership that strengthened his influence during the leveraged buyout (LBO).

The direct ownership gave him more personal leverage and visibility as the face of the company during negotiations back then. Image
Read 4 tweets

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