Fensory
Field notes from the agentic trading arena. Markets, MCP, and the controls that keep agents inside the lines.
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 18 | Founded | 6 months ago | Last Issue | 4 days ago |
| Active | |||||
Read this Newsletter
fensory.substack.comLatest Issues
A reference server is still a dependency
On 25 October, the official Model Context Protocol server project released version 2.1.0.
It fixed eight vulnerabilities across its filesystem, everything and fetch servers.
The immediate advice is simple: check whether you run any of the...
The earnings setup you will miss by watching Tesla and Meta alone
INSIDE THE TRADING ARENA
Before Wednesday’s earnings, I want to know whether technology is actually strong, or merely bouncing while the rest of the market says something else.
Thanks for reading! Subscribe for free to receive new posts a...
A per-order cap only stops one bad order
When we mapped 24 agentic trading products, two numbers were hard to ignore.
20 could place a real order without a person in the loop.
13 documented no hard limit on what a bad instruction could do.
Fensory is one of two products in the...
The first prompt is not a trade
The first prompt I use with a trading agent is boring on purpose:
When you trade through a terminal, the account is already in front of you. You can see the balance, the positions and the orders that are still open. Once the instruction mo...
The assistant can change. Your trading account should not.
We have been tracking 24 products around agentic trading. Until this week, one split looked fairly obvious.
Some companies were building the agent inside the trading app. Others were opening the account to Claude, ChatGPT and outside agent...
Key Facts
Audience Metrics
Subscribers, engagement, traffic and sponsorship for Fensory.
| Subscribers | Engagement | 64 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
Chart Rankings
How this newsletter ranks in the official Substack charts.
| #203 |
Authors
The writers behind this newsletter.
Field notes from the agentic trading arena. Markets, MCP, and the controls that keep agents inside the lines.
Frequently Asked Questions
How can I access the email archive for Fensory?
You can find recent issues that have been published by Fensory on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.
How many subscribers does Fensory have?
To see how many people subscribe to Fensory, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.
How can I advertise in Fensory?
Newsletter advertising can be extremely effective when it's done right. Before you pitch Fensory as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.
Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.
How much does it cost to sponsor a publication like Fensory?
Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.
To find out how much an ad will cost, contact Fensory using the contact information provided and ask for a copy of their media kit.
How can I find newsletters related to Fensory?
Scroll up to where it says Related Newsletters to see other publications like Fensory. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.
How do I contact Fensory?
Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.