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Show HN: OSS tool for testing out new trading thesis based on insider activity
Created a tool that ingests form 4 for a universe of stocks you define. pulls it all into a database, cleans the data e.g. planned trade vs. discretionary trade and allows you to test different trading hypothesis based on insider activities. You can backtest the different trading ideas.
Some illustrative trading ideas are cluster buys for insiders, large purchases relative to historical buys, exercise and holding rather than immediately selling, etc...
I've also designed it in a way that it can automatically trade via Alpaca API. I'm currently testing some of my own ideas via their paper trading accounts. Some promising ideas so far, buts it's only been ~4 months of trading in a relative bull market.
It's all open source. I used Railway to host it which has some minimal costs but can also host locally.
Welcome any feedback or thoughts.
Comments URL: https://news.ycombinator.com/item?id=48860562
Points: 1
# Comments: 0
Starbucks bets on AI to replace Microsoft and IBM software
Article URL: https://www.latimes.com/business/story/2026-07-09/starbucks-bets-on-ai-to-replace-microsoft-ibm-software
Comments URL: https://news.ycombinator.com/item?id=48860556
Points: 1
# Comments: 0
How to be inspired without copying
Article URL: https://www.joanwestenberg.com/p/how-to-be-inspired-without-copying
Comments URL: https://news.ycombinator.com/item?id=48860505
Points: 1
# Comments: 0
Tell HN: I De-Googled Myself
I really enjoyed the old Google, the nerd Google, the "don’t be evil" Google... Google Reader, Android, GTalk, etc. It made communication with my friends much easier.
I had already been moving everything away from the Google ecosystem for about two years, but Google Photos was the hardest part because it contained so many memories that I wouldn’t risk losing.
The final straw was when I accidentally subscribed to Google One with AI, which costs much more than simple additional storage. It’s not that much money for me, but when I found out I couldn’t downgrade, it became a matter of principle to do a Google Takeout of my photos and create a script to import them into Apple Photos (which is also not a nice company, none of them really are) without losing metadata.
I also moved them to Backblaze, where I have already had backups for more than five years, and to add even more redundancy, I backed them up to BorgBase using Borgmatic.
De-Googled! Now all my photos and videos are in the palm of my hand (~238 GB). My email client is not bloated. Well, assuming Apple doesn’t decide to shove AI down our throats in Apple Mail.
The only Google service I still pay for is YouTube. In exchange, I get zero unbearable ads, many of which promote illegal things like gambling websites. My ad blocker solves the problem on my computer, but on TV the situation is much harder, and I’m old enough to spend my time constantly finding ways around this stuff.
Comments URL: https://news.ycombinator.com/item?id=48860494
Points: 3
# Comments: 0
If you traded like the president, you'd beat the S&P
Article URL: https://www.businessinsider.com/trump-portfolio-stock-trades-beat-market-analysis-2026-7
Comments URL: https://news.ycombinator.com/item?id=48860466
Points: 1
# Comments: 0
I'm pretty sure isRecord is our fault
Article URL: https://twitter.com/tldraw/status/2075329561642840339
Comments URL: https://news.ycombinator.com/item?id=48860451
Points: 1
# Comments: 1
AI progress should upgrade our view of the human brain – not devalue it
Article URL: https://livingsystems.substack.com/p/ai-progress-should-upgrade-our-view
Comments URL: https://news.ycombinator.com/item?id=48860443
Points: 1
# Comments: 0
Mythos 5 offered outside the US by Anthropic
Article URL: https://news.sky.com/video/mythos-5-offered-outside-the-us-by-anthropic-13561860
Comments URL: https://news.ycombinator.com/item?id=48860435
Points: 1
# Comments: 0
My niche Rust project now competes with Microsoft
Article URL: https://jdiaz97.github.io/blog/my-niche-rust-project-now-competes-with-microsfot/
Comments URL: https://news.ycombinator.com/item?id=48860428
Points: 1
# Comments: 1
Goodbye Substack, Hello Tuhat
Article URL: https://tuhat.net/@sbr/p/goodbye-hello
Comments URL: https://news.ycombinator.com/item?id=48860427
Points: 1
# Comments: 0
My Visionaire MCP verifies whether agent CSS fixes rendered
Article URL: https://github.com/mi60dev/visionaire-engine
Comments URL: https://news.ycombinator.com/item?id=48860419
Points: 1
# Comments: 1
Associate Editors resign from Statistics and Computing editorial board
The ChatGPT "Super App" Sort of Super Sucks
Article URL: https://spyglass.org/chatgpt-gets-to-work/
Comments URL: https://news.ycombinator.com/item?id=48860377
Points: 2
# Comments: 0
A streaming observability ingestion pipeline with Otel, Kafka, Go and ClickHouse
Article URL: https://github.com/el10savio/obsIngest
Comments URL: https://news.ycombinator.com/item?id=48860365
Points: 1
# Comments: 0
Record before and after clips for pull request using Claude Code
Article URL: https://www.pr-preview.com
Comments URL: https://news.ycombinator.com/item?id=48860355
Points: 1
# Comments: 0
Patreon Blocks Crawlers from Stealing Creators' Work for AI Training
Article URL: https://www.404media.co/patreon-cloudflare-partnership-ai-crawlers/
Comments URL: https://news.ycombinator.com/item?id=48860346
Points: 1
# Comments: 0
Write code like a human will maintain it
Article URL: https://unstack.io/write-code-like-a-human-will-maintain-it
Comments URL: https://news.ycombinator.com/item?id=48859701
Points: 1
# Comments: 1
Show HN: LifetimeR–A memento mori wallpaper generator (life,year,goal calendars)
Article URL: https://lifetimer.vercel.app/
Comments URL: https://news.ycombinator.com/item?id=48859690
Points: 1
# Comments: 0
Successful Companies Go Blind
Article URL: https://ianreppel.org/how-successful-companies-go-blind/
Comments URL: https://news.ycombinator.com/item?id=48859678
Points: 2
# Comments: 0
Scarf has moved away from Haskell
Article URL: https://avi.press/posts/2026-07-10-after-7-years-in-production-scarf-has-reluctantly-moved-away-from-haskell.html
Comments URL: https://news.ycombinator.com/item?id=48859673
Points: 1
# Comments: 0
