Oisin Maher @quantXch

Co-Founder @BollwerkAI. Tweets mainly about AI+finance. Occasional rants. bollwerk.ai Boston, MA Joined March 2022

Tweets

166
Followers

117
Following

226
Likes

600

Oisin Maher @quantXch

3 days ago

Dumbest breed of people on this planet must be cyclists without a helmet and noise-cancelling headphones. Like you can pull that shit off maybe in Copenhagen or Amsterdam; US cities not so much.

0 0 2 65 0

Oisin Maher @quantXch

a week ago

Least surprising stat – good to have anecdotal evidence confirmed.

John Burn-Murdoch @jburnmurdoch

a week ago

Least surprising stat – good to have anecdotal evidence confirmed.

28 13 228 29K 35

Download Image

0 0 0 49 0

Oisin Maher @quantXch

a week ago

Doing some more work on securities lending data @BollwerkAI

0 0 0 39 0

Download Image

Oisin Maher @quantXch

a week ago

Claude "Capacity Constraints" Opus 4.1 @AnthropicAI

0 0 1 70 0

Oisin Maher @quantXch

2 weeks ago

LLMs having a normal one this morning

0 0 0 20 0

Download Image

Oisin Maher @quantXch

2 weeks ago

Monday -> working on some new designs and improving our data pipelines.

0 0 0 13 0

Download Image

Oisin Maher @quantXch

2 weeks ago

Working on some new designs today. Happy Friday!

0 0 1 25 0

Download Image

Oisin Maher @quantXch

4 weeks ago

Gave @AnthropicAI Opus 4.1 a few routine tasks, and it managed to hallucinate an error for a low-token, low-complexity DNS question; not a very convincing start.

0 0 1 30 0

Oisin Maher @quantXch

4 weeks ago

I wonder if @MadsPosting knows that you can currently buy ZYNs for ~$1.25 in Switzerland.

0 0 1 38 0

Oisin Maher @quantXch

2 months ago

Alright that's enough

0 0 1 31 0

Download Image

First time using @GoogleAIStudio for building quick prototypes with their "Build" functionality, and it's surprisingly non-shit. Might start incorporating it more frequently into our product-building pipeline. @googlegemini well done guys

0 0 1 68 0

Download Image

Oisin Maher @quantXch

3 months ago

Gemini 2.5 Flash Lite looks interesting, but on earth happened to the factuality benchmark: Left figure is Flash 2.0, others are 2.5 Flash Lite (non-thinking + thinking).

0 0 0 191 0

Download Image

Oisin Maher @quantXch

3 months ago

That is one massive Google Cloud outage – most of our services are still stable @BollwerkAI.

0 0 0 120 0

Protos @Protos

3 months ago

🚨 MICROSTRATEGY DIRECTOR DUMPS ENTIRE STAKE Carl Rickertsen just cashed out ALL his $MSTR shares for $10M+ while the company keeps buying $BTC. When directors quietly exit, investors should pay attention. What does he know that Saylor fans don’t? 🧵

151 370 2K 308K 483

Oisin Maher @quantXch

3 months ago

Really enjoying hungover transatlantic flights on a Sunday

0 0 1 24 0

NINGI RESEARCH @NingiResearch

5 months ago

Here is our response to Vita Coco's boilerplate statement from yesterday: $COCO – Boilerplate Response, Major Supplier Bankruptcy and More Issues. We are short Vita Coco (NASDAQ: COCO). Find it why: ningiresearch.com/?p=715

2 3 23 4K 6

Hindenburg Research @HindenburgRes

9 months ago

NEW FROM US: Sezzle – A Failing "Buy Now, Pay Later" Platform Playing Short Term Tricks As Insiders Cash Out Via Stock Sales And Margin Loans hindenburgresearch.com/sezzle/ $SEZL (1/x)

47 143 1K 294K 208

FT Alphaville @FTAlphaville

a year ago

Ex-directors allege fraud at Tether-backed crypto group Northern Data on.ft.com/45PSIFJ

3 20 59 64K 9

Oisin Maher @quantXch

a year ago

Since venting about RE prices is the cool thing to do here, allow me to contribute a piece of insanity re the Zurich market: A 144m2 (1550 sq ft) *flat* is selling for $7.5+ million insideparadeplatz.ch/2024/07/05/bin…

0 0 0 69 0

Scorpion Capital @ScorpionFund

a year ago

We are short Lasertec Corp (TSE:6920) $6920, one of the largest corporate frauds in Japanese history ($23B market cap) and easily the largest outright fraud in the world by average daily volume. 330 page presentation now live in English and Japanese at scorpioncapital.com:…