Ramon Verastegui
@ramonverastegui.bsky.social
CIO @ Kairos Investment Advisors. Derivatives, Volatility, Correlation, Macro, Quant. Columbia Ph.D. No investment advice. Views are my own. RT not = Endorsement. https://linktr.ee/ramonverastegui
Fly Me to the ... A plane passes in front of the harvest supermoon. Source: John Kenny
November 22, 2025 at 9:00 PM
Fly Me to the ... A plane passes in front of the harvest supermoon. Source: John Kenny
AI chatbots are sycophants. LLMs are 50% more sycophantic than humans, nature.com/articles/d41... GPT-5 & DeepSeek-V3.1 generated sycophantic answers 29% & 70% of the time, respectively.
AI chatbots are sycophants — researchers say it’s harming science
Nature asked researchers who use artificial intelligence how its propensity for people-pleasing affects their work — and what they are doing to mitigate it.
nature.com
November 3, 2025 at 3:36 PM
AI chatbots are sycophants. LLMs are 50% more sycophantic than humans, nature.com/articles/d41... GPT-5 & DeepSeek-V3.1 generated sycophantic answers 29% & 70% of the time, respectively.
How Napoleon’s army met its doom: DNA reveals surprise illnesses had a role www.nature.com/articles/d41...
How Napoleon’s army met its doom: DNA reveals surprise illnesses had a role
Remains of some of the 300,000 soldiers who died on the retreat from Moscow reveal two bacterial diseases that probably added to the death count.
www.nature.com
November 3, 2025 at 3:28 PM
How Napoleon’s army met its doom: DNA reveals surprise illnesses had a role www.nature.com/articles/d41...
Nobel week coming up! Exciting
October 5, 2025 at 9:28 PM
Nobel week coming up! Exciting
Reposted by Ramon Verastegui
Evan Ackerman has been a thoughtful reporter on robotics for a decade or more @spectrum.ieee.org spectrum.ieee.org/humanoid-rob...
Reality Is Ruining the Humanoid Robot Hype
It takes more than building a humanoid robot to build a humanoid robot product.
spectrum.ieee.org
September 12, 2025 at 11:52 PM
Evan Ackerman has been a thoughtful reporter on robotics for a decade or more @spectrum.ieee.org spectrum.ieee.org/humanoid-rob...
Some good news for the weekend www.nature.com/articles/d41...
Your risk of dying from chronic disease has dropped — if you live in these countries
A report finds that death rates from cancer and heart disease have declined since 2010 in roughly 150 countries.
www.nature.com
September 13, 2025 at 12:02 AM
Some good news for the weekend www.nature.com/articles/d41...
I came many years ago to the US to do research at MIT on nuclear fusion and astrophysics (solar flares). I've always been in awe by the beauty of these flares.
But that beauty comes with a price here in Earth..
Source: Nature
But that beauty comes with a price here in Earth..
Source: Nature
May 30, 2025 at 6:18 PM
I came many years ago to the US to do research at MIT on nuclear fusion and astrophysics (solar flares). I've always been in awe by the beauty of these flares.
But that beauty comes with a price here in Earth..
Source: Nature
But that beauty comes with a price here in Earth..
Source: Nature
I am looking forward to speaking at the Global EQDerivatives conference in Vegas this coming Wednesday and Thursday; and meeting clients, friends and colleagues. Do not hesitate to reach out if you are attending.
May 19, 2025 at 2:57 PM
I am looking forward to speaking at the Global EQDerivatives conference in Vegas this coming Wednesday and Thursday; and meeting clients, friends and colleagues. Do not hesitate to reach out if you are attending.
Thanks @gunjanjs.bsky.social for featuring me in
@wsj.com , sharing insights on what’s fueling the market rally and ongoing volatility; as well as the great conversation
🔗 on.wsj.com/3QwEx7B
@wsj.com , sharing insights on what’s fueling the market rally and ongoing volatility; as well as the great conversation
🔗 on.wsj.com/3QwEx7B
The Wall Street Journal - Breaking News, Business, Financial & Economic News, World News and Video
Breaking news and analysis from the U.S. and around the world at WSJ.com. Politics, Economics, Markets, Life & Arts, and in-depth reporting.
on.wsj.com
May 12, 2025 at 10:31 PM
Thanks @gunjanjs.bsky.social for featuring me in
@wsj.com , sharing insights on what’s fueling the market rally and ongoing volatility; as well as the great conversation
🔗 on.wsj.com/3QwEx7B
@wsj.com , sharing insights on what’s fueling the market rally and ongoing volatility; as well as the great conversation
🔗 on.wsj.com/3QwEx7B
Reposted by Ramon Verastegui
The real history of free speech — from supreme ideal to poisonous politics
https://www.ft.com/content/d1f10dd6-501b-46fc-9c54-8b9697f0fc0f
https://www.ft.com/content/d1f10dd6-501b-46fc-9c54-8b9697f0fc0f
The real history of free speech — from supreme ideal to poisonous politics
The 300-year-old doctrine is being tested by the excesses of digital oligarchs, says historian Fara Dabhoiwala
www.ft.com
March 15, 2025 at 7:29 AM
The real history of free speech — from supreme ideal to poisonous politics
https://www.ft.com/content/d1f10dd6-501b-46fc-9c54-8b9697f0fc0f
https://www.ft.com/content/d1f10dd6-501b-46fc-9c54-8b9697f0fc0f
Reposted by Ramon Verastegui
He may not be as famous as Bill Sharpe, Ed Thorpe or Jim Simons, but Barr Rosenberg is one of the OGs of quantitative finance. Alphaville was sad to learn he passed away last month, so we wrote this tribute to “the accountant of risk”. on.ft.com/4bumJxE
RIP quant-father Barr Rosenberg
The ‘accountant of risk’ has passed away
on.ft.com
March 14, 2025 at 5:03 PM
He may not be as famous as Bill Sharpe, Ed Thorpe or Jim Simons, but Barr Rosenberg is one of the OGs of quantitative finance. Alphaville was sad to learn he passed away last month, so we wrote this tribute to “the accountant of risk”. on.ft.com/4bumJxE
“History does not repeat itself but it rhymes” (Mark Twain). 1930 www.senate.gov/artandhistor...
U.S. Senate: The Senate Passes the Smoot-Hawley Tariff
1921: The Senate Passes the Smoot-Hawley Tariff
www.senate.gov
March 5, 2025 at 2:19 AM
“History does not repeat itself but it rhymes” (Mark Twain). 1930 www.senate.gov/artandhistor...
Global macro view (from Peru)
February 24, 2025 at 1:52 AM
Global macro view (from Peru)
“We examine social science work .. concerning the existence, causes & effect of online echo chambers and consider what research can tell us about scientific discussions online & how they might shape public understanding & role of science in society” reutersinstitute.politics.ox.ac.uk/echo-chamber...
Echo chambers, filter bubbles, and polarisation: a literature review
This piece examines what social science says about these topics.
reutersinstitute.politics.ox.ac.uk
February 16, 2025 at 11:49 PM
“We examine social science work .. concerning the existence, causes & effect of online echo chambers and consider what research can tell us about scientific discussions online & how they might shape public understanding & role of science in society” reutersinstitute.politics.ox.ac.uk/echo-chamber...
Friday puzzle:
Using the numbers 1, 3, 4, 6 and the basic plus, minus, divide, multiply and brackets, and using the numbers once and only once make 24
Using the numbers 1, 3, 4, 6 and the basic plus, minus, divide, multiply and brackets, and using the numbers once and only once make 24
January 31, 2025 at 4:48 PM
Friday puzzle:
Using the numbers 1, 3, 4, 6 and the basic plus, minus, divide, multiply and brackets, and using the numbers once and only once make 24
Using the numbers 1, 3, 4, 6 and the basic plus, minus, divide, multiply and brackets, and using the numbers once and only once make 24
Apple music is providing a great product with its “track in track” editions. This version by the islandic pianist Vikingur Olafsson describing his Mozart album is sublime. classical.music.apple.com/us/playlist/...
Track by Track: Víkingur Ólafsson on Mozart & Contemporaries by Apple Music Classical
Listen in the app designed for classical.
classical.music.apple.com
January 30, 2025 at 12:39 AM
Apple music is providing a great product with its “track in track” editions. This version by the islandic pianist Vikingur Olafsson describing his Mozart album is sublime. classical.music.apple.com/us/playlist/...
January 30, 2025 at 12:16 AM
Reposted by Ramon Verastegui
DeepSeek poses a threat to the narrative that more computing power is the only thing that’ll unlock AI breakthroughs.
AI’s energy obsession just got a reality check
DeepSeek poses a threat to the narrative that more computing power is the only thing that’ll unlock AI breakthroughs.
www.technologyreview.com
January 28, 2025 at 2:23 PM
DeepSeek poses a threat to the narrative that more computing power is the only thing that’ll unlock AI breakthroughs.
Congratulations Florent Segonne for publishing Quant Basics 101: A Beginner's Guide To Quantitative Trading
This book is a tour of force. Despite the title, it's a serious reference for quantitative managers, and probably the Quant book of the year 2025 amazon.com/dp/B0DR5KJP2...
This book is a tour of force. Despite the title, it's a serious reference for quantitative managers, and probably the Quant book of the year 2025 amazon.com/dp/B0DR5KJP2...
Quant Basics 101: A Beginner's Guide To Quantitative Trading
Amazon.com: Quant Basics 101: A Beginner's Guide To Quantitative Trading: 9798361936045: Segonne, Florent: Books
amazon.com
January 28, 2025 at 5:11 AM
Congratulations Florent Segonne for publishing Quant Basics 101: A Beginner's Guide To Quantitative Trading
This book is a tour of force. Despite the title, it's a serious reference for quantitative managers, and probably the Quant book of the year 2025 amazon.com/dp/B0DR5KJP2...
This book is a tour of force. Despite the title, it's a serious reference for quantitative managers, and probably the Quant book of the year 2025 amazon.com/dp/B0DR5KJP2...
“To evaluate the overall strength of a scientific argument, you must evaluate the strength of each of the argument's pieces.” From the knowledge machine by Michael Strevens.
Nonetheless, this should apply to any argument, scientific or not.
Nonetheless, this should apply to any argument, scientific or not.
January 27, 2025 at 5:17 PM
“To evaluate the overall strength of a scientific argument, you must evaluate the strength of each of the argument's pieces.” From the knowledge machine by Michael Strevens.
Nonetheless, this should apply to any argument, scientific or not.
Nonetheless, this should apply to any argument, scientific or not.
This is definitely the news of the day www.nature.com/articles/d41...
China’s cheap, open AI model DeepSeek thrills scientists
DeepSeek-R1 performs reasoning tasks at the same level as OpenAI’s o1 — and is open for researchers to examine.
www.nature.com
January 24, 2025 at 7:35 PM
This is definitely the news of the day www.nature.com/articles/d41...
Bluesky’s science takeover: 70% of Nature poll respondents use platform www.nature.com/articles/d41... @bsky.app
Bluesky’s science takeover: 70% of Nature poll respondents use platform
Roughly 6,000 readers answered our poll, with many declaring that Bluesky was nicer, kinder and less antagonistic to science than X.
www.nature.com
January 24, 2025 at 7:26 PM
Bluesky’s science takeover: 70% of Nature poll respondents use platform www.nature.com/articles/d41... @bsky.app
Wondering why/when we have different blood types?
Ancient humans evolved new blood types after leaving Africa | Science | AAAS www.science.org/content/arti...
Ancient humans evolved new blood types after leaving Africa | Science | AAAS www.science.org/content/arti...
Ancient humans evolved new blood types after leaving Africa
Genetic study also reveals blood groups modern humans acquired from Neanderthals
www.science.org
January 24, 2025 at 6:40 PM
Wondering why/when we have different blood types?
Ancient humans evolved new blood types after leaving Africa | Science | AAAS www.science.org/content/arti...
Ancient humans evolved new blood types after leaving Africa | Science | AAAS www.science.org/content/arti...
When looking at Energy policy it's important to get the context of what are the trends and where we currently are.
January 23, 2025 at 4:10 PM
When looking at Energy policy it's important to get the context of what are the trends and where we currently are.