Newsletter Thoughts

N² – n: why shorting is mathematically cursed

Recall the levered silver flows post where we see the quick math of levered ETFs. For a fund to maintain its mandated…

2 weeks ago

Moontower #310

In this issue: post-privacy: musings as we hear more about Mythos and quantum computing N² - n: why shorting is…

2 weeks ago

not all averages are created equal

What did we notice? a * b = Mean² − MAD² (where MAD = mean absolute deviation) As soon as…

2 weeks ago

From Text ➡️ Dashboards

We’ll start with some useful resources for the learners, then move to material for traders ready to do stuff. CME…

2 weeks ago

vega’s finishing move

“Vega wounds, gamma kills” is an esoteric expression that’s still common enough that you can google it and return a…

2 weeks ago

trading as a sudoku puzzle with prices as the given numbers

Trailing 1-year inflation per the CPI index has been ~2.5% Prompt CME gasoline futures (RBOB) are up 80% this year…

4 weeks ago

Moontower #309

In this issue: Investment Beginnings Class #3 and the game we played What if gasoline futures roll up to the…

4 weeks ago

a market-making project you can do today

Friends, I tweeted something the other day that I want to expand on because it’s one of those ideas that’s…

1 month ago

Moontower #308

In this issue: AI scheduled task example A rare, honest trading post-mortem Sorting through the bluster of the SpaceX IPO…

1 month ago

Fair…I can see how you might think I lied

The math here isn’t the point, although you might like it if that’s your type of thing. Just stay with…

1 month ago