how I explained vol drag to a 12-year-old
start squaring a number N then seeing what happens as you multiply 2 numbers whose average equals N
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Moontower Blog
Our thinking on options, trading, investing.
how I understand the Black-Scholes formula
an intuitive way to visualize the Black-Scholes formula
the GFC through a quant's eyes
the subprime crisis from both real-world and quant perspectives
calendar spreads through the eyes of a vol trader
simulating a time spread
Betting on PLTR to $40
Vertical spreads in action
timing the market
how a trader can stop the urge to time the market
Vol drag is misunderstood...until now
Vol drag does NOT change the mean or expected return. It affects the return you are most likely to experience.
"turds floating to the surface before the flush"
liquid and levered lead while illiquid and indirect lag
Why meme stock put spreads look expensive
How vol drag influences vertical spreads
the 80/20 hack for "risk-adjusting" returns
Forecasting your actual compounded return
using elementary school geometry to explain gamma
gamma p/l is the same as distance covered via acceleration
the dirties are down the cleans are up
On June 2nd I tweeted: June expiry in USO vol change on the 3% rally... OPEC agreed over the weekend to hike production...but you saw the Ukraine-Russia developments. Competing bullish/bearish effects Vol is lower today if you look at the June surface. But it's probably up on the day on @moreproteinbars dashboard. Why? (a junior option trader interview question @bennpeifert might ask would be compute the actual vol change) An eager beaver wanted the answer key: I wouldn’t share Tina’s answ
The "most important" gambling topic and a riddle
Non-self-weighting strategy
the investment industry is a placebo
Uselessly long feedback loops mean investing is an act of faith
Netting risk, “The Hopeless”, John Arnold and more
a wide smattering of finance nerdom
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