Options as LEGOs

How to explain options and put-call parity to absolute beginners

shortcuts to get implied vol from a straddle

more option math tricks

what the vol spread hides

how charts oversimplify

the 2 vectors of volatility scaling

the foundation of portfolio construction

another example of vol goggles

Delta bid or vol bid?

shorter VRP lookbacks

VRP failure mode: a stale denominator

etf fair value

etf NAV and BTC

If they ban short-selling derivatives become the underlying

A reminder in the spirit of being attuned to seemingly far-fetched risks: If short selling were restricted in any way, the value of puts relative to calls on the same strike increases in a put-call parity framework. Another way to say this is being long stock is more valuable since

the inverted term structure trap

vol term structure backwardation

vol speed round

recent action

moontower raw: another day of trading

more live trading

moontower raw: things i did today and why

discussing live trades