EWY, the South Korea ETF, was an interesting source of disagreement in our Discord about whether the vol was expensive…
A moontower user sent this [paraphrased] message in our Discord the morning of Jan 9th: NLR [VanEck Uranium and Nuclear ETF] had…
Tweets Before we get to today’s meat, here are 2 threads spurred by oil’s advance yesterday. Delta is God…
The “Bridge of Asses” 📺Option Pricing Explained: No Arbitrage + Financial Mathematics from a Quant | 52 min watch Doug Costa (SIG…
Recall the levered silver flows post where we see the quick math of levered ETFs. For a fund to maintain its mandated…
What did we notice? a * b = Mean² − MAD² (where MAD = mean absolute deviation) As soon as…
“Vega wounds, gamma kills” is an esoteric expression that’s still common enough that you can google it and return a…
By now y’all know option traders have the ATM straddle approximation burned into their retina: straddle ≈ .8 Sσ √T…
The single biggest adjustment to get my head around when I crossed the chasm from equity options trading to commodity…
As I’ve shared here before, I spun up an investing class for middle and high school kids locally. I am…