the easiest win in options is for stock traders

how NOT to incinerate money

Learn put/call parity with this free game

The speed game we played as we learned put/call parity

Explaining gamma with a simple simulator

An interactive simulator to understand gamma scalping and delta hedging

shadow theta

continuation of the discussion on time spreads through the eyes of a vol trader

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

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