how overconfidence and confirmation bias create reinforcing loops
The most prominent decision biases in investing
Education
Moontower Blog
Our thinking on options, trading, investing.
my read on the market from the option lens
Commentary on the current market
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
Why meme stock put spreads look expensive
How vol drag influences vertical spreads
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