Ask Me Anything with Euan Sinclair 19 June 2025
In this Ask Me Anything, Euan addressed the following questions: We didn’t have time for all the questions, but Euan will be doing more of these in the future. Here’s the replay:
options
From the Pits to the Page: A Conversation with Kris Abdelmessih
It was my absolute pleasure to chat with Kris Abdelmessih about markets and life. Kris was an options market maker who started out in the trading pits of New York and later flipped the script to set up the commodity options business for hedge fund Parallax Advisory. Today, Kris writes the Moontower newsletter on Substack …
Intuitive Options Pricing
In this article, we’ll use simulation and simple visualisations to build intuition around how different variables drive the price of an option. Building this intuition is important because it helps you react quickly and make decisions without relying on complex pricing models. Let’s get to it. The value of a call option at expiration A …
Pricing a Sports Bet like an Option
This post assumes basic knowledge of Options and Mathematical Expectation. Most of the features that you observe about options are simply due to the fact that they are expiring bets. And the features we observe in option pricing are observed in any other expiring bet. The complicated maths and terminology that surround options can make it …
Portfolio Hedging with Put Options
Read the previous parts of this 101 series on options: There are 2 good reasons to buy put options: Because you think they are cheap Because you want downside protection. You want to use the skewed payoff profile to protect a portfolio against large downside moves without capping your upside too much. The first requires …
Options Trading with Cross-Sectional Volatility Factors
A few years ago, I got deep into the idea of constructing a long/short equity options portfolio based on the kind of simple factor sorts that had been so successful in quant equity. My original intention was to set up an index and license it to fund managers. Of course, there are many reasons why …
Rules of Thumb for Trading Equity Options
If you trade liquid stocks or futures contracts, the first thing you will notice about equity options trading is that the contracts are illiquid and the bid/ask spread is wide. This sucks, but it makes perfect sense. There is only one AAPL stock to trade, but there are a ton of different options contracts trading …
Trading 0DTE Options with the IBKR Native API
Here’s a thing that I suspect will make money, but that I haven’t yet tested (for reasons that I will explain shortly): Every day, at the start of the trading day, get the SPX straddle price and convert it to an expected SPX price move. Then at the end of the trading day, take the …
The Art and Science of Trading Carry
Let’s talk about carry trades. First, what exactly is a carry trade? A carry trade is a trade that pays you to hold it. A position where, if nothing changes except the passing of time, you expect to make money. Let’s go through some examples. FX carry The classic example is the FX carry trade, …
Beyond Stocks: The Surprising Volatility Returns of Oil and Gold
I’ve previously discussed the Volatility Risk Premium (VRP) and how it differs from the Equity Risk Premium (ERP). Probably the most interesting difference, from the perspective of the trader, is that the VRP may be somewhat amenable to timing – more than the ERP at any rate. In this article, I’ll use some of the …
