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📌 Option Expiration & The Mathematical Breakdown of Pin Risk
Hey everyone, Sharing a breakdown today on a high-stakes operational challenge that trading desks often face on a Friday: Pin Risk. Here is the core breakdown: A stock settles just $0.01 in the money, and your risk position instantly jumps to 100. It settles $0.01 out of the money, and your position collapses to 0. In general, Delta tracks directional risk and Gamma its stability. But close to expiration, a mathematical breakdown near the strike price occurs, where Delta is no longer a smooth curve and exhibits a binary profile (and Gamma spikes, meaning Delta can change very rapidly). This creates a key operational challenge for a trading desk: the Hedging Disconnect. Basically, the desk cannot establish a stable hedge ratio, risking an unintended directional position. 🛠️ Hands-on inside the Sandbox To actually see this mathematical breakdown happen, open up the Market Risk Quantitative Sandbox inside our Classroom tab. 1. Go to the Equity Option Pricing and Risk module 2. Update the Time to Maturity field (30 days, 15 days, 5 days etc.) 3. Watch how the Delta curve sharpens into a step-function and Gamma violently spikes right at the strike price. 💬 Let's Discuss Below: If you are a risk manager reviewing this desk at 3:55 PM on a Friday, why is it insufficient to rely on a T-1 EOD Delta report to hedge this position? What are some ways this can be managed? Let me know your thoughts or share your sandbox screenshots in the comments!
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📌 Option Expiration & The Mathematical Breakdown of Pin Risk
Iran closes Hormuz again - 20 Jun 2026
Expecting energy, yields, dollar to rise and equities to fall on Monday. Here we go again...! In this highly uncertain environment, perhaps option trading strategies make the most sense. Though vol may be high i.e. expensive. What do you think? Share your thoughts in the comments below 👇 https://www.bbc.co.uk/news/live/c9wq95g0lx2t
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Iran closes Hormuz again - 20 Jun 2026
US-Iran Deal - 15 Jun
Great news - US and Iran had struck an interim deal that is expected to extend the ceasefire and reopen Hormuz and get the oil flowing! Markets reacted - not super big moves but noticeable: - Energy down - Yields down - Equities up The risk though is if Iran says something unexpected that puts the deal at risk. Volatility looks to remain though market looks cautiously optimistic. Thoughts anyone?
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US-Iran Deal - 15 Jun
Hey Ray Yeo, Market Risk Interview 🚀
Hey Ray Yeo 👋 Just checked out Market Risk Interview. You're still early enough to structure the community properly before growth starts kicking in — which honestly is the best possible timing. We're currently helping new Skool owners turn empty/basic communities into launch-ready ecosystems completely free. Examples + full breakdown here: 👉 Community Launch Before vs after examples below 👇
Hey Ray Yeo, Market Risk Interview 🚀
Levels to this game!
Hey everyone, to make things more interesting, I've just updated the different levels as you participate more in the community, you can get "promoted"! 😄 Also see where you are on the leaderboard! (I'm still an Off-Desk Observer lol)
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Levels to this game!
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