The final week of 2025 features a major Gamma Flush, with $128 million expiring on Dec. 19 and $23.7 billion on Dec. 26. The Dec. 19 expiry is the “appetizer” while Dec. 26 is the “boss level”. ETF ...

Can you predict short-term movements in the underlying stock market using option gamma hedging? A growing community of traders believe you can … and they may be on to something. The mechanism by which ...

Anyone who trades crude oil futures has seen it happen. Price sells off hard into a round number, stalls, and then snaps violently higher. Or oil grinds higher all morning, only to reverse sharply mid ...

Now we know that market makers hedge and re-hedge their options positions in the underlying market for their near-to-expiry contracts, the next question is “what impact does all that have on the ...