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Open interest, implied volatility, max pain, build-ups. These terms come up constantly and get explained badly. Each page here covers one concept, in plain language, with the limits stated as clearly as the definitions.
The four build-up states, and what each one meansHow price and open interest combine into four states, and why two of them look identical on a chart.Read article ›
Reading an option chain, column by columnWhat every column in the option chain measures, and the order to read them in.Read article ›
What max pain actually measuresThe strike where option buyers collectively lose the most, and why that number moves.Read article ›
What the put-call ratio is actually telling youWhat PCR measures, why the aggregate number misleads, and why strike-wise is more useful.Read article ›
What a wall of open interest describesWhy heavy open interest at a strike gets called support or resistance, and what it really shows.Read article ›
The Greeks, in the order they matterDelta, gamma, theta and vega, what each separates out, and how they interact.Read article ›
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