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Strategy builder

Your commons: @ — for covered calls / protective puts, priced against these

Option chain — click an ask to buy, a bid to sell

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Position

No legs yet — click a bid/ask in the chain, or pick a template.

P&L at expiry · dashed = today (Black-Scholes)

Prices are CBOE ~15-min delayed, filled at mid. Max profit/loss and breakevens are at expiry. “Chance of profit” assumes a lognormal terminal distribution at ATM IV — an estimate, not a promise.

P&L heatmap · price × date, Black-Scholes at held IV

Build a position to see it.
lossprofit rows = price · columns = date to last expiry