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Debit vs credit

A debit trade costs money to open (you pay net premium); a credit trade pays you upfront (you receive net premium).

A debit trade means you pay premium up front, so money leaves your account when you open the position. A credit trade is the reverse: you collect premium and cash comes in, but you take on an obligation you must manage. In practice the label tells you where your maximum profit and maximum loss sit. When you pay a debit, that debit is usually the most you can lose, and your profit is open-ended or capped higher. When you take a credit, that credit is typically the most you can gain, while the risk can be larger.

A simple example: buying a single call is a debit trade. Pay 2.00 for the call and 2.00 (times 100) is your total risk, while gains grow if the stock rises. Selling a cash-secured put is a credit trade. You pocket the premium immediately, but you may be assigned the stock at the strike if it drops.

A common mistake is chasing credit strategies because "getting paid" feels safer. Collecting a small credit against a much larger potential loss is not automatically low risk. Always check the full profit-and-loss picture, not just whether cash moves in or out at the start.

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