ChartBender Options Trading
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Position Composition Risk Profile @ Expiration
Shown here, both contracts are ATM. But one is usually OTM and the other ITM.
Long 1 call,  Long 1 Put

Both contracts have the same underlying, same strike price and same expiration.
Max Loss:  Total cost of the straddle, which is the cost of the long call plus the cost of the long put.
E.g., $1.50 + $1.50 = $3.00
Max Gain:  Unlimited.

Greeks-at-a-Glance
P&L caused by movement in stock price
Movement away from strike generates profits; toward strike generates losses. "Non-directional, Delta-neutrual" trade.
P&L corresponding to changes in implied volatility
Long straddles and strangles benefit from rising IV.  Falling IV is detrimental.
Time Decay
C:RR ratio is explained in "Decision Making"
Always Negative. Trader seeks a C:RR ratio above -1.00 and as close to 0.00 as possible. Gamma scalping can help to achieve this. Trader wants to minimize the cost of realized risk while waiting for expected risk compensation.