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Option Greeks Positive and Negative strategies.
Gamma Summary
Gamma measures the rate of change for delta with respect to the underlying asset's price.
All long options have positive gamma and all short options have negative gamma.
The gamma of a position tells us how much a $1.00 move in the underlying will change an option’s delta.
We never hold our trades till expiration to avoid increased gamma risk.
Delta Summary
Positions with positive delta increase in value if the underlying goes up
Positions with negative delta increase in value if the underlying goes down
An option contract with a delta of 0.50 is theoretically equivalent to holding 50 shares of stock
100 shares of stock is theoretically equivalent to an option contract with a 1.00 delta
https://steadyoptions.com/articles/options-greeks/