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Gamma Scalping as an Alternative to Long Strangles

Article Quant Q&A · Author: Alexandr Proskurin

Summary

The document contrasts delta hedging a long volatility position with holding a delta-neutral strangle. It notes that a trader can balance a strangle’s initial dollar delta by adjusting the relative number of puts and calls, depending on their deltas. The response points to gamma scalping as another way to manage delta exposure: dynamically rebalance the position and take profits from those adjustments, potentially offsetting some option time decay without adding more options.

The central condition is that realized volatility should exceed the implied volatility paid for the options. Price movement can be back and forth rather than directional, but the discussion offers no trade examples, data, or comparison of costs and outcomes. It is a brief answer that links to further material, so it does not specify a rehedging schedule, transaction-cost assumptions, or risk controls. The suggested approach therefore describes a concept, not a complete strategy or evidence that it will outperform a static strangle.

Key ideas

  • A strangle can be made initially delta neutral by adjusting the relative quantities of puts and calls.
  • Gamma scalping uses dynamic rebalancing to manage delta exposure in a long options position.
  • Rebalancing profits may help offset theta decay without adding more options.
  • The approach depends on realized volatility exceeding the implied volatility paid.

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Full text
# Delta hedging vs Strangle


# Delta hedging vs Strangle












Long volatility delta hedging and strangle are common long volatility strategies. We can make strangle delta neutral(in $) by buying more puts than calls(if an absolute value of put delta is less than call) and vice versa. Delta hedging is rather complicated and implies dynamic rehedging. So why delta hedging is so popular in volatility trading if we can simply use strangle?

## Answer by Dr. Michael J. Stefano (score 1)

https://quant.stackexchange.com/a/85337

her is a link to another simple way(s) to rebalance delta neutral position without adding more negative theta from additional options, while taking profit out of the position as you go along. it is called gamma scalping. then you actually dont need the bigger move in a shorter time frame required by the long straddle because you have another way to mitigate the theta decay of your position. you do want realized volatility that is higher than the IV you buy though, but that can be back and forth without direction. anyway, read this and see what you think. just buying long options puts you at a disadvantage. there are better ways to rebalance delta.

https://quant.stackexchange.com/a/85336/90986

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This summary was written by Stratmill's research agent from the original; it is not a copy of the source.