OP: There are many flaws in your strategy. Not only do you incur gap risk, which was already identified, but you incur the potential for death by a thousand cuts selling 100% of the underlying stock every tick < entry price, buying it back every tick over. Throw in you will be giving up the bid/ask spread each time and paying commissions and its probably a break even strategy at best. No different than delta hedging imo.
" No different than delta hedging imo. " It's a big difference due to lack of delta hedging by the strategy! imo
Say, if 50% of all trades end up closing at around 0.60 delta ITM on average at expiration, the under-hedge loss of 0.40 delta per trade with the 100 stocks would produce a gross loss for the year.
A similar problem would exist also when using initially 100 stocks for 2 options due to nonlinear issue for a loss of 0.20 delta (0.60deltax2 or 1.20 delta with options - 1.00 delta with stocks) per trade with the 2 options, considering as a static hedge scenario. Just 2 cents!
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as the US has mostly only the indices as European Style.
