i have been working on a system to trade calls and puts directionally in place of positions in shares. calls and puts cost much less than 10% of what a position in shares would cost but their returns can be comparably far superior.
all the trades this automated system has executed have consisted of single positions, nothing synthetic:
- for downtrends, short 100 shares and long 1 -80 delta put.
- for uptrends, long 100 shares and long 1 80 delta call.
as for you referring to these divergences i have documented as slippage, the difference is of thousands of dollars over a 7 day period for the very same trades in what should be equivalent instruments and is also far greater than the entire value of the bid - ask spread for these options instruments (i'm already buying at the ask and selling at the bid because the system uses market orders). i don't think such a brutal divergence can be called slippage or explained by slippage alone.
Options have the added factor of volatility built into it that stocks do not have. Like apples vs oranges. Two different things. Also, options have leverage providing higher percentage returns relative to stocks assuming ABC stock is trending up. ABC stock could be up $5.00 and it is a $50 stock giving you a 10% gain, the option on the same ABC stock could be up 80% or more easily. When you enter a trade matters too especially, with options.