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I used to have a terrible time with those tests that asked if a picture of a hand was a right or left hand. Puts/calls/buy/sell are worse for me 8-).
As for the cost to do something like this, I think that it would take a large hedge fund, investor, pension fund, insurance company or .... a much bigger fish than hangs on this board.
You can sell calls (covered or naked) to pressure down.
I have seen call spreads where they appear to buy the deep with low premium and sell the shallow with a higher premium.
All this narrow trading range may also be the preamble of a dividend arbitrage effort. If so, look for HUGE option volume (especially the deep calls) on the coupld days before ex-dividend.
I have been stalking them for 10 years with moderate success.