Algos ... they program them knowing there are suckers to buy the options that will expire worthless in no-news weeks - and especially in bogus news weeks like this one with FB - it's candy from babies. When that sucker cash dries up they'll write new algos.
They can do it - but only for so long. Eventually the cost of them to pin is higher than closing out and letting it free fall. That is when you'll see a huge drop on this stock. Not a matter of if - just a matter of when.
look at weekly derivative fraud volume they inject to manipulate every week to pin at what ever fraud strile price tey want with full proetction providedd by SEC/FINRA criminal watch parasites
The scam volume never made any other sense than Manipulation fraud with controlled and manipulated trading float by MF criminal Reed Hastings/Jay Hoag/Goldman Sachs Nexus scam gang