I think that with the number of June contracts at around 10% of the May one, one should not worry yet, and the open interest will grow quite a lot by then. The May contracts , barring other impacts, rules and it calls for the stock to be just above $32.5 by expiry to kill the heavier volume of puts in the $27.50, $30 and even $32.5 strike (there are about 600 more calls at $30, but 3000 more puts at $32.5, trumping the $30...). Between now and then, we maybe above and below that level few times....
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