Same as @htooms - I bought Steem the other day (with some BTC leftovers from some other transactions) for 530 Satoshi per Steem.
As it seems now, I picked the right time to buy by pure luck, although I was thinking it would be wise to invest in it at that low price.

Regarding some predictions, it's really hard to say what is going to be. It seems like gambling to me. Despite that, personally, I think it would lower down again, but when, how much and for how long that's really hard to tell.

Never the less, I don't know where from did you took the chart above, which shows that Steem already reached the price of 3,000 Satoshi per Steem, but if you are interested in buying some, on Livecoin Exchange you may still find it at price around 1,600 Satoshi.