A brief illustrated history of ShortBTCD, for anyone curious about how the pricing plays out.

https://pbs.twimg.com/media/BxWe6mDCEAA5MZT.png

(Note: the plots only show the daily reference price for BTCD/BTC and ShortBTCD, not the intraday fluctuations (except the last price point, which is current intraday), which is why you can get trades that deviate from the daily markers.)