I'm not so sure that this data is correct, does it really move that fast?

Prevailing Interest Rates as of Tue, 10 Apr 2012 19:04:52 +0000
Currency    Bitcoinica Buy    Bitcoinica Sell
Daily Pip    APY    Daily Pip    APY
BTC    0.0    0.0%    0.0    0.0%
USD    1.37    5.12%    5.0    20.02%

Effective hourly swap points for BTC/USD positions (per $10,000)
Long Position    -$0.21
Short Position    $0.06