VIX May Calls Expire Wed May 21, some people might be surprised to learn this:
May 21 2008 Calls | 2 Days to Expiration
Symbol Bid Ask Type Last Change Vol Op Int
+VIXEP 2.20 2.40 S 5.80 0.00 0 407
+VIXEC 1.20 1.40 S 1.35 -0.70 144 2,475
+VIXEQ 0.45 0.50 S 0.51 -0.74 641 1,351
+VIXER 0.15 0.20 S 0.20 -0.35 1,701 3,711
+VIXES 0.05 0.10 S 0.10 -0.10 1,124 7,040
+VIXET -- 0.10 S 0.05 -0.10 1,683 12,607