Calls Days until expiration: 10
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
PWR Feb 20 2010 7.50 — — — — — 9.70 10.40 — —
PWR Feb 20 2010 10.00 — — — — — 7.20 8.00 — —
PWR Feb 20 2010 12.50 5.80 -0.20 -3.33 5.80 5.80 4.90 5.40 5 6
PWR Feb 20 2010 15.00 2.50 0.20 8.70 2.50 2.50 2.40 2.75 10 26
PWR Feb 20 2010 17.50 0.55 0.15 37.50 0.55 0.42 0.45 0.55 40 831
PWR Feb 20 2010 20.00 0.05 — — 0.05 0.05 0.05 0.05 1 2,066
PWR Feb 20 2010 22.50 0.05 — — 0.05 0.05 0.05 0.05 27 3,106
PWR Feb 20 2010 25.00 0.05 — — 0.05 0.05 0.05 0.05 2 868
PWR Feb 20 2010 30.00 0.05 -0.35 -87.50 0.05 0.05 0.05 0.05 2 140
PWR Feb 20 2010 35.00 — — — — — 0.05 0.05 — —
PWR Feb 20 2010 40.00 — — — — — 0.05 0.05 — —
PWR Feb 20 2010 45.00 — — — — — — 0.05 — —
Puts Bold and highlighted options are "At the Money"
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
PWR Feb 20 2010 7.50 — — — — — 0.05 0.05 — —
PWR Feb 20 2010 10.00 0.03 -0.32 -91.43 0.03 0.03 0.05 0.05 10 30
PWR Feb 20 2010 12.50 0.30 -0.35 -53.85 0.30 0.30 0.05 0.05 1 31
PWR Feb 20 2010 15.00 0.10 -0.16 -61.54 0.10 0.10 0.05 0.05 3 125
PWR Feb 20 2010 17.50 0.44 -0.04 -8.33 0.44 0.44 0.35 0.45 35 2,081
PWR Feb 20 2010 20.00 2.58 -0.38 -12.84 2.58 2.58 2.30 2.65 10 2,706
PWR Feb 20 2010 22.50 4.90 0.30 6.52 4.90 4.90 4.80 5.00 3 661
PWR Feb 20 2010 25.00 6.45 1.35 26.47 6.45 6.45 7.10 7.80 4 22
PWR Feb 20 2010 30.00 8.20 — — 8.20 8.20 12.10 12.80 — —
PWR Feb 20 2010 35.00 — — — — — 17.10 17.90 — —
PWR Feb 20 2010 40.00 — — — — — 22.00 22.90 — —
PWR Feb 20 2010 45.00 — — — — — 27.00 27.90 — —
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