Calls Days until expiration: 10
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
ALTR Feb 20 2010 15.00 6.70 — — 6.70 6.70 6.70 7.30 32 —
ALTR Feb 20 2010 17.00 — — — — — 4.80 5.30 — —
ALTR Feb 20 2010 18.00 4.60 0.30 6.98 4.60 4.60 3.80 4.30 30 40
ALTR Feb 20 2010 19.00 3.10 0.80 34.78 3.10 3.10 2.90 3.10 240 41
ALTR Feb 20 2010 20.00 2.00 0.55 37.93 2.10 2.00 1.95 2.10 20 423
ALTR Feb 20 2010 21.00 1.10 -0.15 -12.00 1.10 1.05 1.05 1.15 261 1,856
ALTR Feb 20 2010 22.00 0.50 -0.05 -9.09 0.55 0.40 0.40 0.45 339 2,782
ALTR Feb 20 2010 23.00 0.05 — — 0.05 0.05 0.05 0.15 100 3,027
ALTR Feb 20 2010 24.00 0.05 -0.05 -50.00 0.05 0.05 0.05 0.05 200 679
ALTR Feb 20 2010 25.00 0.25 0.01 4.17 0.30 0.25 0.05 0.05 43 109
ALTR Feb 20 2010 26.00 0.15 — — 0.15 0.15 0.05 0.05 10 17
ALTR Feb 20 2010 27.00 — — — — — 0.05 0.05 — —
Puts Bold and highlighted options are "At the Money"
Symbol & Strike Last Chng %Chng High Low Bid Ask Volume Open Int
ALTR Feb 20 2010 15.00 — — — — — — 0.05 — —
ALTR Feb 20 2010 17.00 — — — — — — 0.05 — —
ALTR Feb 20 2010 18.00 0.04 — — 0.04 0.04 0.05 0.05 10 10
ALTR Feb 20 2010 19.00 0.10 -0.07 -41.18 0.10 0.10 0.05 0.05 150 215
ALTR Feb 20 2010 20.00 0.05 -0.15 -75.00 0.05 0.05 0.05 0.10 5 968
ALTR Feb 20 2010 21.00 0.15 -0.10 -40.00 0.22 0.15 0.10 0.20 150 2,010
ALTR Feb 20 2010 22.00 0.45 -0.20 -30.77 0.55 0.40 0.45 0.55 316 1,288
ALTR Feb 20 2010 23.00 1.10 0.10 10.00 1.10 1.10 1.10 1.20 20 3,629
ALTR Feb 20 2010 24.00 2.50 0.25 11.11 2.50 2.50 1.95 2.15 40 394
ALTR Feb 20 2010 25.00 3.25 — — 3.25 3.25 2.95 3.20 — 114
ALTR Feb 20 2010 26.00 — — — — — 3.70 4.30 — —
ALTR Feb 20 2010 27.00 5.00 — — 5.00 5.00 4.70 5.30 10 10
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