| Calls | Days until expiration: 10 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Symbol & Strike | Last | Chng | %Chng | High | Low | Bid | Ask | Volume | Open Int | |
| GRS Feb 20 2010 7.50 | 1.65 | 0.20 | 13.79 | 1.65 | 1.65 | 1.85 | 2.10 | 3 | 4 | |
| GRS Feb 20 2010 10.00 | 0.25 | 0.10 | 66.67 | 0.25 | 0.10 | 0.15 | 0.25 | 475 | 1,400 | |
| GRS Feb 20 2010 12.50 | 0.10 | 0.05 | 100.00 | 0.10 | 0.10 | 0.10 | 0.10 | 2 | 266 | |
| GRS Feb 20 2010 15.00 | 0.02 | -0.07 | -77.78 | 0.02 | 0.02 | 0.05 | 0.10 | 15 | 172 | |
| GRS Feb 20 2010 17.50 | — | — | — | — | — | — | 0.10 | — | — | |
| Puts | Bold and highlighted options are "At the Money" | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Symbol & Strike | Last | Chng | %Chng | High | Low | Bid | Ask | Volume | Open Int | |
| GRS Feb 20 2010 7.50 | 0.02 | -0.08 | -80.00 | 0.02 | 0.02 | 0.05 | 0.10 | 6 | 188 | |
| GRS Feb 20 2010 10.00 | 0.75 | -0.37 | -33.04 | 0.75 | 0.75 | 0.70 | 0.80 | 20 | 345 | |
| GRS Feb 20 2010 12.50 | 2.04 | 0.24 | 13.33 | 2.04 | 2.04 | 2.75 | 3.40 | 34 | 195 | |
| GRS Feb 20 2010 15.00 | 2.95 | — | — | 2.95 | 2.95 | 5.10 | 5.90 | — | — | |
| GRS Feb 20 2010 17.50 | — | — | — | — | — | 7.90 | 8.20 | — | — | |
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