Cliffs Natural Resources (NY: CLF)
21.17 USD  +0.48 (+2.32%)
Official Closing Price  /  Updated: 4:15 PM EDT, May 20, 2013  /  Add to My Watchlist      
CALL Options - May 24 2013
Symbol Strike Price Change $ Bid Ask Volume Open Interest
CLF130524C00019500 19.50 1.700 +0.19 1.720 1.780 192 104
CLF130524C00020000 20.00 1.330 +0.30 1.310 1.350 733 371
CLF130524C00020500 20.50 0.8200 +0.09 0.9200 0.9600 431 401
CLF130524C00021000 21.00 0.6200 +0.12 0.6100 0.6400 1,346 964
CLF130524C00021500 21.50 0.3900 +0.07 0.3700 0.4000 2,431 742
CLF130524C00022000 22.00 0.2300 +0.00 0.2300 0.2500 1,344 1,190
CLF130524C00022500 22.50 0.1500 +0.01 0.1200 0.1500 549 297
CLF130524C00023000 23.00 0.1000 +0.00 0.0700 0.0800 158 836
PUT Options - May 24 2013
Symbol Strike Price Change $ Bid Ask Volume Open Interest
CLF130524P00019500 19.50 0.1100 -0.13 0.0900 0.1000 300 978
CLF130524P00020000 20.00 0.1600 -0.19 0.1600 0.1700 627 2,289
CLF130524P00020500 20.50 0.2800 -0.28 0.2600 0.2800 362 535
CLF130524P00021000 21.00 0.4600 -0.27 0.4500 0.4700 649 2,043
CLF130524P00021500 21.50 0.7400 -0.30 0.7200 0.7400 61 342
CLF130524P00022000 22.00 1.090 -0.34 1.060 1.090 123 533
CLF130524P00022500 22.50 1.650 -0.27 1.460 1.500 221 67
CLF130524P00023000 23.00 2.050 -0.18 1.900 1.950 20 349
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