C Options History — May 2013

In May 2013, C traded between $45.87 and $53.27. ATM implied volatility averaged 23.7%, placing in the 5.4% IV rank vs the trailing year. The 30-day expected move averaged 6.8%. IV traded above realized volatility by 1.2% (HV 20d: 22.5%). Max pain ranged from $42.00 to $52.50. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 13 of 22 days. Put/call ratio averaged 0.89.

Notable Days

  • 2013-05-31: Highest Volume — 230,279 contracts
  • 2013-05-22: Largest IV spike — 9.5% change
  • 2013-05-31: Highest IV Rank — 14.8%
  • 2013-05-31: Largest Expected Move — 7.8%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$49.94$45.87$53.27$45.87$51.99
Max Pain$46.93$42.00$52.50$47.50$52.50
ATM IV23.7%21.8%27.0%23.8%27.0%
Expected Move6.8%6.2%7.8%6.8%7.8%
HV 20d22.5%20.0%24.5%23.6%23.4%
HV 60d25.2%23.8%26.3%25.8%24.5%
IV Rank5.4%0.0%14.8%5.5%14.8%
IV Percentile11.5%0.0%29.0%10.3%29.0%
Term Structure0.4%-1.2%2.1%0.2%-0.4%
VWIV24.0%22.3%26.8%24.8%26.8%
Skew 25d2.9%2.3%3.8%3.8%2.8%
Skew 10d6.8%5.2%11.1%8.8%5.8%
Call IV 25d22.7%20.4%26.2%22.5%26.2%
Put IV 25d25.6%23.5%29.1%26.3%29.1%
Bid-Ask Spread %7.043.5211.427.979.56
Gamma HHI0.170.100.230.100.13
Net GEX44.2M30.0M62.8M30.0M50.0M
Net DEX-2.73B-3.68B-1.53B-1.53B-3.14B
Net VEX-15.8M-17.9M-14.9M-15.8M-17.4M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.890.471.350.901.09
Total Volume128,734.59150,954230,279108,971230,279
Total OI2,235,676.0452,044,3802,469,4712,044,3802,469,471

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2013-05-01$45.87$47.5023.8%6.8%23.6%5.5%24.8%3.8%0.2%30.0M-1.53B-15.8M0.907.9757,37051,601975,5281,068,852
2013-05-02$46.54$47.0023.3%6.6%23.9%3.8%23.2%3.5%0.9%37.2M-1.74B-15.6M0.747.8847,99535,423971,9361,092,644
2013-05-03$46.97$46.5021.8%6.2%24.0%0.0%22.4%3.1%0.6%62.8M-1.94B-15.5M1.286.8239,31450,176982,7481,101,733
2013-05-06$47.48$47.0022.3%6.4%23.9%1.4%22.4%3.7%0.6%38.2M-2.01B-15.2M0.477.8075,78935,269963,2371,102,155
2013-05-07$48.11$47.0022.3%6.4%24.1%1.4%22.7%3.3%-0.3%51.8M-2.29B-15.1M0.638.8174,35646,983995,6401,100,539
2013-05-08$49.29$47.5022.7%6.5%23.8%2.5%22.6%3.1%-0.1%53.5M-2.72B-14.9M1.2110.4088,420107,3401,014,8721,121,345
2013-05-09$48.60$47.5022.6%6.5%24.5%2.1%22.3%2.4%-0.4%55.6M-2.53B-15.0M1.359.0545,29960,9511,030,9651,175,637
2013-05-10$48.75$47.5022.4%6.4%24.4%1.6%22.6%2.3%-0.1%46.6M-2.60B-15.0M0.925.8433,38130,6961,043,9671,180,625
2013-05-13$48.92$47.5023.1%6.6%24.4%3.6%23.1%2.6%0.0%48.4M-2.54B-15.0M1.255.6822,68328,2711,021,1151,174,062
2013-05-14$50.09$47.5022.7%6.5%22.0%2.5%22.3%2.8%0.5%46.0M-2.91B-15.0M0.6310.87102,77264,8191,024,9811,186,035
2013-05-15$51.34$47.5024.4%7.0%21.4%7.3%24.6%2.3%0.0%41.6M-3.31B-15.5M0.6911.42119,47582,0851,069,2451,214,920
2013-05-16$50.61$0.0023.8%6.8%21.4%5.6%23.9%2.4%0.3%44.3M-3.10B-15.6M1.144.5742,93148,7911,076,1001,235,442
2013-05-17$51.45$52.0023.2%6.7%21.5%3.9%23.4%2.6%-1.2%42.2M-3.38B-14.9M0.805.9458,59946,8231,084,6791,253,577
2013-05-20$51.60$42.0023.0%6.5%21.5%3.5%23.5%2.7%2.1%41.8M-3.04B-15.7M0.854.8266,42756,5281,019,4861,158,750
2013-05-21$51.66$42.0023.4%6.7%20.0%4.4%25.2%2.8%1.7%42.0M-3.08B-15.4M0.935.1948,85445,3871,039,6871,184,485
2013-05-22$51.00$42.0025.6%7.3%20.7%10.8%25.1%2.9%1.5%36.4M-2.87B-15.8M0.783.52107,95784,6411,048,2731,203,313
2013-05-23$50.53$42.0025.3%7.2%21.2%9.8%25.6%2.8%-0.0%30.7M-2.63B-17.1M0.955.3193,47688,7161,072,4191,234,155
2013-05-24$50.52$42.0024.7%7.1%21.0%8.2%25.5%2.9%-0.1%35.3M-2.61B-17.9M0.874.7763,53855,0361,105,0421,262,921
2013-05-28$51.79$49.0024.2%7.0%22.2%6.9%24.7%2.9%1.0%41.5M-3.08B-16.6M0.725.5764,21046,2171,100,2141,243,374
2013-05-29$52.28$50.0024.6%7.0%22.0%7.8%24.9%2.9%1.7%47.5M-3.27B-16.5M0.767.2957,30443,4571,116,3871,259,392
2013-05-30$53.27$52.0026.0%7.5%20.7%12.0%26.5%2.8%0.1%49.7M-3.68B-16.1M0.585.77115,55566,9671,130,8301,274,095
2013-05-31$51.99$52.5027.0%7.8%23.4%14.8%26.8%2.8%-0.4%50.0M-3.14B-17.4M1.099.56110,160120,1191,162,5581,306,913