C Options History — August 2017

In August 2017, C traded between $66.00 and $69.34. ATM implied volatility averaged 18.3%, placing in the 13.6% IV rank vs the trailing year. The 30-day expected move averaged 5.2%. IV traded above realized volatility by 1.8% (HV 20d: 16.5%). Max pain ranged from $65.00 to $65.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 20 of 23 days. Put/call ratio averaged 0.75.

Notable Days

  • 2017-08-02: Highest Volume — 329,821 contracts
  • 2017-08-14: Largest IV drop — 14.0% change
  • 2017-08-11: Highest IV Rank — 35.9%
  • 2017-08-11: Largest Expected Move — 6.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$67.86$66.00$69.34$69.34$68.01
Max Pain$65.00$65.00$65.00$65.00$65.00
ATM IV18.3%16.8%21.3%16.8%18.3%
Expected Move5.2%4.7%6.0%4.7%5.1%
HV 20d16.5%14.4%19.1%14.4%14.7%
HV 60d16.9%15.9%18.2%17.5%15.9%
IV Rank13.6%1.8%35.9%2.2%13.4%
IV Percentile15.1%2.0%48.8%2.0%15.1%
Term Structure0.3%-0.6%1.0%-0.1%0.5%
VWIV18.7%14.9%22.7%17.1%19.0%
Skew 25d2.8%1.5%4.5%1.7%3.3%
Skew 10d6.1%3.0%9.4%3.3%6.3%
Call IV 25d17.4%16.2%20.1%16.6%16.9%
Put IV 25d20.2%18.1%23.8%18.2%20.1%
Bid-Ask Spread %2.941.384.992.124.42
Gamma HHI0.180.140.230.190.17
Net GEX115.1M61.2M170.3M149.2M127.3M
Net DEX-2.05B-3.30B-1.15B-3.30B-2.03B
Net VEX-15.7M-16.6M-15.1M-15.1M-15.1M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.750.171.250.370.97
Total Volume105,420.8755,388329,821116,47264,291
Total OI1,650,717.6961,584,8031,792,2241,640,8331,643,151

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2017-08-01$69.34$65.0016.8%4.7%14.4%2.2%17.1%1.7%-0.1%149.2M-3.30B-15.1M0.372.1285,14931,323969,481671,352
2017-08-02$69.22$65.0016.8%4.7%14.4%1.8%14.9%1.7%0.2%170.3M-3.30B-15.4M0.172.85282,97846,843991,554676,442
2017-08-03$68.07$65.0017.0%5.1%15.2%3.3%18.7%2.2%0.2%111.8M-2.10B-15.4M0.702.7174,26752,048887,477697,326
2017-08-04$68.96$65.0017.4%5.1%15.8%6.4%18.4%1.5%0.1%158.2M-2.54B-15.7M0.423.96126,02152,836909,645720,571
2017-08-07$69.08$65.0017.3%5.1%15.8%5.6%18.2%1.8%0.3%131.0M-2.60B-15.6M0.691.3837,63125,864903,804699,342
2017-08-08$69.03$65.0017.7%5.2%15.0%8.5%18.9%1.8%0.4%128.0M-2.53B-15.9M0.462.0672,19432,853910,158705,928
2017-08-09$68.21$65.0018.5%5.5%15.8%14.5%20.6%1.9%0.7%113.3M-2.16B-16.0M0.701.8855,22138,903919,524715,231
2017-08-10$67.35$65.0020.6%5.9%16.5%30.2%22.7%3.4%0.2%93.4M-1.76B-16.3M0.733.2679,59158,237935,297728,391
2017-08-11$66.86$65.0021.3%6.0%16.7%35.9%22.0%3.4%-0.6%74.4M-1.54B-16.5M0.912.7355,52650,421970,128757,694
2017-08-14$67.99$65.0018.4%5.3%17.7%13.7%17.7%3.3%0.1%129.0M-2.08B-15.8M0.751.8245,02133,848941,673751,299
2017-08-15$68.24$65.0018.6%5.3%17.7%15.5%18.8%2.6%-0.1%137.9M-2.27B-15.8M0.911.6950,11245,530948,309755,797
2017-08-16$67.62$65.0018.1%5.2%18.0%11.3%18.7%3.3%0.8%118.2M-1.89B-15.7M0.863.1947,26540,475956,052768,726
2017-08-17$66.69$65.0020.3%5.8%18.7%28.3%21.2%4.5%1.0%75.5M-1.42B-16.6M0.853.4762,91153,173972,239781,249
2017-08-18$66.86$65.0019.1%5.4%18.5%18.9%19.3%4.0%1.0%94.0M-1.46B-16.3M1.061.8550,51553,488997,582794,642
2017-08-21$66.00$65.0019.1%5.4%19.1%19.4%19.2%3.4%0.5%61.2M-1.15B-15.9M0.442.0177,40734,285859,865724,987
2017-08-22$66.82$65.0018.1%5.1%16.7%11.6%18.1%2.9%0.4%86.9M-1.50B-15.5M1.133.0830,28734,322854,691732,953
2017-08-23$67.30$65.0017.8%5.0%17.0%9.8%17.1%3.1%0.3%103.6M-1.71B-15.5M0.773.5738,06629,497861,285744,205
2017-08-24$67.73$65.0018.4%5.3%17.0%14.1%18.9%3.1%0.0%121.9M-1.92B-15.6M0.723.0154,34739,116875,036752,517
2017-08-25$68.07$65.0017.6%4.8%17.1%8.4%16.6%2.9%0.5%131.5M-2.13B-15.5M0.794.0249,17938,698883,026757,225
2017-08-28$67.80$65.0018.0%5.0%16.1%10.8%17.1%3.1%0.3%107.4M-1.86B-15.6M1.253.4324,58530,803862,439740,158
2017-08-29$67.57$65.0018.5%5.1%15.5%14.9%18.5%3.5%0.3%101.9M-1.75B-15.6M0.804.0142,41333,765865,605744,947
2017-08-30$68.07$65.0018.4%5.2%15.8%13.6%18.9%3.0%0.4%120.6M-2.04B-15.2M0.734.9936,54226,833875,338752,166
2017-08-31$68.01$65.0018.3%5.1%14.7%13.4%19.0%3.3%0.5%127.3M-2.03B-15.1M0.974.4232,61431,677882,489760,662