C Options History — May 2018

In May 2018, C traded between $65.64 and $72.82. ATM implied volatility averaged 18.9%, placing in the 15.4% IV rank vs the trailing year. The 30-day expected move averaged 5.5%. IV traded below realized volatility by 2.2% (HV 20d: 21.1%). Max pain ranged from $69.50 to $70.00. Net GEX was positive for 17 of 22 trading days. Term structure was in contango for 18 of 22 days. Put/call ratio averaged 0.66.

Notable Days

  • 2018-05-29: Highest Volume — 213,349 contracts
  • 2018-05-29: Largest IV spike — 23.7% change
  • 2018-05-29: Highest IV Rank — 43.6%
  • 2018-05-29: Largest Expected Move — 6.9%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$69.82$65.64$72.82$68.13$66.70
Max Pain$69.98$69.50$70.00$70.00$69.50
ATM IV18.9%17.4%23.1%19.3%21.3%
Expected Move5.5%5.0%6.9%5.7%6.2%
HV 20d21.1%16.7%25.4%25.4%25.2%
HV 60d25.5%24.6%28.0%28.0%26.2%
IV Rank15.4%5.7%43.6%18.6%31.3%
IV Percentile33.6%9.9%88.9%43.3%76.2%
Term Structure0.3%-0.6%1.4%0.1%-0.6%
VWIV19.4%17.5%23.8%21.1%21.4%
Skew 25d2.3%1.5%3.8%2.6%2.4%
Skew 10d3.7%-3.5%6.7%5.5%5.8%
Call IV 25d18.1%16.5%21.8%18.4%20.6%
Put IV 25d20.4%18.3%25.5%21.0%23.0%
Bid-Ask Spread %5.202.7410.6010.608.27
Gamma HHI0.130.090.360.090.10
Net GEX47.7M-19.1M117.8M1.5M-84.1K
Net DEX-290.8M-1.87B1.30B707.6M868.8M
Net VEX-14.7M-15.8M-13.3M-14.0M-14.5M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.660.430.900.650.60
Total Volume109,986.86470,222213,34993,820109,139
Total OI1,699,648.9551,551,7811,807,1581,640,3671,807,158

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2018-05-01$68.13$70.0019.3%5.7%25.4%18.6%21.1%2.6%0.1%1.5M707.6M-14.0M0.6510.6057,01036,810925,201715,166
2018-05-02$68.35$70.0018.5%5.5%24.8%13.4%19.9%2.7%0.5%3.8M612.3M-14.1M0.708.4341,76129,094934,006734,429
2018-05-03$67.83$70.0019.5%5.8%24.2%19.7%20.2%2.4%0.0%-12.9M805.4M-14.1M0.584.9371,46641,129939,225743,214
2018-05-04$68.07$70.0018.9%5.7%22.1%15.5%20.0%2.0%0.5%-10.5M656.8M-14.2M0.432.9556,28724,258945,404760,662
2018-05-07$68.52$70.0020.2%6.1%20.8%24.4%20.9%2.2%1.2%19.6M354.9M-14.4M0.474.0356,41026,522920,919731,070
2018-05-08$70.96$70.0019.0%5.8%24.1%16.6%19.8%2.3%1.3%82.1M-855.4M-15.4M0.534.54120,70564,173951,791735,744
2018-05-09$71.79$70.0018.9%5.5%24.2%15.4%20.2%1.5%0.4%94.4M-1.28B-15.8M0.902.7456,36350,948972,653752,292
2018-05-10$72.57$70.0018.1%5.4%21.6%10.7%18.7%1.8%0.9%102.6M-1.67B-15.7M0.573.8664,91236,912978,525759,533
2018-05-11$72.82$70.0017.4%5.2%18.1%5.7%18.5%1.8%1.4%117.8M-1.87B-15.7M0.693.3760,41541,523985,480766,395
2018-05-14$72.67$70.0017.4%5.0%18.2%5.7%18.0%1.9%0.3%103.8M-1.66B-15.1M0.776.7147,54136,516972,620760,255
2018-05-15$72.51$70.0018.3%5.3%18.1%11.6%18.4%2.5%-0.2%104.2M-1.47B-15.7M0.597.7950,96030,181986,204767,606
2018-05-16$72.01$70.0017.8%5.1%17.5%8.5%18.2%2.3%0.4%90.7M-1.24B-15.4M0.773.4739,57930,643994,899774,155
2018-05-17$71.50$70.0017.6%5.0%16.7%6.9%17.9%2.3%0.6%64.8M-931.3M-15.1M0.743.6846,31634,3221,001,182778,911
2018-05-18$70.00$70.0018.5%5.3%18.3%13.3%18.3%2.8%0.0%114.9M-203.0M-14.6M0.682.9781,37955,2721,007,790783,505
2018-05-21$70.40$70.0017.8%5.0%18.2%8.2%17.7%2.2%0.4%43.9M-514.4M-14.6M0.683.3353,04935,981890,781661,000
2018-05-22$71.22$70.0017.4%5.0%18.0%6.0%17.5%2.1%0.3%59.3M-875.8M-14.8M0.624.1658,77836,159903,850672,767
2018-05-23$70.02$70.0018.3%5.3%19.1%11.6%18.2%2.4%0.2%46.4M-329.4M-14.8M0.536.5870,48937,188917,153675,336
2018-05-24$69.33$70.0018.0%5.1%19.4%9.7%18.6%2.4%0.2%40.4M-60.9M-14.4M0.724.7190,41664,969938,729682,491
2018-05-25$68.43$70.0018.7%5.2%19.9%14.3%18.3%2.1%0.3%5.6M319.4M-14.3M0.777.1589,01868,484966,460712,143
2018-05-29$65.64$70.0023.1%6.9%24.7%43.6%23.8%3.8%-0.6%-19.1M1.30B-13.3M0.666.66128,20785,142970,597729,138
2018-05-30$66.58$70.0020.8%5.9%25.2%27.9%20.9%2.6%-0.6%-2.7M933.5M-14.1M0.883.5355,06448,2211,022,414763,424
2018-05-31$66.70$69.5021.3%6.2%25.2%31.3%21.4%2.4%-0.6%-84.1K868.8M-14.5M0.608.2768,31140,8281,032,101775,057