S Options History — August 2017

In August 2017, S traded between $8.06 and $8.84. ATM implied volatility averaged 40.3%, placing in the 20.5% IV rank vs the trailing year. The 30-day expected move averaged 11.6%. IV traded below realized volatility by 3.6% (HV 20d: 43.9%). Max pain ranged from $8.00 to $8.50. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 16 of 23 days. Put/call ratio averaged 0.90.

Notable Days

  • 2017-08-01: Highest Volume — 52,506 contracts
  • 2017-08-02: Largest IV drop — 9.9% change
  • 2017-08-01: Highest IV Rank — 45.2%
  • 2017-08-01: Largest Expected Move — 14.1%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$8.36$8.06$8.84$8.84$8.26
Max Pain$8.13$8.00$8.50$8.00$8.50
ATM IV40.3%35.2%49.2%49.2%35.2%
Expected Move11.6%9.2%14.1%14.1%9.2%
HV 20d43.9%25.0%48.4%45.9%25.0%
HV 60d37.5%35.2%40.7%40.2%35.2%
IV Rank20.5%6.5%45.2%45.2%6.5%
IV Percentile14.5%1.2%48.8%48.8%1.2%
Term Structure0.6%-7.9%3.2%-7.9%0.9%
VWIV41.8%32.1%49.9%49.9%32.1%
Skew 25d0.8%-2.5%3.3%-2.5%1.2%
Skew 10d-0.2%-10.6%11.6%-3.7%-4.8%
Call IV 25d41.9%34.8%50.3%50.3%36.5%
Put IV 25d42.7%37.2%48.3%47.8%37.7%
Bid-Ask Spread %5.582.7715.1910.322.77
Gamma HHI0.220.160.270.200.25
Net GEX1.5M578.2K2.7M2.7M787.7K
Net DEX-66.0M-115.7M-34.7M-115.7M-45.6M
Net VEX-760.2K-821.5K-709.0K-742.4K-709.0K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.900.132.111.030.59
Total Volume23,861.6969,40052,50652,50611,233
Total OI755,385.913673,193827,697744,056722,306

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2017-08-01$8.84$8.0049.2%14.1%45.9%45.2%49.9%-2.5%-7.9%2.7M-115.7M-742.4K1.0310.32N/AN/A25,85726,649335,804408,252
2017-08-02$8.74$8.0044.3%13.1%46.2%31.7%47.6%-1.9%1.9%2.4M-105.4M-754.7K0.364.93N/AN/A19,5867,026341,299416,959
2017-08-03$8.54$8.0040.6%12.2%45.9%21.4%42.8%2.6%-0.8%2.1M-90.0M-748.6K0.527.73N/AN/A14,6587,627350,794417,761
2017-08-04$8.70$8.0039.9%11.5%46.2%19.6%42.7%0.7%-0.1%2.7M-105.2M-758.8K0.897.18N/AN/A22,53120,136357,661419,714
2017-08-07$8.63$8.0040.8%12.4%46.2%21.9%45.2%0.4%3.2%2.5M-92.3M-771.8K1.9715.19N/AN/A8,13316,007346,545415,059
2017-08-08$8.41$8.0040.8%12.4%47.2%22.0%43.0%0.5%2.6%1.8M-73.4M-768.5K0.414.84N/AN/A18,3777,614348,815421,240
2017-08-09$8.25$8.0042.7%12.4%47.7%27.3%43.4%1.2%0.9%1.2M-56.3M-793.7K0.884.51N/AN/A16,79714,768360,573430,936
2017-08-10$8.06$8.0041.0%12.4%48.4%22.6%43.1%2.2%2.9%979.9K-42.5M-790.0K1.015.63N/AN/A19,92820,079363,306431,690
2017-08-11$8.32$8.0040.4%12.1%47.2%20.9%41.9%3.3%2.4%1.6M-64.4M-797.2K0.244.66N/AN/A16,8944,041369,098431,493
2017-08-14$8.42$8.0041.4%12.0%46.8%23.8%49.0%-0.7%-1.0%1.7M-77.0M-767.3K0.136.24N/AN/A40,0575,294366,318425,431
2017-08-15$8.32$8.0040.8%11.7%46.9%21.9%41.8%-0.8%-0.1%1.7M-69.4M-757.0K1.959.85N/AN/A5,90011,522384,235427,278
2017-08-16$8.28$8.0042.8%12.3%46.9%27.4%44.5%-1.2%0.1%1.5M-66.4M-770.4K1.454.97N/AN/A5,3897,828385,075433,970
2017-08-17$8.12$8.0042.3%12.0%47.3%26.0%42.0%2.8%1.6%1.3M-48.9M-777.4K0.8110.20N/AN/A7,5616,124385,961437,540
2017-08-18$8.10$8.0041.8%11.7%47.1%24.6%46.4%-1.6%2.7%634.7K-56.3M-759.7K0.534.03N/AN/A12,6636,692387,858439,839
2017-08-21$8.06$8.0040.3%11.4%47.1%20.7%41.8%1.0%1.1%578.2K-34.7M-809.5K0.583.03N/AN/A10,3406,022284,104389,089
2017-08-22$8.24$8.0040.7%11.3%47.6%21.6%39.6%0.5%0.5%910.5K-43.7M-821.5K0.623.32N/AN/A11,2346,916289,721392,571
2017-08-23$8.31$8.0037.8%10.9%47.6%13.6%38.8%1.1%1.5%1.3M-59.4M-744.8K2.113.03N/AN/A9,63320,311294,676396,209
2017-08-24$8.40$8.5037.4%10.7%44.8%12.6%39.7%0.4%-0.2%1.3M-62.0M-738.4K0.793.27N/AN/A9,1717,223298,881411,288
2017-08-25$8.46$8.5036.1%10.0%44.8%9.0%35.1%1.5%0.3%1.5M-62.7M-740.1K0.802.82N/AN/A14,87511,924298,096411,604
2017-08-28$8.32$8.5037.8%10.4%44.3%13.6%37.9%2.1%0.9%1.1M-53.8M-726.8K0.822.79N/AN/A8,2396,734302,465408,836
2017-08-29$8.27$8.5036.3%9.8%26.3%9.5%35.9%3.0%-0.8%882.6K-48.2M-723.1K0.814.14N/AN/A5,2064,194302,570412,825
2017-08-30$8.24$8.5036.2%9.9%26.1%9.3%37.7%2.4%0.1%772.8K-45.6M-715.2K1.322.98N/AN/A4,2335,593303,957414,174
2017-08-31$8.26$8.5035.2%9.2%25.0%6.5%32.1%1.2%0.9%787.7K-45.6M-709.0K0.592.77N/AN/A7,0684,165304,576417,730