S Options History — May 2018

In May 2018, S traded between $5.07 and $5.44. ATM implied volatility averaged 35.0%, placing in the 14.6% IV rank vs the trailing year. The 30-day expected move averaged 9.7%. IV traded below realized volatility by 33.3% (HV 20d: 68.3%). Max pain ranged from $5.00 to $6.00. Net GEX was positive for 0 of 22 trading days. Term structure was in contango for 15 of 22 days. Put/call ratio averaged 0.76.

Notable Days

  • 2018-05-02: Highest Volume — 62,894 contracts
  • 2018-05-04: Largest IV drop — 18.4% change
  • 2018-05-03: Highest IV Rank — 40.2%
  • 2018-05-01: Largest Expected Move — 15.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$5.17$5.07$5.44$5.44$5.14
Max Pain$5.23$5.00$6.00$6.00$5.50
ATM IV35.0%26.6%47.2%43.7%26.6%
Expected Move9.7%6.1%15.5%15.5%8.0%
HV 20d68.3%19.4%91.0%88.4%19.4%
HV 60d55.1%54.3%57.6%56.9%54.4%
IV Rank14.6%0.0%40.2%32.9%0.0%
IV Percentile13.7%0.0%63.9%48.0%0.0%
Term Structure1.9%-9.9%13.9%-6.0%3.8%
VWIV34.3%26.3%54.4%49.0%29.0%
Skew 25d-2.2%-9.9%3.6%-9.9%-8.1%
Skew 10d-4.6%-17.5%10.6%10.6%-5.6%
Call IV 25d37.4%28.5%58.1%53.5%34.7%
Put IV 25d35.2%25.2%52.9%43.6%26.6%
Bid-Ask Spread %14.059.1721.8311.8311.15
Gamma HHI0.480.290.860.290.36
Net GEX-1.0M-5.0M-139.7K-139.7K-385.5K
Net DEX40.2M13.8M59.2M38.8M16.4M
Net VEX-237.2K-290.0K-207.1K-290.0K-224.8K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.760.221.670.610.97
Total Volume9,949.2733,38062,89418,7884,070
Total OI434,228.182246,961555,537535,549249,449

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2018-05-01$5.44$6.0043.7%15.5%88.4%32.9%49.0%-9.9%-6.0%-139.7K38.8M-290.0K0.6111.83N/AN/A11,6977,091270,246265,303
2018-05-02$5.13$6.0044.1%15.2%91.0%33.6%54.4%-5.1%11.8%-536.2K50.1M-282.0K1.6716.57N/AN/A23,59539,299275,825268,341
2018-05-03$5.14$5.0047.2%12.3%90.5%40.2%41.1%3.1%3.3%-740.4K56.3M-272.9K0.4813.64N/AN/A10,3305,005290,215265,322
2018-05-04$5.28$5.0038.5%8.9%91.0%21.5%37.3%-0.7%3.9%-716.1K53.7M-264.4K0.9219.91N/AN/A7,4416,877289,806264,478
2018-05-07$5.24$5.0037.1%9.9%91.0%18.4%35.9%-0.3%0.1%-883.1K55.4M-276.2K0.2221.83N/AN/A10,7022,341272,085257,987
2018-05-08$5.13$5.0035.8%10.3%71.0%15.7%36.7%-0.7%5.3%-1.2M59.2M-244.4K0.7719.27N/AN/A4,1263,170276,736258,132
2018-05-09$5.20$5.0031.3%10.5%71.4%6.0%34.3%-4.0%7.2%-1.5M57.9M-233.5K0.2617.83N/AN/A8,0832,091277,616259,425
2018-05-10$5.17$5.0033.8%9.7%71.2%11.4%34.1%3.6%3.6%-1.4M58.1M-234.6K0.6413.69N/AN/A3,1031,983282,091259,255
2018-05-11$5.17$5.0038.8%9.7%71.1%22.2%34.1%-5.1%-6.1%-1.5M56.3M-237.7K0.6111.66N/AN/A3,5632,164282,315255,699
2018-05-14$5.15$5.0033.0%9.0%70.7%9.7%32.4%-2.6%8.4%-1.9M55.7M-227.0K0.7511.12N/AN/A3,3572,527274,244251,057
2018-05-15$5.12$5.0034.1%9.5%69.8%12.0%33.4%-7.3%6.5%-2.1M55.6M-232.4K0.769.98N/AN/A3,5382,702275,561251,547
2018-05-16$5.07$5.0038.1%10.9%69.8%20.8%37.6%-0.9%1.0%-2.5M58.1M-227.5K1.3910.71N/AN/A3,3844,687276,407252,051
2018-05-17$5.09$5.0035.3%10.1%69.9%14.6%35.7%-0.9%1.1%-5.0M54.0M-220.9K0.959.17N/AN/A4,0253,819277,766255,034
2018-05-18$5.10$5.0030.2%8.2%69.9%3.7%28.7%-6.0%4.2%-299.5K51.5M-218.8K0.8311.14N/AN/A3,1282,593279,835258,013
2018-05-21$5.17$5.0032.8%7.3%70.2%9.3%27.5%1.4%-1.3%-310.7K14.8M-207.1K0.6618.22N/AN/A2,8481,870117,862136,510
2018-05-22$5.21$5.0036.6%9.0%70.3%17.5%28.0%-0.1%-9.9%-312.0K13.8M-211.2K0.6911.90N/AN/A2,4501,698118,978137,334
2018-05-23$5.13$5.5038.5%6.1%69.6%21.4%26.3%3.5%-2.3%-349.8K16.0M-220.8K1.1115.23N/AN/A1,7031,889119,953137,886
2018-05-24$5.18$5.5031.5%6.9%69.8%6.4%28.3%-3.0%-3.8%-342.8K15.3M-221.6K0.9815.19N/AN/A1,7031,677120,436138,154
2018-05-25$5.15$5.5028.2%8.3%60.2%0.0%31.4%-2.2%-3.5%-358.3K15.1M-219.9K0.4816.10N/AN/A2,9331,401120,632137,766
2018-05-29$5.14$5.5026.7%8.3%28.8%0.0%28.8%-3.5%13.9%-356.8K16.2M-221.7K0.5810.72N/AN/A2,8261,628111,202135,759
2018-05-30$5.23$5.5028.9%8.9%28.0%4.8%31.2%0.3%1.0%-306.2K15.2M-228.3K0.4912.15N/AN/A2,5251,242112,309136,398
2018-05-31$5.14$5.5026.6%8.0%19.4%0.0%29.0%-8.1%3.8%-385.5K16.4M-224.8K0.9711.15N/AN/A2,0642,006112,942136,507