S Options History — May 2013

In May 2013, S traded between $7.06 and $7.39. ATM implied volatility averaged 28.8%, placing in the 27.4% IV rank vs the trailing year. The 30-day expected move averaged 8.2%. IV traded above realized volatility by 2.8% (HV 20d: 26.1%). Max pain ranged from $6.00 to $8.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 9 of 22 days. Put/call ratio averaged 0.78.

Notable Days

  • 2013-05-01: Highest Volume — 84,518 contracts
  • 2013-05-15: Largest IV spike — 19.1% change
  • 2013-05-31: Highest IV Rank — 39.1%
  • 2013-05-31: Largest Expected Move — 10.1%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$7.27$7.06$7.39$7.06$7.30
Max Pain$6.98$6.00$8.00$7.00$8.00
ATM IV28.8%25.3%36.0%28.6%36.0%
Expected Move8.2%7.2%10.1%8.2%10.1%
HV 20d26.1%13.4%46.7%46.7%14.5%
HV 60d29.9%29.7%30.3%30.0%29.9%
IV Rank27.4%21.5%39.1%26.9%39.1%
IV Percentile54.8%46.8%61.9%52.4%61.9%
Term Structure-0.3%-5.3%3.5%-4.1%2.9%
VWIV28.6%24.0%35.2%28.4%35.2%
Skew 25d1.0%-3.9%8.6%0.5%-3.6%
Skew 10d8.0%-9.9%81.7%8.2%-1.8%
Call IV 25d29.9%20.5%38.2%26.2%38.2%
Put IV 25d30.9%25.3%36.0%26.6%34.6%
Bid-Ask Spread %18.266.5232.2121.0924.07
Gamma HHI0.430.300.610.610.31
Net GEX9.7M8.0M12.0M11.2M9.4M
Net DEX-159.1M-247.0M-102.4M-124.0M-127.2M
Net VEX-1.1M-1.3M-896.0K-915.2K-1.2M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.780.012.871.430.85
Total Volume33,055.5459,52684,51884,51837,697
Total OI1,624,195.9091,391,2231,901,3981,611,3201,471,449

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2013-05-01$7.06$7.0028.6%8.2%46.7%26.9%28.4%0.5%-4.1%11.2M-124.0M-915.2K1.4321.09N/AN/A34,74849,7701,020,126591,194
2013-05-02$7.10$7.0026.3%7.6%46.7%23.1%24.0%1.3%-0.8%10.5M-126.2M-1.0M2.8723.37N/AN/A5,85716,7881,035,616613,328
2013-05-03$7.15$7.0027.0%7.7%46.7%24.3%26.4%2.5%0.1%10.0M-133.9M-1.0M0.4522.07N/AN/A14,6966,6501,042,336625,396
2013-05-06$7.20$6.5028.2%8.1%46.7%26.3%29.2%4.8%-2.1%11.1M-160.1M-896.0K2.4020.32N/AN/A7,68118,4331,045,426624,421
2013-05-07$7.22$6.0027.2%7.7%46.6%24.6%27.2%3.0%-1.2%10.2M-165.6M-1.0M1.1117.71N/AN/A33,52437,3161,050,442637,498
2013-05-08$7.32$6.0028.6%8.2%46.4%27.0%28.2%2.2%-0.9%10.4M-186.5M-956.5K1.0218.22N/AN/A7,9088,0571,061,786670,151
2013-05-09$7.35$6.0027.2%7.8%46.4%24.6%27.2%-2.5%-0.3%8.5M-199.7M-1.2M0.0815.26N/AN/A49,5353,7601,070,525671,946
2013-05-10$7.36$6.0025.3%7.2%46.1%21.5%25.5%8.6%2.0%9.2M-236.0M-1.3M0.1816.64N/AN/A59,63810,9901,109,736673,084
2013-05-13$7.18$7.0027.7%7.9%16.4%25.5%26.4%4.2%-1.6%12.0M-180.4M-1.2M0.6518.71N/AN/A31,30920,4901,134,024674,593
2013-05-14$7.26$7.0026.0%7.5%15.3%22.7%30.1%6.6%1.6%10.6M-196.8M-1.1M0.9514.52N/AN/A11,87511,2601,142,768689,187
2013-05-15$7.25$7.0031.0%8.9%14.2%30.9%28.2%5.7%-3.5%8.5M-212.8M-1.2M0.1216.86N/AN/A11,9511,4441,151,986699,933
2013-05-16$7.28$0.0028.8%8.2%13.4%27.3%28.6%1.1%1.5%8.0M-224.4M-1.0M0.0132.21N/AN/A54,9827121,154,327697,515
2013-05-17$7.32$7.0028.6%8.2%13.4%26.9%30.9%0.9%-0.6%8.9M-247.0M-1.2M0.1520.53N/AN/A11,7291,8031,203,349698,049
2013-05-20$7.29$7.0028.0%8.0%13.6%25.9%27.4%-1.6%2.7%8.2M-102.4M-1.2M0.3610.48N/AN/A20,8807,475897,819493,404
2013-05-21$7.39$7.0027.6%8.0%13.7%25.3%28.2%1.5%2.9%9.7M-139.6M-1.2M0.1711.60N/AN/A15,5562,626915,342498,350
2013-05-22$7.30$7.0029.5%8.4%14.6%28.4%29.6%-1.8%-1.6%9.2M-111.9M-1.2M0.066.52N/AN/A20,9271,228926,977499,954
2013-05-23$7.31$7.0029.5%8.5%14.4%28.4%32.0%-0.8%-1.3%9.6M-131.6M-1.3M0.8112.65N/AN/A7,6116,132943,660500,315
2013-05-24$7.33$7.0028.1%7.8%14.3%26.1%29.1%-3.9%3.5%9.5M-116.6M-1.2M1.0710.56N/AN/A7,8628,441949,154505,020
2013-05-28$7.27$8.0030.9%8.8%14.7%30.9%31.0%-3.2%-1.0%9.2M-117.8M-1.3M0.6723.02N/AN/A12,3048,269941,877501,792
2013-05-29$7.28$8.0032.3%9.3%14.2%33.1%0.0%-3.0%-5.3%9.6M-122.5M-1.2M1.0220.31N/AN/A4,7064,820944,099504,279
2013-05-30$7.34$8.0032.7%9.4%14.4%33.8%0.0%-0.7%0.3%9.8M-136.7M-1.2M0.7825.07N/AN/A21,21816,564945,820504,257
2013-05-31$7.30$8.0036.0%10.1%14.5%39.1%35.2%-3.6%2.9%9.4M-127.2M-1.2M0.8524.07N/AN/A20,36517,332954,140517,309