GDX Options History — July 2008

In July 2008, GDX traded between $43.19 and $50.84. ATM implied volatility averaged 40.1%, placing in the 50.6% IV rank vs the trailing year. The 30-day expected move averaged 11.6%. IV traded above realized volatility by 0.3% (HV 20d: 39.8%). Max pain ranged from $42.00 to $50.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 17 of 22 days. Put/call ratio averaged 0.50.

Notable Days

  • 2008-07-30: Highest Volume — 30,187 contracts
  • 2008-07-07: Largest IV spike — 10.7% change
  • 2008-07-30: Highest IV Rank — 70.5%
  • 2008-07-30: Largest Expected Move — 13.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$46.58$43.19$50.84$49.53$43.48
Max Pain$45.91$42.00$50.00$44.00$42.00
ATM IV40.1%33.7%45.2%33.7%44.2%
Expected Move11.6%9.7%13.0%9.7%12.7%
HV 20d39.8%32.3%48.5%36.1%39.9%
HV 60d37.1%36.3%38.2%36.4%36.4%
IV Rank50.6%34.7%70.5%35.3%66.1%
IV Percentile58.7%14.7%89.3%14.7%86.1%
Term Structure1.1%-1.3%4.3%2.0%0.6%
VWIV40.9%36.1%46.3%36.1%44.0%
Skew 25d4.8%1.8%7.6%5.2%2.9%
Skew 10d9.6%4.9%14.1%14.1%13.5%
Call IV 25d38.6%32.1%44.6%32.1%44.6%
Put IV 25d43.4%37.3%48.3%37.3%47.4%
Bid-Ask Spread %22.0415.9828.6517.3028.17
Gamma HHI0.170.110.240.190.11
Net GEX5.6M4.1M7.5M6.2M6.8M
Net DEX-172.4M-304.8M-69.5M-270.7M-110.6M
Net VEX-2.0M-2.2M-1.2M-2.0M-2.1M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.500.130.980.740.26
Total Volume12,672.2274,60830,18713,1565,391
Total OI236,630.909157,562290,178213,176290,178

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2008-07-01$49.53$44.0033.7%9.7%36.1%35.3%36.1%5.2%2.0%6.2M-270.7M-2.0M0.7417.307,5545,602139,43773,739
2008-07-02$48.14$44.0036.7%10.5%37.2%44.7%36.9%5.5%1.4%5.8M-226.5M-2.0M0.8017.742,5562,052141,60774,935
2008-07-03$47.07$44.0035.7%10.2%37.4%41.1%38.5%7.6%4.3%5.3M-185.9M-2.0M0.5117.123,6621,874142,31575,636
2008-07-07$46.25$45.0039.6%11.8%37.4%54.7%40.9%4.0%-0.1%5.0M-151.8M-1.9M0.7115.983,7162,636144,26275,510
2008-07-08$45.55$44.0039.0%12.1%37.7%49.9%42.4%5.8%-0.8%4.7M-130.8M-1.9M0.3217.658,9712,840145,41476,087
2008-07-09$45.36$45.0038.9%12.2%32.3%49.5%42.8%3.4%-1.3%4.9M-139.3M-1.9M0.4916.253,7371,844148,68276,812
2008-07-10$46.67$44.0042.0%12.0%33.7%61.8%42.5%7.3%-0.8%5.6M-186.6M-2.0M0.9817.512,7282,673149,12177,484
2008-07-11$48.71$45.0040.8%11.7%35.2%50.2%40.9%7.6%1.7%6.9M-274.1M-2.0M0.5919.1210,9376,443150,32478,066
2008-07-14$50.84$45.0040.7%11.7%37.4%50.0%40.9%6.0%0.7%6.3M-274.3M-1.2M0.3926.539,2763,648105,83351,729
2008-07-15$49.60$48.0041.3%11.8%39.2%52.7%42.0%4.5%0.2%7.5M-304.8M-2.2M0.6428.2711,2687,264160,53087,007
2008-07-16$48.57$50.0040.4%11.6%40.3%48.5%41.8%6.1%1.2%5.8M-239.2M-2.2M0.5027.797,6493,795162,54693,846
2008-07-17$47.55$50.0042.0%12.0%41.4%55.8%42.0%5.9%-0.1%5.4M-207.9M-2.1M0.4023.1011,1114,421164,32593,500
2008-07-18$47.55$50.0040.8%11.7%41.3%50.5%41.2%4.3%1.0%5.8M-199.9M-2.2M0.5724.544,8992,799167,62193,887
2008-07-21$48.69$48.0037.4%10.7%41.7%34.7%38.7%5.8%3.4%5.9M-213.0M-2.2M0.5322.444,8142,555149,87075,321
2008-07-22$47.00$48.0039.3%11.3%44.1%43.3%38.0%3.3%0.2%5.4M-152.0M-2.1M0.1325.0116,7392,163152,52576,320
2008-07-23$44.57$48.0038.9%11.1%48.3%41.4%38.5%2.7%2.6%4.1M-72.0M-1.9M0.5322.4412,1816,470154,45077,175
2008-07-24$44.01$47.0042.0%12.0%48.5%55.7%42.3%3.6%2.5%4.3M-69.5M-2.0M0.3020.1912,6753,813160,55879,174
2008-07-25$44.26$45.0040.1%11.5%43.9%47.0%39.4%3.2%2.0%5.4M-103.7M-2.1M0.1825.3416,6273,048170,47180,644
2008-07-28$44.61$45.0042.7%12.3%41.2%59.2%40.1%4.9%2.1%6.2M-126.5M-2.1M0.1928.657,6941,476179,08081,810
2008-07-29$43.67$45.0041.0%11.8%41.5%51.5%43.3%1.8%1.4%5.5M-73.8M-1.9M0.7022.369,9947,007176,32182,335
2008-07-30$43.19$44.0045.2%13.0%40.5%70.5%46.3%4.0%0.5%5.4M-79.0M-1.9M0.4421.5020,9549,233181,15288,241
2008-07-31$43.48$42.0044.2%12.7%39.9%66.1%44.0%2.9%0.6%6.8M-110.6M-2.1M0.2628.174,2751,116196,07494,104