GME Options History — October 2008

In October 2008, GME traded between $6.30 and $9.01. ATM implied volatility averaged 91.5%, placing in the 80.1% IV rank vs the trailing year. The 30-day expected move averaged 24.6%. IV traded above realized volatility by 5.2% (HV 20d: 86.3%). Max pain ranged from $7.50 to $10.00. Net GEX was positive for 14 of 23 trading days. Term structure was in contango for 0 of 23 days. Put/call ratio averaged 0.81.

Notable Days

  • 2008-10-06: Highest Volume — 21,664 contracts
  • 2008-10-06: Largest IV spike — 27.0% change
  • 2008-10-06: Highest IV Rank — 100.0%
  • 2008-10-31: Largest Expected Move — 30.2%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$7.61$6.30$9.01$9.01$6.85
Max Pain$8.26$7.50$10.00$10.00$7.50
ATM IV91.5%66.8%114.2%66.8%105.2%
Expected Move24.6%19.2%30.2%19.2%30.2%
HV 20d86.3%51.0%117.7%51.4%117.7%
HV 60d62.7%47.3%77.9%47.8%76.8%
IV Rank80.1%49.7%100.0%69.8%88.8%
IV Percentile98.3%95.2%100.0%98.4%99.2%
Term Structure-8.4%-13.4%-0.6%-0.6%-9.5%
VWIV85.0%66.4%101.6%66.4%101.6%
Skew 25d14.6%6.1%20.8%6.1%19.6%
Skew 10d23.5%8.0%39.3%8.0%27.0%
Call IV 25d78.7%64.3%96.6%64.3%89.7%
Put IV 25d93.3%70.5%109.7%70.5%109.3%
Bid-Ask Spread %16.186.8832.8911.1413.63
Gamma HHI0.180.130.260.250.15
Net GEX40.7K-100.3K193.0K187.1K-4.6K
Net DEX35.9M16.6M53.2M34.2M30.9M
Net VEX-254.1K-355.9K-178.9K-345.0K-195.7K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.810.181.461.120.70
Total Volume12,751.6522,34421,66412,49219,784
Total OI293,621.565241,436340,620314,884262,180

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2008-10-01$9.01$10.0066.8%19.2%51.4%69.8%66.4%6.1%-0.6%187.1K34.2M-345.0K1.1211.14N/AN/A5,8886,604189,172125,712
2008-10-02$8.95$10.0070.9%20.3%51.3%78.7%70.4%8.1%-1.3%193.0K32.9M-355.9K1.0513.42N/AN/A2,0122,108190,836126,868
2008-10-03$8.82$10.0070.6%20.2%51.3%78.0%69.7%6.6%-1.5%155.1K37.1M-337.9K0.9819.21N/AN/A10,42410,200191,584127,476
2008-10-06$8.53$8.7589.7%22.2%51.0%100.0%80.1%10.3%-10.6%51.4K41.7M-328.8K0.5611.10N/AN/A13,8767,788193,232133,456
2008-10-07$7.69$8.7588.5%23.3%60.3%97.9%81.2%13.1%-12.8%-74.4K53.2M-269.5K1.4313.71N/AN/A8,73212,444193,256133,092
2008-10-08$7.55$8.7596.8%24.2%60.3%100.0%83.4%12.8%-13.4%-85.1K49.3M-253.0K0.5524.39N/AN/A9,9125,420195,996128,632
2008-10-09$7.27$8.7599.3%24.8%60.4%100.0%87.3%15.3%-10.6%-29.2K45.8M-248.2K0.7432.89N/AN/A6,7405,000194,020123,920
2008-10-10$7.28$7.50114.2%25.3%60.5%100.0%91.9%15.2%-8.1%12.6K42.8M-252.4K1.3828.17N/AN/A4,8806,756197,776125,068
2008-10-13$8.38$7.5088.2%21.4%80.8%67.4%79.7%15.8%-7.1%-2.3K36.8M-293.0K0.7326.16N/AN/A6,7924,976196,984124,600
2008-10-14$7.59$7.50101.5%22.8%85.7%84.1%74.7%13.5%-11.7%-100.3K49.8M-235.1K0.4914.74N/AN/A9,8524,832200,328127,396
2008-10-15$6.93$7.50105.7%23.8%88.3%89.4%85.0%16.1%-8.8%-29.4K51.1M-197.5K0.7125.62N/AN/A11,6208,200206,324124,048
2008-10-16$7.70$7.5089.2%25.6%97.3%68.6%85.5%20.8%-13.0%39.0K42.2M-248.2K0.6415.96N/AN/A10,4566,660213,328124,792
2008-10-17$7.96$7.5089.5%25.7%98.5%69.0%84.6%18.4%-12.5%141.6K36.6M-274.5K1.2318.04N/AN/A7,2248,852213,156127,464
2008-10-20$8.30$8.7574.1%21.2%99.3%49.7%72.5%14.8%-3.3%150.8K16.6M-288.9K0.1813.94N/AN/A8,0561,460142,12499,312
2008-10-21$7.62$8.7581.5%23.4%102.9%59.0%78.6%12.2%-5.3%75.5K24.5M-245.5K0.8715.27N/AN/A2,6082,272142,99699,820
2008-10-22$7.06$8.7586.2%24.7%105.8%64.9%85.3%17.9%-6.9%34.8K28.6M-217.1K0.3912.61N/AN/A6,9042,712143,80098,788
2008-10-23$6.77$8.7598.2%28.2%104.6%79.9%93.2%14.9%-9.2%23.2K30.8M-199.3K1.4610.67N/AN/A6,0808,888147,06099,992
2008-10-24$6.43$7.50100.1%28.7%105.1%82.4%95.0%14.8%-8.7%-7.0K32.7M-189.5K0.4514.42N/AN/A5,6722,572149,976103,568
2008-10-27$6.30$7.50105.0%30.1%104.1%88.4%101.0%13.1%-9.4%-6.7K33.2M-178.9K1.286.88N/AN/A1,7442,228153,924104,928
2008-10-28$7.23$7.5093.4%26.8%117.3%73.9%98.0%19.8%-7.9%44.7K27.9M-214.7K0.6811.28N/AN/A4,1122,780151,860103,332
2008-10-29$7.36$7.5097.1%27.8%115.6%78.6%94.1%17.4%-12.6%92.6K22.4M-240.1K0.5110.86N/AN/A9,8284,996154,176104,648
2008-10-30$7.36$7.5093.9%26.9%115.6%74.6%95.9%19.2%-8.2%74.6K24.3M-236.0K0.418.12N/AN/A1,664680155,420106,876
2008-10-31$6.85$7.50105.2%30.2%117.7%88.8%101.6%19.6%-9.5%-4.6K30.9M-195.7K0.7013.63N/AN/A11,6528,132155,544106,636