GME Options History — December 2008

In December 2008, GME traded between $4.71 and $6.42. ATM implied volatility averaged 83.5%, placing in the 53.0% IV rank vs the trailing year. The 30-day expected move averaged 23.8%. IV traded below realized volatility by 33.7% (HV 20d: 117.1%). Max pain ranged from $5.63 to $7.50. Net GEX was positive for 0 of 22 trading days. Term structure was in contango for 16 of 22 days. Put/call ratio averaged 1.93.

Notable Days

  • 2008-12-03: Highest Volume — 28,928 contracts
  • 2008-12-09: Largest IV spike — 17.7% change
  • 2008-12-01: Highest IV Rank — 72.0%
  • 2008-12-01: Largest Expected Move — 29.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$5.67$4.71$6.42$4.84$5.42
Max Pain$7.16$5.63$7.50$5.63$7.50
ATM IV83.5%72.7%101.0%101.0%72.7%
Expected Move23.8%20.9%29.0%29.0%20.9%
HV 20d117.1%97.8%131.2%115.9%98.0%
HV 60d106.6%98.1%110.5%98.3%110.1%
IV Rank53.0%41.4%72.0%72.0%41.4%
IV Percentile82.8%75.8%92.9%92.9%75.8%
Term Structure1.2%-2.1%6.0%-2.1%-0.7%
VWIV83.2%73.1%102.8%102.8%74.8%
Skew 25d14.2%8.4%21.4%18.3%10.5%
Skew 10d29.2%14.2%42.0%42.0%34.5%
Call IV 25d77.2%69.8%93.7%93.7%71.2%
Put IV 25d91.3%80.2%112.7%112.0%81.7%
Bid-Ask Spread %8.904.5512.8812.204.55
Gamma HHI0.170.130.210.180.19
Net GEX-114.3K-206.5K-9.9K-181.3K-82.1K
Net DEX12.8M-1.1M22.1M20.7M17.8M
Net VEX-142.3K-170.7K-105.7K-117.9K-121.6K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.930.1614.201.530.50
Total Volume8,786.5451,33628,9286,9884,340
Total OI293,346.727248,636331,488277,360262,912

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2008-12-01$4.84$5.63101.0%29.0%115.9%72.0%102.8%18.3%-2.1%-181.3K20.7M-117.9K1.5312.20N/AN/A2,7604,228160,944116,416
2008-12-02$4.75$5.6396.8%27.7%115.9%67.3%95.8%20.0%0.0%-202.2K21.8M-113.3K0.3212.49N/AN/A3,2761,064162,524118,416
2008-12-03$4.71$5.6389.9%25.8%114.7%59.9%94.7%21.4%1.5%-202.3K22.1M-105.7K6.279.86N/AN/A3,98024,948165,328117,064
2008-12-04$5.04$5.6390.8%26.0%115.2%60.9%89.5%16.8%0.0%-206.5K19.5M-129.7K0.4712.88N/AN/A5,1882,440167,572130,548
2008-12-05$5.32$7.5079.8%24.1%115.9%49.1%88.7%18.1%3.4%-170.6K16.7M-137.3K0.927.67N/AN/A1,9201,768169,212130,980
2008-12-08$6.25$7.5081.6%22.6%128.8%51.0%79.1%17.8%3.9%-9.9K3.4M-163.1K0.437.78N/AN/A9,4564,088170,484131,248
2008-12-09$5.81$7.5096.0%24.9%131.2%66.6%85.2%17.6%0.9%-46.4K8.6M-152.9K2.719.64N/AN/A4,08811,068172,712132,220
2008-12-10$6.02$7.5086.3%23.6%130.9%56.1%84.6%15.8%3.6%-182.3K9.6M-164.0K2.108.99N/AN/A3,6407,640173,248146,608
2008-12-11$5.71$7.5087.7%25.2%130.5%57.6%79.9%14.7%1.6%-178.1K13.0M-154.5K14.209.34N/AN/A1,38819,716174,404144,540
2008-12-12$6.03$7.5083.8%24.0%124.7%53.3%79.7%14.7%2.5%-191.0K9.6M-168.9K1.817.55N/AN/A3,1085,628174,724151,912
2008-12-15$5.78$7.5089.8%25.7%123.5%59.8%85.1%14.3%-0.0%-195.8K13.1M-158.2K2.3710.12N/AN/A2,2125,240175,720150,988
2008-12-16$6.42$7.5084.9%24.3%128.7%54.5%79.4%13.4%1.0%-38.7K443.2K-170.7K0.167.82N/AN/A10,7561,704176,436149,096
2008-12-17$6.42$7.5083.2%23.9%128.2%52.7%83.7%12.8%2.3%-23.5K-1.1M-168.8K0.677.44N/AN/A4,1842,788178,900149,136
2008-12-18$6.10$7.5080.6%23.1%126.2%49.9%80.8%12.4%3.0%-111.0K7.3M-157.2K0.6510.06N/AN/A4,4602,892180,096150,424
2008-12-19$6.15$7.5075.6%21.7%109.2%44.5%76.5%10.6%6.0%-143.6K9.0M-152.7K0.3911.37N/AN/A4,1681,620180,096151,392
2008-12-22$5.79$7.5078.7%22.6%112.6%47.8%79.7%10.9%-1.1%-60.7K14.1M-137.4K0.957.54N/AN/A1,9881,892153,41695,220
2008-12-23$5.54$7.5074.9%21.5%107.1%43.7%76.6%10.8%0.9%-83.1K16.3M-128.6K0.267.61N/AN/A6,9001,824154,22496,608
2008-12-24$5.83$7.5075.8%21.7%108.1%44.7%75.5%10.7%0.9%-29.7K13.0M-138.7K1.2310.38N/AN/A1,2761,568160,25297,464
2008-12-26$5.79$7.5074.2%21.3%106.1%42.9%73.1%8.4%1.5%-33.5K13.5M-136.3K0.547.37N/AN/A868468160,75297,932
2008-12-29$5.49$7.5077.0%22.1%107.9%46.0%77.4%9.8%-1.0%-64.7K16.6M-127.2K2.958.04N/AN/A1,4924,408160,98898,240
2008-12-30$5.54$7.5074.9%21.5%97.8%43.7%87.6%12.1%-1.8%-76.7K16.7M-126.3K1.055.13N/AN/A2,3762,488161,156101,076
2008-12-31$5.42$7.5072.7%20.9%98.0%41.4%74.8%10.5%-0.7%-82.1K17.8M-121.6K0.504.55N/AN/A2,8841,456162,336100,576