GME Options History — May 2021

In May 2021, GME traded between $35.91 and $63.80. ATM implied volatility averaged 132.1%, placing in the 30.3% IV rank vs the trailing year. The 30-day expected move averaged 38.3%. IV traded above realized volatility by 30.7% (HV 20d: 101.4%). Max pain ranged from $38.75 to $50.00. Net GEX was positive for 15 of 20 trading days. Term structure was in contango for 6 of 20 days. Put/call ratio averaged 0.59.

Notable Days

  • 2021-05-26: Highest Volume — 1,340,836 contracts
  • 2021-05-25: Largest IV spike — 22.9% change
  • 2021-05-27: Highest IV Rank — 43.5%
  • 2021-05-27: Largest Expected Move — 54.4%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$44.40$35.91$63.80$40.47$55.82
Max Pain$42.31$38.75$50.00$47.50$50.00
ATM IV132.1%104.5%178.0%125.8%168.5%
Expected Move38.3%29.2%54.4%34.2%51.0%
HV 20d101.4%79.8%127.5%102.9%127.5%
HV 60d218.0%174.3%244.2%244.2%177.6%
IV Rank30.3%22.4%43.5%28.5%40.8%
IV Percentile38.1%12.7%76.6%29.8%73.0%
Term Structure-0.1%-7.2%13.8%6.7%-5.5%
VWIV146.1%119.0%202.0%145.4%191.3%
Skew 25d-22.3%-32.3%-16.5%-28.6%-29.9%
Skew 10d-38.0%-50.6%-20.7%-50.6%-39.5%
Call IV 25d152.7%117.6%208.0%152.0%198.0%
Put IV 25d130.4%97.8%175.7%123.4%168.0%
Bid-Ask Spread %7.024.8210.504.985.66
Gamma HHI0.070.030.270.040.05
Net GEX8.1M-11.2M32.4M3.2M6.7M
Net DEX-1.20B-3.37B-400.6M-788.5M-2.18B
Net VEX-6.3M-9.4M-5.1M-5.9M-8.7M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.590.391.220.750.62
Total Volume598,969.8244,6841,340,836412,6361,130,008
Total OI4,601,010.44,144,5284,845,7124,424,3484,845,712

Daily Data (20 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2021-05-03$40.47$47.50125.8%34.2%102.9%28.5%145.4%-28.6%6.7%3.2M-788.5M-5.9M0.754.98N/AN/A235,780176,856884,5243,539,824
2021-05-04$40.05$46.25123.9%32.8%102.8%28.0%129.6%-23.1%6.8%1.1M-694.2M-5.7M0.765.09N/AN/A188,612142,484953,2963,595,596
2021-05-05$39.88$46.25115.7%29.2%102.3%25.6%119.0%-21.8%10.1%189.7K-674.0M-5.7M0.566.20N/AN/A156,37288,312997,9923,613,940
2021-05-06$40.17$38.75112.4%35.2%101.3%24.6%133.4%-21.4%13.5%-246.7K-697.6M-5.6M0.587.49N/AN/A207,064120,2161,035,0443,628,992
2021-05-07$40.17$38.75104.5%33.0%97.6%22.4%134.2%-19.8%13.8%-11.2M-696.6M-5.5M0.4410.50N/AN/A372,772162,8041,087,9723,654,340
2021-05-10$35.91$41.25123.4%35.5%100.2%27.8%132.2%-16.5%-2.9%-1.6M-400.6M-5.1M1.227.50N/AN/A210,316256,276869,6083,542,852
2021-05-11$36.59$40.00123.8%35.1%100.1%27.9%131.2%-16.8%-3.1%-2.3M-413.3M-5.3M0.749.05N/AN/A213,900157,736932,8363,620,776
2021-05-12$36.30$38.75129.7%36.6%79.8%29.6%146.6%-18.3%-2.1%-985.6K-437.4M-5.4M0.607.72N/AN/A159,21695,660980,9923,635,224
2021-05-13$41.42$38.75136.2%38.6%91.3%31.5%148.7%-27.4%-1.7%14.0M-1.08B-6.1M0.579.41N/AN/A584,560331,7441,039,7723,650,040
2021-05-14$40.05$38.75121.9%35.0%92.1%27.4%127.0%-17.0%0.2%20.0M-872.0M-5.7M0.448.19N/AN/A332,404146,4321,142,2203,665,472
2021-05-17$44.96$38.75134.7%38.4%98.2%31.1%141.2%-18.7%-3.7%12.2M-1.23B-5.9M0.409.10N/AN/A418,284168,032922,4443,576,624
2021-05-18$45.77$38.75132.3%37.8%96.2%30.4%141.2%-21.1%-3.6%16.1M-1.36B-6.4M0.437.15N/AN/A406,412172,7521,018,3723,627,584
2021-05-19$41.78$40.00130.8%37.5%102.4%29.9%138.2%-18.5%-3.2%4.4M-856.8M-6.1M0.757.53N/AN/A228,068171,6121,051,2923,666,660
2021-05-20$42.54$40.00122.2%35.2%100.5%27.5%134.5%-18.9%-3.0%6.2M-949.2M-6.0M0.434.87N/AN/A176,37676,3481,078,4083,689,948
2021-05-21$44.23$40.00119.8%34.6%101.2%26.8%135.7%-20.6%-3.0%7.8M-1.19B-6.0M0.604.82N/AN/A381,884229,5841,105,4683,693,388
2021-05-24$44.98$45.00121.8%35.8%92.1%27.4%136.3%-20.4%-1.3%9.3M-1.15B-6.0M0.516.46N/AN/A310,368159,524860,9723,283,556
2021-05-25$52.95$45.00149.8%44.9%107.5%35.4%166.4%-28.1%-5.2%18.4M-2.01B-7.3M0.396.24N/AN/A806,156316,368957,0323,335,256
2021-05-26$60.22$45.00166.5%50.1%115.6%40.2%187.3%-27.6%-7.0%26.8M-2.93B-8.5M0.515.48N/AN/A887,912452,9241,068,0603,450,904
2021-05-27$63.80$48.75178.0%54.4%116.1%43.5%202.0%-32.3%-7.2%32.4M-3.37B-9.4M0.416.86N/AN/A812,508334,7601,154,0843,563,132
2021-05-28$55.82$50.00168.5%51.0%127.5%40.8%191.3%-29.9%-5.5%6.7M-2.18B-8.7M0.625.66N/AN/A695,864434,1441,217,6963,628,016