IBKR Options History — May 2008

In May 2008, IBKR traded between $7.46 and $8.25. ATM implied volatility averaged 40.4%, placing in the 21.9% IV rank vs the trailing year. The 30-day expected move averaged 11.2%. IV traded below realized volatility by 1.8% (HV 20d: 42.2%). Max pain ranged from $7.50 to $7.50. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 14 of 21 days. Put/call ratio averaged 1.73.

Notable Days

  • 2008-05-07: Highest Volume — 23,036 contracts
  • 2008-05-09: Largest IV drop — 30.3% change
  • 2008-05-08: Highest IV Rank — 36.0%
  • 2008-05-08: Largest Expected Move — 13.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$8.00$7.46$8.25$8.04$8.14
Max Pain$7.50$7.50$7.50$7.50$7.50
ATM IV40.4%33.1%51.6%39.4%33.1%
Expected Move11.2%9.5%13.0%11.3%9.5%
HV 20d42.2%23.2%52.2%52.1%30.2%
HV 60d58.6%57.9%59.6%59.6%57.9%
IV Rank21.9%12.8%36.0%20.7%12.8%
IV Percentile60.4%18.7%85.9%63.1%18.7%
Term Structure0.7%-2.3%4.7%3.9%2.0%
VWIV40.5%33.8%45.6%39.0%33.8%
Skew 25d5.1%0.1%8.9%0.1%4.1%
Skew 10d13.2%0.6%24.1%0.6%24.1%
Call IV 25d37.2%33.6%39.7%38.3%33.6%
Put IV 25d42.3%37.7%47.8%38.4%37.7%
Bid-Ask Spread %19.0110.8231.9816.5419.00
Gamma HHI0.470.380.580.450.58
Net GEX1.1M553.6K1.6M1.4M1.0M
Net DEX-28.8M-42.0M-7.3M-39.1M-22.9M
Net VEX-112.2K-138.0K-82.8K-135.6K-86.2K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.730.0819.000.380.08
Total Volume5,581.52452423,0369,6522,312
Total OI146,385.143123,192169,256159,044124,472

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2008-05-01$8.04$7.5039.4%11.3%52.1%20.7%39.0%0.1%3.9%1.4M-39.1M-135.6K0.3816.54N/AN/A6,9922,660106,71252,332
2008-05-02$7.96$7.5040.5%11.6%52.1%22.1%40.6%4.4%-0.0%1.4M-36.0M-138.0K1.0425.31N/AN/A2,9683,084108,24853,524
2008-05-05$8.06$7.5046.9%11.8%52.1%30.1%41.0%5.2%1.1%1.5M-38.8M-135.3K0.3731.98N/AN/A6,8522,568108,94854,744
2008-05-06$8.06$7.5045.6%11.8%52.2%28.4%39.0%4.6%1.1%1.6M-38.8M-134.6K1.2430.44N/AN/A2,0362,516113,04856,208
2008-05-07$8.18$7.5040.1%11.3%49.7%21.6%43.5%8.9%0.2%1.5M-42.0M-133.6K0.3326.76N/AN/A17,2885,748107,28055,972
2008-05-08$7.99$7.5051.6%13.0%51.0%36.0%44.9%8.5%-2.3%1.2M-31.8M-131.0K1.6418.19N/AN/A2,7884,560101,98056,588
2008-05-09$8.15$7.5036.0%10.7%49.9%16.4%44.2%7.6%4.7%1.3M-36.7M-127.6K0.9519.72N/AN/A1,7641,676102,19258,488
2008-05-12$8.25$7.5038.8%11.2%44.3%19.9%42.8%6.1%0.6%1.4M-39.6M-121.8K0.2320.80N/AN/A2,764632101,70458,544
2008-05-13$8.17$7.5042.1%11.3%44.5%24.1%43.1%4.4%1.0%1.3M-37.5M-120.0K0.5818.60N/AN/A332192100,98858,696
2008-05-14$8.20$7.5045.6%10.4%41.6%28.5%39.7%6.0%3.1%1.3M-37.5M-115.2K2.0520.39N/AN/A8841,812100,98858,668
2008-05-15$8.19$7.5037.6%10.8%41.6%18.5%40.1%4.1%2.2%1.1M-37.9M-113.3K0.4815.97N/AN/A492236101,00458,892
2008-05-16$8.09$7.5040.8%11.7%41.8%22.4%41.1%4.7%1.0%1.0M-34.8M-110.2K2.2918.45N/AN/A1,3523,100100,56058,888
2008-05-19$8.00$7.5038.1%10.9%42.2%19.1%36.4%3.8%-0.5%1.0M-23.4M-104.3K0.8117.18N/AN/A1,9681,60481,19644,880
2008-05-20$7.84$7.5037.6%10.8%41.8%18.5%37.7%4.8%0.4%952.8K-18.7M-102.6K0.2219.07N/AN/A14,9123,26082,09245,024
2008-05-21$7.68$7.5038.5%11.0%42.7%19.5%41.9%4.6%0.7%1.1M-19.1M-106.3K3.4118.85N/AN/A1,0523,59292,28045,048
2008-05-22$7.66$7.5037.9%10.9%42.7%18.9%45.6%6.0%-0.5%649.1K-10.6M-91.5K19.0010.82N/AN/A721,36876,28046,912
2008-05-23$7.46$7.5038.6%11.1%23.2%19.6%40.5%4.9%0.3%553.6K-7.3M-88.4K0.1112.61N/AN/A4,73253277,11647,540
2008-05-27$7.87$7.5039.9%11.4%30.4%21.3%37.8%4.8%-1.8%899.7K-16.4M-90.8K0.2711.02N/AN/A2,35662880,84047,524
2008-05-28$7.89$7.5040.0%11.5%29.9%21.4%38.3%6.1%-1.3%811.7K-16.0M-87.4K0.4516.63N/AN/A1,24055275,62847,908
2008-05-29$8.03$7.5039.6%11.3%30.5%20.9%38.6%3.3%-1.1%938.7K-19.6M-82.8K0.3110.87N/AN/A1,32840876,35647,796
2008-05-30$8.14$7.5033.1%9.5%30.2%12.8%33.8%4.1%2.0%1.0M-22.9M-86.2K0.0819.00N/AN/A2,13218076,36448,108