SPY Options History — December 2010

In December 2010, SPY traded between $121.01 and $125.92. ATM implied volatility averaged 15.1%, placing in the 11.3% IV rank vs the trailing year. The 30-day expected move averaged 4.3%. IV traded above realized volatility by 2.0% (HV 20d: 13.1%). Max pain ranged from $118.00 to $124.00. Net GEX was positive for 14 of 22 trading days. Term structure was in contango for 22 of 22 days. Put/call ratio averaged 1.64.

Notable Days

  • 2010-12-16: Highest Volume — 10,330,403 contracts
  • 2010-12-13: Largest IV spike — 15.3% change
  • 2010-12-13: Highest IV Rank — 23.8%
  • 2010-12-01: Largest Expected Move — 5.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$124.38$121.01$125.92$121.01$125.75
Max Pain$121.23$118.00$124.00$118.00$124.00
ATM IV15.1%12.3%18.9%18.1%12.3%
Expected Move4.3%3.8%5.5%5.5%4.2%
HV 20d13.1%4.8%17.3%16.8%4.8%
HV 60d12.6%11.3%13.4%13.2%11.3%
IV Rank11.3%2.1%23.8%21.3%2.1%
IV Percentile17.5%1.2%51.2%40.5%1.2%
Term Structure1.3%0.5%2.2%0.6%2.0%
VWIV16.4%14.5%20.7%20.7%15.5%
Skew 25d3.9%2.7%5.1%5.1%4.1%
Skew 10d7.1%4.2%9.0%9.0%7.9%
Call IV 25d13.5%11.9%16.2%16.2%13.0%
Put IV 25d17.4%15.8%21.3%21.3%17.1%
Bid-Ask Spread %2.241.303.951.752.82
Gamma HHI0.080.050.250.050.11
Net GEX218.6M-1.37B2.26B-426.2M150.2M
Net DEX-15.57B-27.86B-1.02B-10.33B-9.27B
Net VEX-157.4M-171.2M-143.4M-171.2M-167.6M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.640.242.311.371.62
Total Volume1,771,780.364697,13510,330,4031,833,3911,194,416
Total OI15,748,194.63611,613,67119,123,91716,463,85613,969,641

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2010-12-01$121.01$118.0018.1%5.5%16.8%21.3%20.7%5.1%0.6%-426.2M-10.33B-171.2M1.371.75N/AN/A774,9221,058,4695,431,89911,031,957
2010-12-02$122.56$118.0016.4%5.1%17.3%15.5%19.8%4.3%0.6%321.8M-18.59B-164.0M1.871.30N/AN/A785,7561,471,1095,559,61411,268,669
2010-12-03$122.89$118.0015.1%4.6%16.0%11.2%17.1%3.7%0.8%2.26B-21.19B-157.8M1.231.81N/AN/A895,4041,100,7625,776,15811,663,579
2010-12-06$122.76$118.0015.0%4.5%15.9%11.1%17.2%3.4%0.6%150.3M-18.82B-155.7M1.502.24N/AN/A417,925628,4875,676,48311,416,357
2010-12-07$122.83$119.0015.3%4.5%15.9%12.1%16.5%3.3%0.5%340.8M-19.31B-153.9M1.393.00N/AN/A776,7151,077,8485,739,68011,512,038
2010-12-08$123.28$120.0015.0%4.5%15.7%11.0%17.8%3.3%0.7%407.6M-20.90B-154.7M1.551.99N/AN/A479,163743,0635,834,91211,727,165
2010-12-09$123.76$120.0015.2%4.2%15.7%11.8%16.2%2.8%0.8%868.9M-24.02B-149.8M1.272.40N/AN/A564,755717,1795,894,97411,882,000
2010-12-10$124.48$120.0016.4%4.4%15.7%15.6%16.3%2.7%0.8%1.29B-27.86B-148.2M1.323.95N/AN/A688,214907,4175,968,37612,011,143
2010-12-13$124.56$120.0018.9%4.4%15.0%23.8%16.3%3.8%0.8%799.8M-27.53B-143.5M1.442.32N/AN/A517,242743,3875,935,69012,099,158
2010-12-14$124.67$120.0017.9%4.4%14.9%20.5%16.5%3.7%0.9%676.5M-26.62B-143.4M2.312.46N/AN/A678,8541,571,4616,000,46012,257,803
2010-12-15$124.10$120.0015.8%4.5%13.7%13.6%16.7%4.4%1.0%-173.5M-21.78B-151.1M1.302.27N/AN/A656,523855,3786,080,89312,867,243
2010-12-16$124.82$121.0014.9%4.3%13.7%10.7%15.8%4.0%1.4%449.5M-26.13B-146.0M0.242.55N/AN/A8,328,7482,001,6556,119,09813,004,819
2010-12-17$124.30$123.0014.5%4.2%13.1%9.3%15.1%4.3%1.7%-1.37B-1.02B-155.4M1.912.46N/AN/A559,8651,071,6134,374,28113,249,084
2010-12-20$124.60$123.0013.9%4.0%13.1%7.3%15.3%4.1%1.8%-226.5M-6.27B-156.5M2.182.31N/AN/A417,367909,0443,490,9278,122,744
2010-12-21$125.39$123.0014.4%4.1%13.2%9.0%15.2%4.0%1.5%127.7M-9.07B-158.3M1.552.30N/AN/A446,302692,2903,640,1458,473,897
2010-12-22$125.78$123.0013.3%3.8%11.6%5.3%14.5%3.9%2.0%569.5M-11.20B-158.3M2.171.98N/AN/A296,281643,3433,803,5888,700,091
2010-12-23$125.60$123.0013.7%3.9%10.9%6.8%15.6%4.2%2.1%6.8M-9.37B-164.4M2.271.78N/AN/A388,718881,7033,842,4588,961,816
2010-12-27$125.65$124.0014.6%4.2%9.6%9.6%16.1%4.1%1.9%-311.7M-8.04B-165.0M1.981.78N/AN/A247,253488,6183,782,6569,181,468
2010-12-28$125.83$124.0014.4%4.1%9.6%9.0%16.4%3.8%2.1%-351.9M-8.25B-166.4M2.051.96N/AN/A228,413468,7223,833,0199,392,762
2010-12-29$125.92$124.0014.3%4.1%9.1%8.7%15.1%3.7%2.0%-27.4M-9.13B-165.1M1.601.89N/AN/A310,141496,0043,883,1999,475,143
2010-12-30$125.72$124.0012.6%4.1%6.3%3.1%15.3%4.0%2.2%-722.3M-7.76B-167.6M2.031.89N/AN/A263,860534,7793,901,0969,622,099
2010-12-31$125.75$124.0012.3%4.2%4.8%2.1%15.5%4.1%2.0%150.2M-9.27B-167.6M1.622.82N/AN/A456,491737,9254,078,8959,890,746