SPY Options History — October 2010

In October 2010, SPY traded between $113.75 and $118.72. ATM implied volatility averaged 17.6%, placing in the 19.4% IV rank vs the trailing year. The 30-day expected move averaged 5.3%. IV traded above realized volatility by 5.0% (HV 20d: 12.6%). Max pain ranged from $113.00 to $117.00. Net GEX was positive for 1 of 21 trading days. Term structure was in contango for 21 of 21 days. Put/call ratio averaged 1.85.

Notable Days

  • 2010-10-15: Highest Volume — 2,628,407 contracts
  • 2010-10-14: Largest IV spike — 25.2% change
  • 2010-10-29: Highest IV Rank — 33.6%
  • 2010-10-04: Largest Expected Move — 6.1%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$117.23$113.75$118.72$114.61$118.49
Max Pain$115.19$113.00$117.00$113.00$117.00
ATM IV17.6%15.0%21.9%16.4%21.9%
Expected Move5.3%4.8%6.1%4.9%5.5%
HV 20d12.6%11.1%13.8%12.9%11.1%
HV 60d16.3%15.1%17.8%17.3%15.1%
IV Rank19.4%11.0%33.6%15.6%33.6%
IV Percentile32.5%13.5%73.4%22.6%73.4%
Term Structure1.7%0.9%3.3%3.3%0.9%
VWIV19.5%17.5%22.0%18.5%20.1%
Skew 25d5.1%4.4%6.4%4.5%4.7%
Skew 10d10.2%8.2%12.5%8.2%9.1%
Call IV 25d16.1%14.6%18.3%15.5%16.7%
Put IV 25d21.2%19.2%24.7%20.0%21.3%
Bid-Ask Spread %2.591.914.051.912.44
Gamma HHI0.050.040.050.050.04
Net GEX-723.6M-1.43B169.7M-991.9M-1.16B
Net DEX-4.25B-12.37B5.13B1.92B-2.87B
Net VEX-184.2M-195.6M-172.8M-185.0M-195.6M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.851.382.691.451.58
Total Volume1,729,277.0481,144,9372,628,4071,780,3381,861,980
Total OI15,836,031.42913,531,83218,245,52115,615,98316,384,035

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2010-10-01$114.61$113.0016.4%4.9%12.9%15.6%18.5%4.5%3.3%-991.9M1.92B-185.0M1.451.91N/AN/A726,7411,053,5974,483,47811,132,505
2010-10-04$113.75$114.0019.3%6.1%12.7%25.0%22.0%6.4%1.5%-1.43B5.13B-186.4M1.942.66N/AN/A506,455982,5314,402,27311,098,581
2010-10-05$116.04$114.0019.0%5.7%13.4%24.0%21.0%5.9%1.7%-684.0M-4.11B-179.6M1.772.78N/AN/A756,9481,341,3184,503,01611,305,667
2010-10-06$116.03$114.0016.5%5.6%13.4%15.8%20.9%5.8%1.8%-501.1M-4.98B-179.9M2.693.27N/AN/A441,8201,187,0004,676,63411,611,487
2010-10-07$115.89$114.0017.3%5.6%13.4%18.4%20.8%5.8%1.8%-583.1M-4.88B-181.3M1.582.38N/AN/A716,5821,131,3134,737,10111,624,898
2010-10-08$116.54$114.0015.4%5.3%13.4%12.5%19.9%5.2%2.0%-401.8M-7.70B-178.3M1.382.24N/AN/A783,2011,077,5724,891,10711,926,674
2010-10-11$116.65$115.0016.1%5.3%13.0%14.7%20.6%5.2%1.9%-201.9M-7.70B-174.4M2.302.31N/AN/A346,953797,9844,797,50111,618,197
2010-10-12$117.01$115.0016.7%5.3%13.0%16.5%20.6%4.9%1.8%-264.6M-8.21B-172.8M2.362.32N/AN/A563,2001,330,1454,848,11411,824,579
2010-10-13$117.92$115.0015.0%5.2%13.1%11.0%19.7%4.8%1.8%169.7M-12.37B-173.1M2.202.27N/AN/A737,7171,621,1374,931,50912,274,523
2010-10-14$117.46$115.0018.8%5.4%13.3%23.4%19.5%5.5%1.8%-433.9M-8.81B-183.4M2.164.05N/AN/A644,6831,393,2414,985,38512,850,400
2010-10-15$117.70$115.0017.6%5.1%13.0%19.6%18.7%5.4%2.0%-806.1M-8.25B-183.2M1.403.52N/AN/A1,094,4421,533,9655,097,07413,148,447
2010-10-18$118.54$115.0016.7%4.8%12.3%16.5%17.9%5.0%2.2%-524.6M-5.02B-180.1M1.743.50N/AN/A485,318843,3214,267,5049,264,328
2010-10-19$116.73$115.0018.2%5.2%13.7%21.6%18.9%5.6%2.0%-1.01B1.97B-190.2M1.862.43N/AN/A452,386843,4574,447,0809,554,078
2010-10-20$117.87$116.0017.5%5.0%13.8%19.3%18.3%5.3%1.8%-825.5M-2.54B-188.9M1.532.47N/AN/A529,983811,9114,544,0439,868,245
2010-10-21$118.13$116.0017.1%4.9%13.3%18.0%17.8%4.8%1.7%-903.8M-3.22B-185.5M2.132.60N/AN/A666,0701,421,3374,627,13010,083,648
2010-10-22$118.35$116.0017.0%4.9%11.4%17.6%17.5%4.5%1.7%-1.03B-4.30B-187.9M1.512.18N/AN/A511,978772,3974,719,83810,451,925
2010-10-25$118.70$116.0017.4%5.0%11.2%19.1%18.5%4.6%1.3%-731.2M-4.92B-186.2M2.002.13N/AN/A478,916955,6324,619,60110,277,477
2010-10-26$118.72$116.0017.7%5.1%11.2%20.0%19.2%4.5%1.3%-790.5M-4.29B-188.2M1.952.15N/AN/A435,028848,3274,696,58910,483,239
2010-10-27$118.38$117.0018.5%5.3%11.2%22.5%19.4%4.7%1.2%-1.06B-1.82B-193.2M1.682.33N/AN/A636,8091,072,3154,799,73010,785,815
2010-10-28$118.40$117.0018.7%5.4%11.1%23.2%19.4%4.4%0.9%-1.04B-2.30B-194.0M1.562.46N/AN/A750,9791,168,1294,897,08811,016,117
2010-10-29$118.49$117.0021.9%5.5%11.1%33.6%20.1%4.7%0.9%-1.16B-2.87B-195.6M1.582.44N/AN/A722,1351,139,8455,045,01611,339,019