SPY Options History — August 2024

In August 2024, SPY traded between $515.42 and $561.67. ATM implied volatility averaged 15.9%, placing in the 34.3% IV rank vs the trailing year. The 30-day expected move averaged 4.6%. IV traded below realized volatility by 5.7% (HV 20d: 21.6%). Max pain ranged from $530.00 to $544.00. Net GEX was positive for 11 of 22 trading days. Term structure was in contango for 5 of 22 days. Put/call ratio averaged 1.23.

Notable Days

  • 2024-08-01: Highest Volume — 10,437,049 contracts
  • 2024-08-05: Largest IV spike — 47.3% change
  • 2024-08-02: Highest IV Rank — 100.0%
  • 2024-08-05: Largest Expected Move — 8.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$546.20$515.42$561.67$541.46$561.67
Max Pain$535.73$530.00$544.00$544.00$540.00
ATM IV15.9%11.6%29.4%16.7%11.6%
Expected Move4.6%3.5%8.0%5.1%3.5%
HV 20d21.6%16.0%23.9%16.0%18.7%
HV 60d14.5%10.8%15.3%10.8%15.1%
IV Rank34.3%8.3%100.0%74.5%8.3%
IV Percentile78.7%41.7%100.0%95.2%41.7%
Term Structure-0.2%-0.7%0.5%-0.5%0.5%
VWIV17.8%13.4%30.8%17.7%13.4%
Skew 25d5.5%3.4%14.1%4.0%4.1%
Skew 10d11.9%6.6%31.0%8.8%8.4%
Call IV 25d13.3%9.9%22.6%14.5%9.9%
Put IV 25d18.7%14.0%36.7%18.5%14.0%
Bid-Ask Spread %1.551.193.231.481.46
Gamma HHI0.030.020.070.030.03
Net GEX-1.33B-13.78B9.07B-10.33B5.25B
Net DEX-34.69B-101.48B123.67B5.11B-91.47B
Net VEX-786.9M-947.3M-698.5M-798.7M-738.3M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.230.931.621.071.04
Total Volume7,360,541.7735,521,84210,437,04910,437,0496,501,557
Total OI18,660,60117,087,19820,445,69517,087,19820,445,695

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2024-08-01$541.46$544.0016.7%5.1%16.0%74.5%17.7%4.0%-0.5%-10.33B5.11B-798.7M1.071.48N/AN/A5,034,6245,402,4254,931,16412,156,034
2024-08-02$531.82$544.0020.0%6.1%16.7%100.0%22.6%6.2%-0.5%-13.78B61.60B-876.6M1.421.89N/AN/A3,817,2385,424,2785,355,67012,297,305
2024-08-05$515.42$540.0029.4%8.0%19.7%100.0%30.8%14.1%-0.7%-11.24B123.67B-947.3M1.623.23N/AN/A2,577,4734,175,1425,348,87011,972,561
2024-08-06$526.10$537.0020.9%5.9%21.4%56.2%22.3%8.1%-0.1%-9.34B57.53B-883.1M1.222.00N/AN/A3,300,1954,041,4455,440,15312,006,788
2024-08-07$520.51$533.0022.1%6.2%21.1%62.2%22.8%8.3%-0.2%-10.61B76.35B-882.3M1.351.95N/AN/A3,813,9665,160,9065,617,70412,178,253
2024-08-08$530.16$530.0019.6%5.5%22.5%49.4%22.1%6.9%-0.2%-6.46B21.16B-864.6M1.371.43N/AN/A3,263,4504,480,5725,688,12612,410,259
2024-08-09$532.88$530.0017.4%5.0%22.5%38.3%19.7%5.7%-0.1%-6.28B6.89B-835.6M1.271.58N/AN/A3,114,8713,965,3395,660,90112,537,827
2024-08-12$531.96$530.0017.9%5.1%22.4%40.5%19.9%6.4%-0.1%-8.07B15.21B-819.1M1.311.55N/AN/A2,967,8233,891,5545,336,69412,458,227
2024-08-13$541.45$530.0015.8%4.5%23.4%29.7%18.3%5.3%0.0%-9.5M-40.86B-765.8M1.511.35N/AN/A2,951,5644,452,2155,390,72712,665,008
2024-08-14$543.52$530.0013.9%4.1%23.2%20.2%16.6%4.2%0.2%-625.4M-46.89B-766.6M1.091.29N/AN/A3,244,0703,528,1625,466,60113,332,524
2024-08-15$552.78$530.0012.8%3.8%23.9%14.4%14.9%3.4%0.4%9.07B-101.48B-698.5M1.541.28N/AN/A3,389,6665,207,6015,473,65913,405,784
2024-08-16$553.97$533.0012.7%3.7%23.7%14.2%15.1%3.4%0.5%7.56B-93.49B-726.1M1.321.24N/AN/A2,955,9313,914,5165,488,08714,704,049
2024-08-19$558.16$533.0012.6%3.6%23.5%13.7%14.1%3.6%-0.2%5.45B-96.21B-705.8M1.051.26N/AN/A2,999,5613,144,4224,965,02813,208,885
2024-08-20$558.48$535.0013.2%3.8%23.5%16.7%14.1%4.0%-0.2%2.24B-89.12B-735.2M1.421.25N/AN/A2,323,4023,310,0965,076,61313,327,642
2024-08-21$560.00$535.0013.6%3.9%21.9%18.7%15.7%4.3%-0.4%4.39B-90.86B-746.1M0.931.19N/AN/A3,402,0483,155,0725,181,36813,537,488
2024-08-22$555.63$535.0014.3%4.1%22.2%22.4%16.1%5.0%-0.4%-4.17B-65.74B-766.6M0.981.29N/AN/A4,406,5034,314,1965,213,53513,585,104
2024-08-23$561.06$537.0013.0%3.8%22.3%15.7%15.0%4.2%-0.4%8.18B-99.73B-739.1M1.231.48N/AN/A4,026,8274,940,5685,442,87613,795,792
2024-08-26$560.26$540.0013.1%3.9%22.3%15.9%15.4%4.3%-0.3%1.61B-81.57B-745.3M1.021.25N/AN/A3,425,6303,500,0265,252,00114,193,809
2024-08-27$561.60$540.0012.5%3.7%22.1%13.1%13.6%4.4%-0.3%5.51B-89.75B-741.9M1.051.37N/AN/A2,843,2472,999,7545,341,58714,449,310
2024-08-28$558.71$540.0013.5%4.0%21.4%17.8%16.5%5.2%-0.4%117.6M-70.52B-765.0M1.051.38N/AN/A2,688,6852,833,1575,379,11014,573,344
2024-08-29$558.78$540.0012.6%3.8%20.0%13.3%14.8%4.8%-0.3%2.18B-73.09B-765.2M1.151.86N/AN/A3,276,8413,765,3015,497,87714,743,183
2024-08-30$561.67$540.0011.6%3.5%18.7%8.3%13.4%4.1%0.5%5.25B-91.47B-738.3M1.041.46N/AN/A3,193,2303,308,3275,521,40614,924,289