IGV Options History — August 2025

In August 2025, IGV traded between $106.00 and $111.52. ATM implied volatility averaged 22.1%, placing in the 15.2% IV rank vs the trailing year. The 30-day expected move averaged 6.3%. IV traded above realized volatility by 3.9% (HV 20d: 18.2%). Max pain ranged from $99.00 to $113.00. Net GEX was positive for 3 of 21 trading days. Term structure was in contango for 12 of 21 days. Put/call ratio averaged 3.59.

Notable Days

  • 2025-08-18: Highest Volume — 14,664 contracts
  • 2025-08-07: Largest IV spike — 26.5% change
  • 2025-08-07: Highest IV Rank — 26.6%
  • 2025-08-01: Largest Expected Move — 7.7%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$108.53$106.00$111.52$108.72$108.03
Max Pain$111.38$99.00$113.00$99.00$109.00
ATM IV22.1%20.1%27.2%25.3%21.6%
Expected Move6.3%5.8%7.7%7.7%6.2%
HV 20d18.2%16.5%20.6%16.5%18.1%
HV 60d16.8%16.0%17.8%17.5%16.9%
IV Rank15.2%10.8%26.6%22.2%14.1%
IV Percentile41.9%17.1%79.4%71.4%38.1%
Term Structure0.1%-2.9%1.6%-1.2%-0.0%
VWIV22.5%20.2%26.8%26.8%21.5%
Skew 25d5.2%-6.0%13.9%6.9%2.8%
Skew 10d7.3%0.3%17.9%2.4%5.5%
Call IV 25d18.1%10.2%25.7%22.1%10.2%
Put IV 25d23.3%13.1%30.7%28.9%13.1%
Bid-Ask Spread %46.1635.0574.2074.2054.91
Gamma HHI0.110.080.220.100.08
Net GEX-11.8M-23.6M2.1M-7.4M-10.2M
Net DEX-92.6M-341.0M166.7M-187.5M34.8M
Net VEX-1.0M-1.2M-884.8K-1.0M-1.2M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio3.590.2511.859.704.33
Total Volume6,887.2861,42114,66412,56910,599
Total OI105,938.8162,316134,185120,77895,506

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2025-08-01$108.72$99.0025.3%7.7%16.5%22.2%26.8%6.9%-1.2%-7.4M-187.5M-1.0M9.7074.201,17511,39459,37861,400
2025-08-04$110.88$112.0022.6%6.3%17.9%16.3%21.5%8.7%0.3%2.1M-325.0M-906.6K6.3535.055353,39657,94257,697
2025-08-05$110.66$112.0022.3%6.3%17.9%15.8%20.9%5.7%-0.1%-441.9K-307.9M-921.6K0.2547.471,64140958,24860,838
2025-08-06$111.52$112.0021.5%6.1%18.1%14.0%20.7%3.4%0.4%2.0M-341.0M-884.8K1.4935.7857085158,43461,172
2025-08-07$109.32$112.0027.2%6.7%18.3%26.6%22.1%7.1%-2.9%-4.0M-257.3M-937.3K1.5844.863,4505,45958,69961,961
2025-08-08$109.64$113.0020.7%6.1%17.2%12.2%21.1%-2.9%0.7%1.5M-268.0M-920.7K3.2654.271,0833,52861,82565,790
2025-08-11$108.44$113.0020.5%6.0%17.0%11.7%20.4%11.3%1.2%-10.0M-212.6M-885.7K6.0445.231,3388,08361,14666,909
2025-08-12$109.65$113.0020.1%5.9%17.5%10.8%21.6%9.8%0.6%-8.0M-250.8M-889.9K3.8638.011,3825,34160,75169,685
2025-08-13$109.27$113.0020.2%6.1%17.4%10.9%21.9%7.2%0.9%-9.5M-236.7M-898.6K2.2341.821,4863,31761,07669,999
2025-08-14$108.41$113.0021.2%6.1%16.9%13.2%23.9%5.3%0.2%-19.9M-183.7M-922.6K4.8743.757833,81261,98672,000
2025-08-15$109.25$113.0021.3%6.3%17.2%13.5%22.8%-6.0%0.8%-12.9M-228.0M-913.0K3.8841.101,2324,77962,28371,902
2025-08-18$109.25$113.0021.3%6.2%17.1%13.4%20.2%4.8%0.7%-16.3M36.3M-952.3K2.5737.384,11210,55219,80142,515
2025-08-19$106.60$113.0022.9%6.6%19.1%16.9%22.9%5.1%-0.8%-17.5M112.5M-1.1M1.2447.294,0495,03323,03249,599
2025-08-20$106.50$113.0023.0%6.6%18.9%17.2%26.5%6.1%-0.2%-21.7M137.9M-1.1M11.8542.127238,57025,78656,542
2025-08-21$106.00$113.0024.2%7.0%18.8%19.9%26.2%5.7%-0.7%-23.6M166.7M-1.2M2.0240.881,1312,28326,28261,980
2025-08-22$107.34$113.0021.1%6.1%19.2%13.1%22.4%-5.6%-0.2%-23.0M119.9M-1.1M2.8253.498562,41426,61063,548
2025-08-25$106.87$113.0021.4%6.0%19.2%13.7%20.9%5.0%0.2%-19.7M88.9M-1.1M0.8445.662,4852,08626,35056,670
2025-08-26$106.38$109.0022.1%6.3%19.2%15.2%22.1%6.0%0.5%-19.7M104.7M-1.2M0.9552.222,3272,22128,61358,594
2025-08-27$107.41$109.0022.3%6.3%19.7%15.6%23.4%13.9%-0.4%-17.6M62.7M-1.2M3.5849.032,7749,92329,86958,408
2025-08-28$109.07$109.0020.7%5.8%20.6%12.1%22.0%8.0%1.6%-12.5M-10.4M-1.2M1.7044.772,7634,68831,95761,932
2025-08-29$108.03$109.0021.6%6.2%18.1%14.1%21.5%2.8%-0.0%-10.2M34.8M-1.2M4.3354.911,9888,61132,42363,083