GEN Options History — September 2025

In September 2025, GEN traded between $28.37 and $29.82. ATM implied volatility averaged 23.7%, placing in the 13.6% IV rank vs the trailing year. The 30-day expected move averaged 6.8%. IV traded above realized volatility by 4.7% (HV 20d: 19.0%). Max pain ranged from $27.00 to $29.00. Net GEX was positive for 9 of 21 trading days. Term structure was in contango for 18 of 21 days. Put/call ratio averaged 2.58.

Notable Days

  • 2025-09-16: Highest Volume — 4,339 contracts
  • 2025-09-08: Largest IV spike — 19.5% change
  • 2025-09-03: Highest IV Rank — 18.3%
  • 2025-09-03: Largest Expected Move — 7.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$29.08$28.37$29.82$29.56$28.37
Max Pain$28.81$27.00$29.00$27.00$29.00
ATM IV23.7%21.5%26.1%24.0%24.6%
Expected Move6.8%6.4%7.5%6.9%7.0%
HV 20d19.0%13.7%35.0%35.0%15.7%
HV 60d26.4%25.3%27.0%27.0%25.4%
IV Rank13.6%9.3%18.3%14.2%15.3%
IV Percentile37.8%11.1%58.3%40.5%51.6%
Term Structure4.8%-5.8%8.3%-1.8%8.3%
VWIV23.8%19.4%25.5%25.0%25.4%
Skew 25d2.3%-0.4%3.9%2.2%-0.0%
Skew 10d4.8%-8.6%13.4%3.6%-8.6%
Call IV 25d22.7%20.5%25.4%24.4%25.4%
Put IV 25d25.0%23.3%27.3%26.6%25.3%
Bid-Ask Spread %76.6650.5889.4375.3259.38
Gamma HHI0.210.170.240.190.23
Net GEX-83.6K-386.5K575.4K95.5K-386.5K
Net DEX4.5M-3.1M10.8M1.1M9.2M
Net VEX-116.6K-127.8K-105.7K-118.3K-105.7K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio2.580.078.370.141.10
Total Volume1,025.3812584,339788366
Total OI29,056.52425,30131,68625,30128,939

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-09-02$29.56$27.0024.0%6.9%35.0%14.2%25.0%2.2%-1.8%95.5K1.1M-118.3K0.1475.32N/AN/A6939511,56813,733
2025-09-03$29.48$27.0026.1%7.5%34.6%18.3%25.5%3.1%-2.0%115.0K1.5M-118.5K0.1878.52N/AN/A2274211,88313,776
2025-09-04$29.46$29.0024.6%6.7%34.6%15.3%19.4%2.5%5.0%155.2K816.4K-118.8K0.7050.58N/AN/A15210612,11313,811
2025-09-05$29.49$29.0021.5%7.1%33.7%9.3%24.3%1.5%4.1%133.4K658.7K-118.2K0.0776.37N/AN/A2,78620812,16013,898
2025-09-08$29.82$29.0025.7%6.4%18.8%17.5%22.4%2.2%5.7%575.4K-3.1M-121.4K0.8081.80N/AN/A66853513,82814,075
2025-09-09$29.44$29.0024.4%6.7%18.7%14.9%23.7%2.5%4.5%411.2K706.0K-118.5K0.2079.90N/AN/A66213513,95614,567
2025-09-10$29.35$29.0023.7%6.8%13.7%13.6%23.6%2.1%4.2%392.6K1.3M-119.0K5.0180.24N/AN/A4902,45514,23114,669
2025-09-11$29.63$29.0022.8%6.5%13.9%11.8%23.4%2.5%4.6%190.0K1.4M-127.8K3.6074.45N/AN/A17462714,28316,910
2025-09-12$29.21$29.0022.9%6.6%14.1%12.0%23.4%2.3%5.5%17.4K5.2M-123.4K1.2084.23N/AN/A33139714,32516,806
2025-09-15$28.77$29.0022.6%6.5%14.6%11.3%23.4%1.9%5.4%-242.1K9.5M-116.2K0.2181.69N/AN/A71815314,45116,824
2025-09-16$28.56$29.0024.6%7.0%14.7%15.3%25.0%2.0%3.7%-365.9K10.8M-114.7K4.8281.84N/AN/A7453,59414,81216,874
2025-09-17$28.58$29.0022.3%6.4%14.1%10.9%23.4%3.9%5.4%-357.9K9.1M-113.1K1.9189.43N/AN/A30257614,99816,504
2025-09-18$28.89$29.0022.6%6.5%15.2%11.4%24.1%3.3%-5.8%-284.9K6.7M-115.3K0.7985.57N/AN/A19615515,09216,471
2025-09-19$29.14$29.0023.8%6.8%15.8%13.8%22.6%2.2%6.6%-300.7K4.1M-116.0K0.2484.23N/AN/A1,28530615,19216,311
2025-09-22$28.81$29.0023.4%6.7%15.0%13.1%23.8%3.1%8.1%-306.0K5.8M-115.8K1.3162.17N/AN/A12716712,97615,700
2025-09-23$28.91$29.0023.6%6.8%15.0%13.3%24.3%2.3%7.4%-290.6K5.3M-116.4K5.9273.59N/AN/A7142013,08015,737
2025-09-24$28.98$29.0024.1%6.9%14.8%14.3%24.6%2.5%8.0%-287.1K4.8M-116.0K4.8977.18N/AN/A8340613,12115,781
2025-09-25$28.52$29.0024.1%6.9%15.5%14.2%24.1%3.7%7.7%-350.1K8.0M-112.2K7.6284.35N/AN/A4232013,14315,784
2025-09-26$28.77$29.0022.8%6.5%15.5%11.9%23.2%3.8%8.0%-339.5K6.4M-112.5K5.0389.16N/AN/A6030213,13115,749
2025-09-29$28.91$29.0023.8%6.8%15.7%13.8%25.4%-0.4%8.2%-329.2K5.5M-110.5K8.3759.89N/AN/A3831813,14815,777
2025-09-30$28.37$29.0024.6%7.0%15.7%15.3%25.4%-0.0%8.3%-386.5K9.2M-105.7K1.1059.38N/AN/A17419213,15315,786