CEG Options History — September 2025

In September 2025, CEG traded between $299.56 and $345.59. ATM implied volatility averaged 42.8%, placing in the 9.9% IV rank vs the trailing year. The 30-day expected move averaged 12.3%. IV traded above realized volatility by 11.0% (HV 20d: 31.8%). Max pain ranged from $300.00 to $330.00. Net GEX was positive for 14 of 21 trading days. Term structure was in contango for 12 of 21 days. Put/call ratio averaged 0.90.

Notable Days

  • 2025-09-10: Highest Volume — 24,039 contracts
  • 2025-09-10: Largest IV spike — 6.4% change
  • 2025-09-29: Highest IV Rank — 15.4%
  • 2025-09-29: Largest Expected Move — 13.2%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$321.98$299.56$345.59$307.33$329.60
Max Pain$314.17$300.00$330.00$300.00$327.50
ATM IV42.8%39.4%46.1%40.8%45.2%
Expected Move12.3%11.3%13.2%11.9%13.1%
HV 20d31.8%24.1%39.4%26.5%37.0%
HV 60d33.8%32.8%34.7%33.6%34.0%
IV Rank9.9%5.6%15.4%8.5%13.7%
IV Percentile25.6%6.0%41.3%13.9%36.5%
Term Structure0.1%-1.8%2.5%0.4%2.1%
VWIV43.2%39.8%47.4%41.1%46.6%
Skew 25d2.5%-0.3%7.5%7.5%0.7%
Skew 10d10.8%-13.1%28.0%27.3%12.0%
Call IV 25d41.8%37.2%45.8%38.2%45.6%
Put IV 25d44.3%41.1%47.0%45.8%46.4%
Bid-Ask Spread %46.8833.0464.6260.7242.88
Gamma HHI0.090.050.330.080.06
Net GEX5.8M-43.0M52.6M-11.6M2.6M
Net DEX-541.8M-946.3M-74.0M-241.1M-499.9M
Net VEX-6.5M-6.8M-6.2M-6.4M-6.7M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.900.431.640.860.66
Total Volume8,956.7143,27824,0396,9893,278
Total OI178,590.095149,622198,483175,091162,225

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-09-02$307.33$300.0040.8%11.9%26.5%8.5%41.1%7.5%0.4%-11.6M-241.1M-6.4M0.8660.72N/AN/A3,7593,23071,589103,502
2025-09-03$307.89$300.0039.4%11.5%24.2%6.2%40.1%5.1%-0.8%-10.4M-263.7M-6.4M1.2964.62N/AN/A1,9132,46773,385105,133
2025-09-04$309.22$320.0039.4%11.3%24.1%6.2%39.8%3.8%-0.1%-7.6M-302.5M-6.4M1.2051.44N/AN/A1,9192,29974,141105,500
2025-09-05$299.67$310.0040.7%11.6%25.8%6.0%40.5%5.4%-1.2%-43.0M-74.0M-6.2M1.6451.19N/AN/A5,0808,32575,259105,942
2025-09-08$299.56$310.0040.5%11.7%25.8%5.6%40.4%3.3%0.3%-10.6M-121.2M-6.2M0.8148.11N/AN/A4,0863,32073,368103,909
2025-09-09$302.12$310.0040.7%11.7%26.1%6.0%40.3%3.0%0.1%-8.2M-195.4M-6.2M0.9448.95N/AN/A3,4723,24775,645105,730
2025-09-10$319.83$310.0043.3%12.4%33.1%10.5%44.0%2.1%-0.2%9.2M-654.3M-6.5M0.9052.97N/AN/A12,67411,36577,083108,870
2025-09-11$317.87$310.0042.2%12.2%31.0%8.5%42.8%1.8%0.3%9.2M-585.9M-6.5M0.4348.67N/AN/A5,2662,28081,393112,688
2025-09-12$324.25$310.0041.5%12.0%31.9%7.4%42.1%2.5%0.3%52.6M-781.7M-6.5M0.6843.56N/AN/A6,5444,48082,441113,826
2025-09-15$329.50$310.0042.4%12.1%31.6%9.0%42.7%1.9%-0.9%16.2M-852.4M-6.5M0.9647.09N/AN/A4,8904,67280,198110,311
2025-09-16$323.43$310.0043.5%12.5%32.4%10.9%43.2%1.9%-1.8%10.2M-680.3M-6.5M0.6255.17N/AN/A4,4032,73882,115111,695
2025-09-17$321.96$310.0042.7%12.3%31.6%9.5%43.0%2.1%-1.0%9.7M-667.8M-6.6M0.7754.18N/AN/A2,3351,80483,072113,046
2025-09-18$323.06$310.0043.3%12.4%31.5%10.5%43.3%1.5%-0.9%13.2M-697.0M-6.6M0.4451.27N/AN/A4,1871,85183,260113,835
2025-09-19$330.85$310.0043.2%12.4%32.4%10.3%42.8%2.3%0.2%39.9M-946.3M-6.5M0.5752.44N/AN/A7,4424,26384,030114,453
2025-09-22$345.59$310.0044.8%12.8%35.1%13.1%46.0%0.9%0.1%15.4M-837.1M-6.4M0.6933.26N/AN/A9,0826,25160,55989,063
2025-09-23$338.13$320.0045.0%13.1%36.4%13.4%46.4%1.9%1.0%14.7M-713.1M-6.6M1.4533.53N/AN/A4,4496,45064,80392,295
2025-09-24$339.27$320.0045.0%13.1%36.0%13.3%45.9%-0.3%-0.3%12.5M-723.7M-6.7M0.8333.04N/AN/A3,7183,09365,99496,795
2025-09-25$325.96$330.0045.2%13.0%39.2%13.7%45.9%1.7%0.9%-2.2M-407.9M-6.8M0.9038.91N/AN/A4,5194,06667,78898,780
2025-09-26$331.71$330.0043.6%12.4%39.4%11.0%43.7%1.4%0.3%5.8M-543.7M-6.8M0.8637.52N/AN/A4,9324,25167,96299,642
2025-09-29$334.74$330.0046.1%13.2%36.4%15.4%47.4%1.4%2.5%5.2M-588.7M-6.7M1.4134.95N/AN/A4,0135,67863,51995,548
2025-09-30$329.60$327.5045.2%13.1%37.0%13.7%46.6%0.7%2.1%2.6M-499.9M-6.7M0.6642.88N/AN/A1,9701,30865,49596,730