CNP Options History — October 2025

In October 2025, CNP traded between $38.16 and $40.20. ATM implied volatility averaged 23.3%, placing in the 26.2% IV rank vs the trailing year. The 30-day expected move averaged 6.7%. IV traded above realized volatility by 7.9% (HV 20d: 15.4%). Max pain ranged from $37.00 to $38.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 3 of 23 days. Put/call ratio averaged 0.78.

Notable Days

  • 2025-10-16: Highest Volume — 2,856 contracts
  • 2025-10-13: Largest IV spike — 18.7% change
  • 2025-10-14: Highest IV Rank — 44.2%
  • 2025-10-22: Largest Expected Move — 7.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$39.36$38.16$40.20$38.25$38.40
Max Pain$37.13$37.00$38.00$38.00$37.00
ATM IV23.3%21.0%28.3%22.9%22.9%
Expected Move6.7%6.2%7.5%6.6%6.6%
HV 20d15.4%13.0%16.9%15.4%13.0%
HV 60d15.3%13.3%17.1%16.2%13.7%
IV Rank26.2%18.5%44.2%25.6%24.5%
IV Percentile72.9%54.0%94.0%73.8%75.4%
Term Structure-1.0%-3.2%0.9%0.3%-1.5%
VWIV24.0%22.0%26.5%23.7%22.8%
Skew 25d2.6%0.8%7.4%1.0%2.4%
Skew 10d3.3%-10.8%16.4%0.1%7.0%
Call IV 25d22.4%20.0%23.6%23.4%22.3%
Put IV 25d25.0%23.1%28.0%24.4%24.7%
Bid-Ask Spread %74.6655.52102.7687.2677.26
Gamma HHI0.360.280.600.290.31
Net GEX4.1M2.5M7.5M3.3M2.6M
Net DEX-38.6M-57.4M-21.5M-27.0M-21.5M
Net VEX-144.3K-169.3K-124.0K-169.3K-124.0K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.780.044.652.470.27
Total Volume967.6522922,8561,195339
Total OI35,876.17428,93741,54638,64332,352

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-10-01$38.25$38.0022.9%6.6%15.4%25.6%23.7%1.0%0.3%3.3M-27.0M-169.3K2.4787.26N/AN/A34485126,23512,408
2025-10-02$38.16$38.0022.5%6.4%15.3%23.9%22.2%2.7%0.9%3.2M-24.2M-166.8K0.24102.76N/AN/A3077326,40212,703
2025-10-03$39.02$38.0022.1%6.3%16.9%22.6%22.6%2.4%0.9%4.3M-38.6M-169.2K0.2599.79N/AN/A89922126,35912,718
2025-10-06$39.45$37.0022.8%6.8%16.1%25.1%25.3%2.7%-1.5%4.9M-46.3M-164.1K0.3055.52N/AN/A1,50845926,37412,786
2025-10-07$39.33$37.0022.9%6.8%16.1%25.5%23.1%2.5%-1.8%4.6M-43.6M-161.7K0.3356.35N/AN/A34011325,76112,985
2025-10-08$39.55$37.0021.0%6.5%16.1%18.5%23.2%2.3%-0.8%5.1M-48.6M-155.9K0.8258.41N/AN/A1,15994825,86413,035
2025-10-09$39.19$37.0021.4%6.6%16.3%18.7%24.5%2.2%-1.3%4.6M-39.5M-156.7K4.6561.30N/AN/A14266025,94713,922
2025-10-10$39.41$37.0023.3%7.1%16.4%25.6%24.4%3.0%-1.9%4.6M-44.2M-159.5K0.4976.61N/AN/A23111425,95214,326
2025-10-13$39.31$37.0027.6%6.8%16.5%41.6%25.3%2.4%-1.8%4.9M-41.8M-150.2K0.1078.39N/AN/A5736025,93914,343
2025-10-14$39.40$37.0028.3%7.0%14.7%44.2%26.3%2.9%-0.0%5.6M-45.3M-151.4K0.1382.02N/AN/A6148126,20714,346
2025-10-15$39.94$37.0023.7%6.8%14.9%27.3%23.5%2.5%-1.0%7.1M-57.4M-141.5K0.0969.17N/AN/A7566526,41314,367
2025-10-16$39.86$37.0025.0%7.2%15.0%32.2%26.3%7.4%-1.5%7.0M-55.6M-140.5K0.2068.29N/AN/A2,37847826,65714,394
2025-10-17$39.67$37.0024.1%6.9%15.2%28.7%26.2%3.2%-1.2%7.5M-52.7M-133.7K2.0361.23N/AN/A27255126,93214,614
2025-10-20$40.20$37.0024.3%7.0%15.7%29.4%23.1%3.5%-1.8%2.5M-37.8M-128.2K0.0458.02N/AN/A7362618,27310,664
2025-10-21$39.88$37.0023.2%6.6%15.7%25.4%24.0%3.2%-1.0%2.6M-35.5M-130.9K0.3256.02N/AN/A2247118,84710,679
2025-10-22$40.04$37.0026.3%7.5%15.7%36.8%26.5%4.7%-3.2%2.6M-37.6M-129.7K0.3784.92N/AN/A66925018,92310,698
2025-10-23$39.75$37.0021.7%6.2%15.1%20.0%22.1%1.8%-1.0%2.8M-34.0M-131.3K0.4667.73N/AN/A67331119,00210,759
2025-10-24$39.39$37.0021.9%6.3%15.3%20.8%22.0%2.1%-0.1%2.6M-32.1M-132.3K0.4083.96N/AN/A2088419,22610,957
2025-10-27$39.67$37.0021.9%6.3%15.1%20.9%22.9%0.8%-0.3%2.7M-32.6M-130.4K0.0789.12N/AN/A2,13515319,24010,986
2025-10-28$39.53$37.0021.7%6.2%14.6%20.0%24.6%2.3%-1.5%3.2M-34.2M-131.8K0.1466.00N/AN/A4626620,86711,085
2025-10-29$39.07$37.0022.6%6.5%14.4%23.2%23.9%1.5%-0.6%2.9M-29.0M-130.3K0.0898.91N/AN/A1,2029621,13911,129
2025-10-30$38.92$37.0022.3%6.4%14.5%22.2%23.7%1.3%-0.3%2.9M-28.6M-128.9K3.7278.25N/AN/A7527921,18411,153
2025-10-31$38.40$37.0022.9%6.6%13.0%24.5%22.8%2.4%-1.5%2.6M-21.5M-124.0K0.2777.26N/AN/A2667321,19511,157