CNP Options History — August 2025

In August 2025, CNP traded between $37.50 and $39.22. ATM implied volatility averaged 18.6%, placing in the 9.8% IV rank vs the trailing year. The 30-day expected move averaged 5.3%. IV traded below realized volatility by 0.1% (HV 20d: 18.6%). Max pain ranged from $36.00 to $37.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 19 of 21 days. Put/call ratio averaged 3.28.

Notable Days

  • 2025-08-22: Highest Volume — 2,667 contracts
  • 2025-08-11: Largest IV spike — 12.6% change
  • 2025-08-06: Highest IV Rank — 15.5%
  • 2025-08-01: Largest Expected Move — 5.6%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$38.30$37.50$39.22$38.88$37.73
Max Pain$36.95$36.00$37.00$36.00$37.00
ATM IV18.6%16.4%20.1%19.6%17.4%
Expected Move5.3%4.7%5.6%5.6%5.0%
HV 20d18.6%10.5%21.6%20.5%10.8%
HV 60d15.8%15.3%17.4%17.3%15.5%
IV Rank9.8%2.1%15.5%13.5%5.4%
IV Percentile20.8%2.0%44.4%32.9%6.3%
Term Structure0.8%-0.5%1.8%-0.5%0.5%
VWIV18.4%8.9%21.1%19.1%19.7%
Skew 25d2.1%0.9%6.4%2.1%2.6%
Skew 10d2.9%-21.3%8.3%-21.3%6.2%
Call IV 25d17.7%11.4%18.9%18.6%17.5%
Put IV 25d19.8%17.8%20.6%20.6%20.2%
Bid-Ask Spread %65.7542.88100.09100.0966.03
Gamma HHI0.260.200.290.250.28
Net GEX2.9M2.2M3.3M2.7M3.2M
Net DEX-32.9M-45.5M-21.8M-41.3M-26.0M
Net VEX-167.7K-184.0K-156.2K-184.0K-160.1K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio3.280.0552.740.3452.74
Total Volume528.191052,6673991,236
Total OI32,006.1927,42734,32133,47031,558

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-08-01$38.88$36.0019.6%5.6%20.5%13.5%19.1%2.1%-0.5%2.7M-41.3M-184.0K0.34100.09N/AN/A29710224,5798,891
2025-08-04$39.22$37.0019.3%5.4%20.6%12.4%19.1%1.4%1.4%3.0M-45.5M-180.0K0.4556.62N/AN/A24811224,6808,924
2025-08-05$38.86$37.0019.8%5.5%20.9%14.2%21.1%1.8%1.3%2.9M-41.5M-182.3K2.8968.28N/AN/A8123424,7838,944
2025-08-06$38.74$37.0020.1%5.5%21.0%15.5%19.1%0.9%0.9%3.0M-40.8M-175.8K0.9862.44N/AN/A565524,7938,971
2025-08-07$38.97$37.0019.4%5.3%21.0%13.0%19.4%1.6%1.5%3.0M-42.6M-177.0K0.0969.39N/AN/A2122024,7959,129
2025-08-08$38.66$37.0017.6%5.3%21.4%6.5%19.2%1.7%1.8%3.2M-39.5M-176.8K0.2461.37N/AN/A1994824,9709,135
2025-08-11$38.57$37.0019.9%5.3%21.5%14.6%18.5%1.4%0.6%3.0M-39.6M-172.0K0.0877.32N/AN/A7155625,0949,134
2025-08-12$38.36$37.0019.3%5.4%21.6%12.4%19.1%2.2%0.8%3.1M-36.0M-165.1K0.5777.96N/AN/A33018924,9749,136
2025-08-13$38.59$37.0018.1%5.2%21.5%8.2%18.3%1.5%1.1%3.3M-37.6M-168.5K0.4879.51N/AN/A713425,0089,297
2025-08-14$38.39$37.0018.6%5.3%21.4%9.9%17.0%2.0%0.7%3.1M-36.4M-165.2K0.4348.37N/AN/A1044525,0039,305
2025-08-15$38.08$37.0018.4%5.3%20.9%9.1%19.8%0.9%1.1%3.1M-32.2M-164.1K1.2480.31N/AN/A43754024,9999,322
2025-08-18$37.74$37.0017.9%5.1%21.2%7.5%18.5%2.3%0.9%2.2M-21.8M-156.6K0.2242.88N/AN/A55412019,4238,004
2025-08-19$38.14$37.0018.6%5.3%21.1%9.9%18.8%2.6%0.1%2.5M-25.7M-160.2K2.0243.83N/AN/A22745819,8878,048
2025-08-20$38.48$37.0018.5%5.3%19.8%9.4%18.0%1.7%0.6%2.6M-29.2M-167.5K0.3546.21N/AN/A2418520,1028,462
2025-08-21$38.08$37.0018.5%5.3%18.8%9.5%18.8%1.8%0.3%2.5M-27.7M-164.4K0.3649.18N/AN/A2438720,1338,461
2025-08-22$38.05$37.0016.4%4.7%18.0%2.1%8.9%6.4%1.2%2.8M-25.8M-162.9K0.0585.26N/AN/A2,54112620,2478,479
2025-08-25$37.81$37.0017.9%5.1%14.5%7.3%19.5%2.0%0.7%3.2M-27.4M-164.5K1.6863.18N/AN/A14223822,6768,500
2025-08-26$37.83$37.0018.3%5.2%12.2%8.7%18.5%3.2%-0.0%3.1M-27.3M-161.0K0.7576.37N/AN/A1319822,7758,588
2025-08-27$37.66$37.0017.5%5.0%12.2%6.0%18.1%2.7%0.9%3.1M-25.4M-157.8K0.7055.51N/AN/A795522,8398,598
2025-08-28$37.50$37.0018.6%5.3%10.5%9.9%18.3%1.3%0.5%3.0M-22.6M-156.2K2.3270.63N/AN/A7417222,8678,617
2025-08-29$37.73$37.0017.4%5.0%10.8%5.4%19.7%2.6%0.5%3.2M-26.0M-160.1K52.7466.03N/AN/A231,21322,9128,646