CNR Options History — September 2025

In September 2025, CNR traded between $70.97 and $84.99. ATM implied volatility averaged 43.7%, placing in the 24.4% IV rank vs the trailing year. The 30-day expected move averaged 12.6%. IV traded above realized volatility by 3.3% (HV 20d: 40.5%). Max pain ranged from $70.00 to $80.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 17 of 21 days. Put/call ratio averaged 0.98.

Notable Days

  • 2025-09-10: Highest Volume — 5,256 contracts
  • 2025-09-26: Largest IV drop — 10.7% change
  • 2025-09-25: Highest IV Rank — 26.9%
  • 2025-09-25: Largest Expected Move — 13.7%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$76.59$70.97$84.99$71.56$82.83
Max Pain$72.86$70.00$80.00$75.00$80.00
ATM IV43.7%40.9%47.8%44.9%46.7%
Expected Move12.6%11.7%13.7%12.9%13.4%
HV 20d40.5%32.6%45.8%36.7%44.4%
HV 60d50.3%46.5%52.4%51.2%46.7%
IV Rank24.4%22.7%26.9%25.1%26.2%
IV Percentile31.3%16.3%54.4%39.3%48.4%
Term Structure2.2%-1.6%6.1%-0.2%2.6%
VWIV43.7%40.8%47.4%44.7%47.4%
Skew 25d3.2%-0.7%22.6%0.8%-0.7%
Skew 10d9.7%-10.2%24.2%4.0%3.5%
Call IV 25d41.7%23.8%48.0%44.0%48.0%
Put IV 25d44.9%41.9%49.1%44.8%47.3%
Bid-Ask Spread %75.2768.1490.1881.1171.24
Gamma HHI0.160.130.170.150.15
Net GEX1.6M167.2K3.4M226.7K3.4M
Net DEX-50.4M-113.9M824.8K245.2K-101.9M
Net VEX-477.2K-663.7K-219.1K-219.1K-646.6K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.980.008.430.570.41
Total Volume1,415.4291805,256600335
Total OI38,472.42930,04144,53630,04144,536

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-09-02$71.56$75.0044.9%12.9%36.7%25.1%44.7%0.8%-0.2%226.7K245.2K-219.1K0.5781.11N/AN/A38221821,3228,719
2025-09-03$71.19$75.0044.2%12.7%35.6%24.7%44.2%3.6%-1.0%167.2K824.8K-220.4K0.0390.18N/AN/A5,03817221,5198,895
2025-09-04$70.97$70.0041.9%12.3%32.6%23.3%42.6%1.1%3.6%324.3K-9.2M-331.4K1.6671.38N/AN/A14023326,5419,048
2025-09-05$75.42$70.0043.7%13.0%39.5%24.4%45.8%3.7%0.4%942.7K-27.0M-362.6K0.7072.75N/AN/A86861026,5968,645
2025-09-08$73.31$70.0045.5%12.4%40.6%25.5%44.4%2.6%1.8%908.4K-24.2M-354.7K2.4969.58N/AN/A16741627,1188,326
2025-09-09$72.87$70.0041.7%12.4%40.4%23.2%43.3%2.6%2.2%602.1K-18.4M-334.1K8.4370.98N/AN/A4235427,1468,652
2025-09-10$73.02$75.0042.8%12.3%39.8%23.8%42.6%2.2%2.5%501.1K-17.1M-336.6K0.0075.08N/AN/A5,2322427,1768,864
2025-09-11$72.45$70.0041.8%12.0%39.3%23.3%41.8%3.4%3.3%794.1K-34.2M-497.0K0.4572.31N/AN/A2159632,3168,851
2025-09-12$72.75$70.0040.9%11.7%39.4%22.7%41.1%3.9%2.3%936.0K-43.0M-541.1K0.2968.14N/AN/A1765132,3778,850
2025-09-15$77.32$70.0044.4%12.7%40.6%24.8%40.8%3.0%3.5%2.0M-57.9M-520.0K0.4483.59N/AN/A1,09348432,4808,882
2025-09-16$77.40$70.0044.5%12.8%40.6%24.9%43.4%3.3%0.3%2.1M-57.6M-527.2K0.1170.92N/AN/A2903332,7268,991
2025-09-17$77.33$70.0043.1%12.4%40.4%24.1%43.4%1.8%1.3%2.1M-58.9M-538.4K1.7373.24N/AN/A25644432,7078,954
2025-09-18$77.50$70.0041.9%12.0%40.2%23.3%42.2%1.9%5.3%1.9M-57.6M-523.6K0.6178.77N/AN/A1157032,6928,956
2025-09-19$76.73$75.0041.7%11.9%40.4%23.2%41.1%1.6%4.4%1.7M-55.5M-505.7K0.1178.74N/AN/A6207032,7119,007
2025-09-22$75.27$75.0043.2%12.4%38.0%24.1%42.3%2.3%5.1%1.5M-46.1M-489.0K0.6078.11N/AN/A35921729,9046,084
2025-09-23$77.41$75.0044.4%12.7%39.1%24.8%43.7%0.4%-1.6%1.8M-57.2M-520.9K1.3476.31N/AN/A69092830,1506,291
2025-09-24$83.01$75.0045.2%12.9%45.7%25.3%46.1%1.2%2.7%2.3M-85.0M-613.0K0.1674.22N/AN/A3,23051730,7136,507
2025-09-25$82.41$75.0047.8%13.7%45.8%26.9%46.9%2.7%-1.2%2.8M-93.8M-628.5K0.0472.76N/AN/A2,62410733,4316,856
2025-09-26$82.75$75.0042.7%12.2%45.4%23.8%44.7%22.6%2.0%3.1M-100.5M-648.1K0.3576.81N/AN/A1334735,3756,793
2025-09-29$84.99$75.0045.7%13.1%45.6%25.6%45.3%2.6%6.1%3.3M-113.9M-663.7K0.0674.45N/AN/A2,47415435,4036,811
2025-09-30$82.83$80.0046.7%13.4%44.4%26.2%47.4%-0.7%2.6%3.4M-101.9M-646.6K0.4171.24N/AN/A2379837,6216,915