CNR Options History — August 2025

In August 2025, CNR traded between $69.44 and $78.48. ATM implied volatility averaged 46.6%, placing in the 26.1% IV rank vs the trailing year. The 30-day expected move averaged 12.9%. IV traded below realized volatility by 4.7% (HV 20d: 51.3%). Max pain ranged from $75.00 to $75.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 19 of 21 days. Put/call ratio averaged 2.32.

Notable Days

  • 2025-08-04: Highest Volume — 961 contracts
  • 2025-08-05: Largest IV drop — 25.8% change
  • 2025-08-04: Highest IV Rank — 38.5%
  • 2025-08-01: Largest Expected Move — 17.2%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$73.62$69.44$78.48$72.29$74.17
Max Pain$75.00$75.00$75.00$75.00$75.00
ATM IV46.6%40.6%67.2%60.0%40.6%
Expected Move12.9%11.6%17.2%17.2%11.6%
HV 20d51.3%41.3%59.7%54.1%41.3%
HV 60d53.3%50.9%60.7%59.4%50.9%
IV Rank26.1%22.5%38.5%34.2%22.5%
IV Percentile40.3%18.3%85.7%78.6%18.3%
Term Structure0.8%-10.8%2.7%-10.8%1.3%
VWIV45.3%40.2%59.5%59.5%40.2%
Skew 25d3.9%-0.4%19.4%-0.4%1.7%
Skew 10d9.6%-7.1%40.5%3.0%6.3%
Call IV 25d42.8%26.0%58.9%58.9%39.8%
Put IV 25d46.7%41.5%58.5%58.5%41.5%
Bid-Ask Spread %81.8975.2187.9881.2685.46
Gamma HHI0.130.110.150.120.14
Net GEX706.7K171.2K1.5M761.3K606.6K
Net DEX-10.8M-30.3M7.2M-9.5M-10.7M
Net VEX-277.6K-354.5K-194.0K-297.7K-269.1K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio2.320.095.021.420.09
Total Volume409.1999961121150
Total OI30,426.1928,22732,13030,74730,044

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-08-01$72.29$75.0060.0%17.2%54.1%34.2%59.5%-0.4%-10.8%761.3K-9.5M-297.7K1.4281.26N/AN/A507123,0977,650
2025-08-04$76.84$75.0067.2%15.1%57.4%38.5%52.3%2.9%-1.0%1.2M-22.4M-333.9K0.9584.04N/AN/A49246923,0917,658
2025-08-05$78.48$75.0049.8%13.1%57.2%28.1%44.5%1.3%2.7%1.5M-30.3M-326.5K0.2480.16N/AN/A4129823,5077,752
2025-08-06$75.16$75.0046.8%12.8%59.7%26.2%46.9%2.5%2.5%1.2M-17.3M-305.9K1.0575.42N/AN/A15716523,5007,784
2025-08-07$75.95$75.0047.7%13.3%56.6%26.8%44.5%2.6%2.2%1.2M-19.4M-305.8K0.5575.21N/AN/A864723,6217,844
2025-08-08$76.28$75.0048.9%13.6%55.5%27.5%47.1%3.6%1.3%1.2M-23.3M-325.7K4.7182.64N/AN/A7736323,6467,877
2025-08-11$75.12$75.0049.0%13.2%55.7%27.6%46.3%3.9%1.5%1.0M-15.2M-288.6K3.9079.41N/AN/A5119923,6608,148
2025-08-12$76.39$75.0050.3%13.1%55.8%28.4%45.5%2.6%0.3%1.1M-29.1M-354.5K3.8378.94N/AN/A6625323,6608,263
2025-08-13$74.86$75.0045.5%13.0%55.9%25.5%46.6%2.9%1.0%666.0K-14.1M-296.3K1.0782.37N/AN/A879323,6558,439
2025-08-14$74.63$75.0045.1%12.9%54.6%25.2%45.8%2.2%1.6%518.1K-12.3M-288.5K0.4381.71N/AN/A1576823,6248,506
2025-08-15$70.91$75.0045.7%13.1%56.2%25.6%45.4%1.5%0.9%413.5K699.1K-252.8K1.8377.61N/AN/A12122123,6428,463
2025-08-18$70.75$75.0044.5%12.8%56.3%24.9%44.1%1.3%0.8%434.9K-1.1M-232.0K1.3180.50N/AN/A26835020,7637,464
2025-08-19$70.22$75.0042.6%12.2%46.1%23.8%42.8%1.8%2.1%382.4K-1.8M-251.1K4.0185.23N/AN/A9236920,8117,656
2025-08-20$69.91$75.0042.8%12.3%45.7%23.9%42.7%3.0%1.4%171.2K7.2M-194.0K0.3980.43N/AN/A712820,8607,971
2025-08-21$69.44$75.0042.0%12.1%45.7%23.4%40.4%16.4%1.7%250.5K2.7M-224.4K3.8387.31N/AN/A3613820,8797,965
2025-08-22$72.81$75.0041.1%11.8%47.9%22.9%41.9%4.8%1.3%491.2K-6.1M-262.2K4.4683.85N/AN/A13058020,8868,022
2025-08-25$72.75$75.0041.4%11.9%46.2%23.0%42.3%3.1%1.4%402.7K-5.7M-256.5K1.5381.43N/AN/A30847220,9598,559
2025-08-26$73.47$75.0042.5%12.2%45.6%23.7%44.3%19.4%2.5%469.1K-5.6M-251.6K3.1887.98N/AN/A16351821,2448,412
2025-08-27$73.09$75.0042.9%12.3%41.8%23.9%44.5%3.1%0.3%451.7K-5.1M-241.4K5.0283.37N/AN/A12160821,2738,394
2025-08-28$72.41$75.0042.1%12.1%41.4%23.4%43.3%2.1%1.5%433.3K-9.1M-271.2K4.9785.25N/AN/A6532321,2908,411
2025-08-29$74.17$75.0040.6%11.6%41.3%22.5%40.2%1.7%1.3%606.6K-10.7M-269.1K0.0985.46N/AN/A1371321,3318,713