CIGI Options History — October 2025

In October 2025, CIGI traded between $150.13 and $168.85. ATM implied volatility averaged 30.9%, placing in the 36.3% IV rank vs the trailing year. The 30-day expected move averaged 9.1%. IV traded above realized volatility by 13.3% (HV 20d: 17.6%). Max pain ranged from $125.00 to $155.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 3 of 23 days. Put/call ratio averaged 0.16.

Notable Days

  • 2025-10-29: Highest Volume — 28 contracts
  • 2025-10-13: Largest IV spike — 51.7% change
  • 2025-10-14: Highest IV Rank — 63.1%
  • 2025-10-31: Largest Expected Move — 11.2%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$157.73$150.13$168.85$154.75$160.38
Max Pain$141.09$125.00$155.00$155.00$150.00
ATM IV30.9%19.1%43.9%20.0%38.9%
Expected Move9.1%5.6%11.2%5.7%11.2%
HV 20d17.6%13.2%21.9%17.8%21.9%
HV 60d23.2%19.9%25.0%25.0%20.3%
IV Rank36.3%11.9%63.1%13.8%52.9%
IV Percentile58.5%11.1%89.7%14.7%83.7%
Term Structure-3.4%-9.5%13.0%13.0%-8.5%
VWIV33.4%23.4%44.7%30.8%42.2%
Skew 25d3.3%-3.5%11.9%-3.0%11.9%
Skew 10d2.9%-12.8%22.9%-12.8%2.5%
Call IV 25d28.3%22.9%35.5%32.2%28.5%
Put IV 25d31.7%24.8%40.3%29.2%40.3%
Bid-Ask Spread %102.4074.21114.12111.61103.55
Gamma HHI0.890.750.960.750.88
Net GEX258.7K168.9K312.4K300.2K281.7K
Net DEX-5.9M-8.1M-4.3M-5.3M-6.6M
Net VEX-9.7K-12.4K-6.4K-12.4K-8.2K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.160.001.000.000.00
Total Volume3.26102810
Total OI676.696565774751584

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-10-01$154.75$155.0020.0%5.7%17.8%13.8%0.0%-3.0%13.0%300.2K-5.3M-12.4K0.00111.61N/AN/A1074011
2025-10-02$153.88$155.0019.4%5.6%14.2%12.6%30.8%-1.9%12.1%312.4K-5.2M-12.2K0.00113.36N/AN/A1074111
2025-10-03$154.93$155.0020.7%5.9%14.1%15.3%0.0%0.4%8.1%240.1K-5.1M-11.8K0.00114.12N/AN/A0074111
2025-10-06$152.84$125.0022.7%8.8%14.5%19.4%0.0%3.8%-4.4%275.2K-4.9M-11.5K0.00101.73N/AN/A0074111
2025-10-07$151.34$125.0025.7%8.9%14.6%25.5%0.0%2.7%-4.1%278.1K-4.5M-11.5K0.00102.16N/AN/A0074111
2025-10-08$151.59$125.0025.9%9.0%14.7%25.9%0.0%-2.3%-4.8%276.3K-4.5M-11.4K0.00103.51N/AN/A0074111
2025-10-09$151.64$125.0019.1%8.7%13.2%11.9%0.0%2.2%-2.6%292.5K-4.7M-11.0K0.00102.75N/AN/A1074111
2025-10-10$150.13$125.0024.7%9.0%13.3%23.5%23.4%-0.8%-4.1%281.0K-4.3M-11.0K0.00101.32N/AN/A0174211
2025-10-13$152.81$140.0037.4%9.2%15.6%49.7%0.0%10.7%-5.6%282.8K-4.8M-10.7K0.00102.02N/AN/A0074212
2025-10-14$152.21$140.0043.9%9.4%15.6%63.1%0.0%0.8%-5.4%302.8K-4.7M-10.5K0.00103.34N/AN/A0074212
2025-10-15$155.16$140.0031.6%9.1%17.7%37.8%0.0%3.6%-3.4%282.1K-5.3M-10.0K0.0074.21N/AN/A10074212
2025-10-16$155.16$140.0037.6%10.8%17.5%50.1%0.0%2.9%-8.5%234.1K-5.3M-10.6K0.00100.75N/AN/A10075212
2025-10-17$157.59$140.0030.3%8.7%18.6%35.1%0.0%3.4%-3.2%303.3K-5.9M-10.4K0.00102.95N/AN/A1076212
2025-10-20$158.81$140.0033.0%9.5%18.9%40.6%0.0%8.7%-4.4%272.5K-6.2M-9.7K0.00102.02N/AN/A205578
2025-10-21$161.02$140.0034.3%9.8%19.5%43.3%36.8%7.0%-5.8%242.4K-6.6M-9.2K0.00102.30N/AN/A025588
2025-10-22$163.18$145.0033.2%9.5%17.5%41.1%44.7%7.3%-4.5%218.7K-7.0M-8.6K0.00102.13N/AN/A0155810
2025-10-23$168.85$145.0034.1%9.8%20.1%42.8%28.7%9.6%-7.0%168.9K-8.1M-6.4K0.20100.92N/AN/A5155811
2025-10-24$167.15$145.0033.6%9.6%20.7%41.8%34.2%7.0%-5.3%184.8K-8.0M-6.5K0.5099.96N/AN/A2156312
2025-10-27$166.75$145.0034.5%9.9%20.7%43.6%28.2%0.6%-5.6%201.6K-7.8M-6.9K1.00102.23N/AN/A1156413
2025-10-28$164.99$145.0036.6%10.5%20.6%48.0%32.0%-0.6%-9.3%205.3K-7.5M-7.6K0.33102.26N/AN/A3156514
2025-10-29$162.75$150.0037.2%10.7%20.8%49.3%42.2%6.3%-9.5%238.4K-7.3M-7.6K0.00102.62N/AN/A28056815
2025-10-30$159.84$150.0036.4%10.4%21.9%47.6%0.0%-3.5%-5.9%274.1K-6.6M-8.3K0.00103.38N/AN/A2056715
2025-10-31$160.38$150.0038.9%11.2%21.9%52.9%0.0%11.9%-8.5%281.7K-6.6M-8.2K0.00103.55N/AN/A0056915