CIGI Options History — December 2025

In December 2025, CIGI traded between $141.53 and $150.88. ATM implied volatility averaged 20.8%, placing in the 15.5% IV rank vs the trailing year. The 30-day expected move averaged 5.7%. IV traded below realized volatility by 2.5% (HV 20d: 23.3%). Max pain ranged from $145.00 to $150.00. Net GEX was positive for 7 of 22 trading days. Term structure was in contango for 19 of 22 days. Put/call ratio averaged 0.26.

Notable Days

  • 2025-12-09: Highest Volume — 110 contracts
  • 2025-12-10: Largest IV drop — 23.7% change
  • 2025-12-09: Highest IV Rank — 29.2%
  • 2025-12-16: Largest Expected Move — 6.7%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$146.21$141.53$150.88$143.31$147.34
Max Pain$148.85$145.00$150.00$145.00$150.00
ATM IV20.8%16.7%27.4%19.3%21.7%
Expected Move5.7%4.8%6.7%5.5%6.2%
HV 20d23.3%18.4%27.8%26.6%19.7%
HV 60d22.5%21.6%23.4%21.7%23.0%
IV Rank15.5%6.9%29.2%12.3%17.3%
IV Percentile21.3%3.6%56.7%13.1%26.2%
Term Structure4.5%-3.6%11.8%-3.2%7.8%
VWIV20.5%16.2%23.8%23.8%16.2%
Skew 25d0.5%-4.4%3.9%0.1%0.4%
Skew 10d1.3%-0.9%4.7%1.5%1.6%
Call IV 25d24.1%19.0%29.8%26.6%28.3%
Put IV 25d24.6%20.7%29.2%26.6%28.8%
Bid-Ask Spread %111.71106.60115.87112.46114.62
Gamma HHI0.400.260.560.280.42
Net GEX-13.7K-38.0K16.3K14.8K-26.8K
Net DEX106.4K-193.8K433.6K-157.1K184.6K
Net VEX-3.3K-4.6K-1.3K-1.5K-4.0K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.260.002.000.000.00
Total Volume9.455011001
Total OI188.4098427184271

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-12-01$143.31$145.0019.3%5.5%26.6%12.3%0.0%0.1%-3.2%14.8K-157.1K-1.5K0.00112.46N/AN/A00768
2025-12-02$143.72$145.0021.4%6.1%26.7%16.7%0.0%0.1%-3.6%14.8K-154.9K-1.4K0.00114.26N/AN/A00768
2025-12-03$144.34$145.0021.1%6.0%25.6%16.1%0.0%0.4%-1.8%15.3K-162.1K-1.4K0.00113.07N/AN/A00768
2025-12-04$145.32$0.0020.9%5.5%25.8%15.6%0.0%1.5%3.9%15.7K-180.5K-1.5K0.00110.59N/AN/A00768
2025-12-05$145.35$0.0023.6%5.4%25.7%21.3%0.0%3.9%4.4%16.3K-193.8K-1.5K0.00111.91N/AN/A20768
2025-12-08$143.01$0.0027.3%5.6%26.2%28.8%0.0%0.4%5.0%14.4K-150.0K-1.4K0.00109.98N/AN/A00768
2025-12-09$141.53$0.0027.4%5.5%26.2%29.2%0.0%0.5%5.9%14.0K-133.8K-1.3K0.00111.87N/AN/A0110768
2025-12-10$144.16$0.0020.9%6.0%27.2%15.8%0.0%2.5%3.1%-36.5K433.6K-4.0K0.00109.87N/AN/A0076118
2025-12-11$146.13$0.0017.0%4.9%27.8%7.7%0.0%0.2%10.2%-31.1K271.8K-4.1K0.00113.14N/AN/A0076118
2025-12-12$145.17$0.0020.9%6.0%26.5%15.7%0.0%0.0%3.6%-38.0K378.0K-4.0K0.00109.54N/AN/A0076118
2025-12-15$143.98$0.0019.7%5.7%26.4%13.3%0.0%2.4%0.9%-36.4K404.0K-3.9K0.00110.66N/AN/A0176118
2025-12-16$147.56$0.0023.5%6.7%20.9%21.0%23.8%1.6%0.8%-29.7K257.7K-3.8K0.00106.60N/AN/A3076117
2025-12-17$144.51$150.0019.7%5.6%21.8%13.2%19.2%-4.4%4.9%-35.5K412.2K-3.9K0.04109.59N/AN/A70379117
2025-12-18$146.69$150.0019.4%5.6%22.2%12.5%0.0%0.4%8.3%-25.1K218.3K-4.4K0.00111.11N/AN/A00147120
2025-12-19$146.70$150.0019.6%5.6%22.0%13.0%22.7%2.9%5.0%-25.2K221.2K-4.3K2.00108.89N/AN/A24147120
2025-12-22$147.96$150.0023.3%6.7%20.4%20.6%0.0%-4.0%2.3%-26.3K214.4K-4.4K0.00111.12N/AN/A30143118
2025-12-23$149.31$150.0019.1%5.5%20.1%12.0%16.2%-0.3%6.1%-24.9K111.4K-4.3K0.00111.02N/AN/A01146118
2025-12-24$150.88$150.0016.7%4.8%18.9%6.9%0.0%2.1%11.8%-17.9K80.9K-4.6K0.00112.18N/AN/A00146119
2025-12-26$150.24$150.0017.1%4.9%18.7%7.8%0.0%0.1%8.8%-17.7K47.0K-4.4K0.00114.61N/AN/A10146119
2025-12-29$149.51$150.0018.8%5.4%18.9%11.4%0.0%0.3%6.4%-15.1K168.5K-4.2K0.00114.75N/AN/A02146119
2025-12-30$150.00$150.0019.0%5.4%18.4%11.8%0.0%0.4%7.1%-20.4K70.1K-4.2K0.00115.87N/AN/A50146121
2025-12-31$147.34$150.0021.7%6.2%19.7%17.3%0.0%0.4%7.8%-26.8K184.6K-4.0K0.00114.62N/AN/A10150121