CSGS Options History — August 2025

In August 2025, CSGS traded between $60.63 and $64.75. ATM implied volatility averaged 46.0%, placing in the 24.6% IV rank vs the trailing year. The 30-day expected move averaged 9.1%. IV traded above realized volatility by 20.2% (HV 20d: 25.9%). Max pain ranged from $50.00 to $60.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 1 of 21 days. Put/call ratio averaged 0.15.

Notable Days

  • 2025-08-06: Highest Volume — 12 contracts
  • 2025-08-11: Largest IV spike — 73.8% change
  • 2025-08-12: Highest IV Rank — 81.3%
  • 2025-08-01: Largest Expected Move — 14.7%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$62.76$60.63$64.75$60.63$64.05
Max Pain$50.48$50.00$60.00$60.00$50.00
ATM IV46.0%16.4%107.7%51.4%38.8%
Expected Move9.1%4.7%14.7%14.7%11.1%
HV 20d25.9%23.8%27.3%23.8%24.2%
HV 60d24.7%23.1%27.4%27.4%23.4%
IV Rank24.6%0.0%81.3%26.7%20.3%
IV Percentile40.8%0.0%99.2%70.2%29.4%
Term Structure-10.1%-15.6%7.2%-15.1%-15.4%
VWIV30.1%30.1%30.1%30.1%30.1%
Skew 25d-1.4%-31.4%26.3%6.3%9.1%
Skew 10d-0.2%-35.7%41.6%41.6%-33.1%
Call IV 25d37.5%10.8%66.7%66.7%45.9%
Put IV 25d36.1%13.0%73.0%73.0%55.0%
Bid-Ask Spread %120.90100.96124.64121.54123.57
Gamma HHI0.470.340.600.450.58
Net GEX6.4K3.5K9.5K3.5K9.5K
Net DEX-145.3K-181.4K-102.8K-102.8K-179.5K
Net VEX-450-639-299-331-618
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.150.001.000.000.00
Total Volume2.57101200
Total OI66.14350775077

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-08-01$60.63$60.0051.4%14.7%23.8%26.7%0.0%6.3%-15.1%3.5K-102.8K-3310.00121.54N/AN/A00437
2025-08-04$61.41$50.0060.0%8.6%24.4%35.0%0.0%1.4%-5.2%3.8K-105.7K-2990.00121.11N/AN/A00437
2025-08-05$61.81$50.0062.7%9.0%24.3%37.7%0.0%1.3%-9.4%3.8K-111.2K-3110.00120.89N/AN/A50437
2025-08-06$62.99$50.0073.2%8.7%25.4%47.9%0.0%1.4%-9.8%4.8K-134.4K-3981.00121.46N/AN/A66487
2025-08-07$63.28$50.0063.4%7.9%25.4%38.3%0.0%9.9%-11.1%5.5K-144.6K-4160.00121.99N/AN/A005513
2025-08-08$64.75$50.0051.0%7.9%24.2%26.3%0.0%13.5%-9.6%8.0K-176.4K-4140.00122.41N/AN/A605513
2025-08-11$63.45$50.0088.7%8.2%25.4%62.9%0.0%11.2%-14.3%6.1K-148.2K-3840.00123.92N/AN/A305513
2025-08-12$62.20$50.00107.7%9.3%25.4%81.3%0.0%9.6%-9.9%4.7K-129.0K-3890.00120.26N/AN/A005513
2025-08-13$64.04$50.0029.6%8.5%26.0%5.6%0.0%0.6%-13.8%6.1K-159.1K-3830.00124.08N/AN/A005513
2025-08-14$62.73$50.0031.1%8.9%27.1%7.0%0.0%-16.9%-9.6%5.1K-130.9K-3190.00119.00N/AN/A005513
2025-08-15$62.06$50.0020.8%6.0%27.2%0.0%0.0%-26.7%-5.5%4.6K-124.7K-3020.00120.20N/AN/A505513
2025-08-18$62.48$50.0016.4%4.7%27.3%0.0%0.0%6.8%7.2%5.2K-129.2K-3210.14100.96N/AN/A71513
2025-08-19$62.30$50.0021.9%6.3%27.2%5.0%0.0%-25.4%-6.2%6.6K-145.3K-4640.00120.22N/AN/A20584
2025-08-20$61.86$50.0031.6%9.0%25.9%13.7%30.1%-22.1%-9.9%6.4K-138.5K-4700.33122.89N/AN/A31604
2025-08-21$61.39$50.0035.5%10.2%25.9%17.3%0.0%-17.6%-9.4%6.4K-129.9K-5030.00121.67N/AN/A80635
2025-08-22$63.12$50.0033.9%9.7%27.3%15.9%0.0%-4.0%-12.3%8.4K-168.2K-6390.00121.29N/AN/A00715
2025-08-25$63.24$50.0036.2%10.4%26.8%17.9%0.0%26.3%-8.4%9.4K-181.4K-6300.00123.38N/AN/A10715
2025-08-26$63.07$50.0036.6%10.5%26.6%18.3%0.0%-2.6%-14.6%8.8K-166.7K-6290.00124.64N/AN/A00725
2025-08-27$63.81$50.0037.5%10.8%26.8%19.1%0.0%19.4%-14.3%9.5K-176.3K-6230.00122.90N/AN/A00725
2025-08-28$63.36$50.0038.3%11.0%26.8%19.8%0.0%-31.4%-15.6%9.1K-168.5K-6050.00120.47N/AN/A00725
2025-08-29$64.05$50.0038.8%11.1%24.2%20.3%0.0%9.1%-15.4%9.5K-179.5K-6180.00123.57N/AN/A00725