CSGS Options History — March 2026

In March 2026, CSGS traded between $79.56 and $80.41. ATM implied volatility averaged 39.0%, placing in the 19.0% IV rank vs the trailing year. The 30-day expected move averaged 4.0%. IV traded above realized volatility by 35.3% (HV 20d: 3.7%). Max pain ranged from $75.00 to $80.00. Net GEX was positive for 21 of 22 trading days. Term structure was in contango for 14 of 22 days. Put/call ratio averaged 44.46.

Notable Days

  • 2026-03-05: Highest Volume — 19,816 contracts
  • 2026-03-23: Largest IV spike — 3772.6% change
  • 2026-03-23: Highest IV Rank — 100.0%
  • 2026-03-27: Largest Expected Move — 9.7%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$79.94$79.56$80.41$79.81$79.92
Max Pain$79.55$75.00$80.00$75.00$80.00
ATM IV39.0%10.6%437.6%16.9%13.2%
Expected Move4.0%0.5%9.7%4.9%3.8%
HV 20d3.7%3.0%4.5%4.2%4.5%
HV 60d7.0%6.7%7.8%7.8%7.1%
IV Rank19.0%7.4%100.0%10.5%10.8%
IV Percentile25.2%4.4%100.0%13.9%7.9%
Term Structure-2.3%-28.0%3.1%2.5%-7.7%
VWIV34.8%14.2%96.2%33.7%28.2%
Skew 25d7.8%-24.9%31.9%17.0%31.9%
Skew 10d19.1%-4.8%40.6%8.8%35.6%
Call IV 25d21.7%5.0%35.3%5.0%14.4%
Put IV 25d29.5%6.5%46.3%22.0%46.3%
Bid-Ask Spread %61.0533.28118.4469.3344.26
Gamma HHI0.490.200.860.820.60
Net GEX195.7K-40.9K466.9K435.2K185.1K
Net DEX-2.7M-4.4M-195.1K-4.3M-2.1M
Net VEX-13.0K-21.8K-6.7K-6.7K-13.1K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio44.460.00196.00159.331.00
Total Volume1,343.545019,8161,5124
Total OI4,565.9553,0945,6063,0944,133

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2026-03-02$79.81$75.0016.9%4.9%4.2%10.5%0.0%17.0%2.5%435.2K-4.3M-6.7K0.0069.33N/AN/A01,5121,1541,940
2026-03-03$79.83$75.0017.4%5.0%4.1%11.0%33.7%20.9%2.5%466.9K-4.4M-7.4K0.0082.65N/AN/A02,6781,1542,626
2026-03-04$79.83$80.0018.3%5.3%4.1%11.9%35.4%19.4%2.9%297.6K-3.7M-9.5K159.3367.82N/AN/A34781,1542,900
2026-03-05$79.89$80.0019.4%3.9%3.8%12.9%96.2%-9.2%-1.2%207.2K-3.2M-16.2K0.00115.27N/AN/A019,8161,1553,132
2026-03-06$79.93$80.0020.1%4.1%3.0%13.6%14.2%1.6%-1.3%108.7K-2.6M-21.8K196.00118.44N/AN/A23921,1554,257
2026-03-09$80.17$80.0025.4%4.0%3.1%18.9%35.1%-15.4%0.5%130.5K-2.9M-20.6K9.36110.60N/AN/A393651,1564,022
2026-03-10$79.89$80.0045.5%3.9%3.1%38.7%25.1%-24.9%0.9%118.8K-2.8M-20.2K167.00102.68N/AN/A11671,1424,464
2026-03-11$79.81$80.0013.7%3.9%3.1%7.4%25.0%-24.4%0.8%157.6K-3.0M-18.2K0.00102.71N/AN/A011,1434,175
2026-03-12$79.75$80.0013.8%0.0%3.1%7.4%0.0%-24.0%2.1%273.9K-3.5M-9.7K0.0042.08N/AN/A001,1434,119
2026-03-13$79.91$80.0014.3%6.9%3.2%7.9%20.5%-11.7%0.1%117.8K-2.8M-18.7K0.0050.29N/AN/A0581,1434,119
2026-03-16$79.98$80.0014.5%0.7%3.1%8.1%0.0%2.1%2.9%305.6K-3.5M-9.1K0.0042.00N/AN/A001,1434,151
2026-03-17$79.97$80.0014.7%1.2%3.0%11.7%0.0%30.3%1.8%374.8K-3.4M-8.4K7.5041.97N/AN/A4301,1434,151
2026-03-18$79.56$80.0028.7%1.4%3.5%25.0%28.2%2.4%3.1%188.4K-3.1M-8.9K0.0041.94N/AN/A01331,1214,151
2026-03-19$79.67$80.0010.6%1.1%3.5%7.8%0.0%7.5%0.0%250.5K-3.4M-8.3K28.3333.45N/AN/A61701,1214,107
2026-03-20$80.00$80.0011.3%0.8%3.6%8.5%0.0%6.7%0.5%141.6K-2.7M-16.8K0.0034.35N/AN/A801,1234,092
2026-03-23$80.41$80.00437.6%0.5%3.9%100.0%0.0%15.6%0.1%120.7K-3.1M-13.4K0.0034.96N/AN/A39408992,987
2026-03-24$80.07$80.0012.2%1.0%4.2%9.8%0.0%7.0%-1.0%-40.9K-195.1K-11.6K19.5633.28N/AN/A1372,6805122,987
2026-03-25$80.07$80.0031.9%8.4%4.1%28.4%0.0%28.3%-26.8%115.7K-873.7K-11.2K32.0044.25N/AN/A51606493,187
2026-03-26$80.10$80.0031.8%9.1%4.0%28.3%0.0%28.8%-3.1%120.3K-798.5K-11.9K2.0043.04N/AN/A246543,191
2026-03-27$80.28$80.0033.9%9.7%4.0%30.3%0.0%29.9%-28.0%106.1K-1.1M-13.2K0.0043.55N/AN/A206553,193
2026-03-30$79.84$80.0012.2%3.5%4.5%9.8%0.0%31.3%-2.6%123.6K-996.0K-11.5K0.3644.27N/AN/A226816553,193
2026-03-31$79.92$80.0013.2%3.8%4.5%10.8%0.0%31.9%-7.7%185.1K-2.1M-13.1K1.0044.26N/AN/A228813,252