ASGN Options History — December 2025

In December 2025, ASGN traded between $45.23 and $49.89. ATM implied volatility averaged 35.5%, placing in the 18.8% IV rank vs the trailing year. The 30-day expected move averaged 10.0%. IV traded above realized volatility by 3.6% (HV 20d: 31.9%). Max pain ranged from $40.00 to $50.00. Net GEX was positive for 8 of 22 trading days. Term structure was in contango for 20 of 22 days. Put/call ratio averaged 1.49.

Notable Days

  • 2025-12-17: Highest Volume — 27 contracts
  • 2025-12-16: Largest IV spike — 50.6% change
  • 2025-12-08: Highest IV Rank — 39.0%
  • 2025-12-03: Largest Expected Move — 13.1%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$47.62$45.23$49.89$45.52$48.24
Max Pain$43.18$40.00$50.00$50.00$45.00
ATM IV35.5%22.3%49.5%40.1%27.0%
Expected Move10.0%6.4%13.1%11.5%7.7%
HV 20d31.9%19.4%40.9%40.9%22.3%
HV 60d39.5%37.9%41.3%41.3%38.3%
IV Rank18.8%0.0%39.0%24.1%7.0%
IV Percentile23.6%0.0%73.4%36.5%1.6%
Term Structure8.8%-8.5%18.9%3.5%15.2%
VWIV33.2%22.0%47.3%47.3%42.2%
Skew 25d3.9%-7.0%15.9%1.2%7.3%
Skew 10d7.5%-14.4%61.4%0.2%12.5%
Call IV 25d33.3%25.8%41.2%40.6%34.3%
Put IV 25d37.3%25.7%55.1%41.8%41.6%
Bid-Ask Spread %113.6394.06126.3999.09120.78
Gamma HHI0.530.171.000.490.22
Net GEX-340.9K-1.9M3.5K-409.2K3.5K
Net DEX5.3M-166.1K9.2M8.2M-150.1K
Net VEX-4.4K-10.2K-1.1K-9.7K-1.4K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.490.005.001.000.00
Total Volume9.59102722
Total OI5,500.6821587,9887,978197

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-12-01$45.52$50.0040.1%11.5%40.9%24.1%0.0%1.2%3.5%-409.2K8.2M-9.7K1.0099.09N/AN/A113,2864,692
2025-12-02$45.65$50.0043.3%12.4%40.7%29.3%0.0%2.5%-6.4%-417.2K7.8M-10.1K0.0094.06N/AN/A013,2874,693
2025-12-03$45.34$50.0045.9%13.1%40.8%33.2%0.0%15.9%-8.5%-420.7K7.8M-10.2K0.0095.84N/AN/A013,2874,696
2025-12-04$45.84$40.0040.4%11.7%40.8%24.6%0.0%0.3%7.8%-404.7K7.7M-8.3K5.00102.11N/AN/A2103,2874,696
2025-12-05$45.23$40.0041.2%11.9%38.4%25.9%0.0%-5.1%3.8%-382.3K8.2M-7.4K0.00121.70N/AN/A003,2884,697
2025-12-08$45.30$40.0049.5%11.4%38.4%39.0%0.0%9.4%9.8%-411.3K7.9M-7.8K0.00120.31N/AN/A0243,2884,697
2025-12-09$45.43$40.0044.2%11.5%38.4%30.6%0.0%10.1%8.8%-355.7K8.0M-5.6K3.00113.03N/AN/A4123,2884,686
2025-12-10$46.35$40.0040.9%11.7%37.6%25.4%0.0%9.3%8.5%-403.1K7.3M-6.0K0.15115.97N/AN/A1323,2894,696
2025-12-11$47.50$40.0036.8%10.6%38.5%19.0%0.0%7.2%12.9%-481.5K6.7M-6.2K3.20110.00N/AN/A5163,2924,696
2025-12-12$48.08$40.0030.8%8.8%37.8%9.7%0.0%4.7%8.0%-547.4K7.4M-4.8K0.00102.67N/AN/A003,2934,690
2025-12-15$47.89$40.0022.3%6.4%35.0%0.0%47.3%5.0%18.9%-653.3K7.1M-4.0K0.27119.55N/AN/A1133,2934,690
2025-12-16$47.89$40.0033.6%9.6%33.1%17.1%0.0%-7.0%2.4%-523.3K7.9M-2.9K0.00119.39N/AN/A013,2934,689
2025-12-17$48.62$40.0032.0%9.2%32.6%14.7%0.0%10.2%13.0%-255.3K9.1M-1.4K0.00110.89N/AN/A2703,2934,690
2025-12-18$49.38$40.0023.8%6.8%30.7%2.3%22.0%1.8%16.3%-1.9M8.0M-2.3K0.00119.62N/AN/A083,2904,690
2025-12-19$48.30$45.0031.2%9.0%32.0%13.5%0.0%11.9%1.2%3.1K9.2M-1.1K3.75118.70N/AN/A4153,2904,691
2025-12-22$49.24$45.0030.3%8.7%22.6%12.1%30.6%4.4%17.1%3.0K-158.0K-1.1K1.44115.46N/AN/A9138771
2025-12-23$48.91$45.0029.4%8.4%21.0%10.7%23.7%-1.0%7.6%2.4K-126.2K-1.4K0.00121.47N/AN/A039389
2025-12-24$49.78$45.0029.9%8.6%20.2%11.5%0.0%-3.2%16.8%2.6K-148.9K-1.3K0.00121.98N/AN/A009391
2025-12-26$49.89$45.0038.0%10.9%20.2%23.7%0.0%9.3%10.4%2.7K-147.5K-1.3K1.50111.41N/AN/A239391
2025-12-29$49.81$45.0035.9%10.3%19.4%20.5%0.0%-2.2%11.4%2.6K-148.5K-1.3K0.00126.39N/AN/A1409292
2025-12-30$49.49$45.0035.1%10.1%19.7%19.3%0.0%-5.3%14.7%3.1K-166.1K-1.4K0.00119.53N/AN/A4010192
2025-12-31$48.24$45.0027.0%7.7%22.3%7.0%42.2%7.3%15.2%3.5K-150.1K-1.4K0.00120.78N/AN/A2010592