ASGN Options History — September 2025

In September 2025, ASGN traded between $47.30 and $53.84. ATM implied volatility averaged 45.2%, placing in the 32.9% IV rank vs the trailing year. The 30-day expected move averaged 12.7%. IV traded above realized volatility by 11.0% (HV 20d: 34.2%). Max pain ranged from $45.00 to $55.00. Net GEX was positive for 10 of 21 trading days. Term structure was in contango for 14 of 21 days. Put/call ratio averaged 3.43.

Notable Days

  • 2025-09-15: Highest Volume — 9,170 contracts
  • 2025-09-08: Largest IV spike — 33.8% change
  • 2025-09-23: Highest IV Rank — 56.5%
  • 2025-09-23: Largest Expected Move — 17.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$50.65$47.30$53.84$53.84$47.30
Max Pain$49.29$45.00$55.00$55.00$50.00
ATM IV45.2%35.0%60.4%53.0%45.5%
Expected Move12.7%10.0%17.3%15.2%13.1%
HV 20d34.2%31.8%36.8%35.2%32.9%
HV 60d45.1%44.2%46.2%44.8%44.2%
IV Rank32.9%17.1%56.5%45.1%33.5%
IV Percentile66.4%29.0%95.6%87.7%67.1%
Term Structure0.4%-21.4%23.1%-13.6%9.1%
VWIV47.3%40.7%60.4%43.9%47.2%
Skew 25d7.3%-5.9%18.6%-3.4%13.8%
Skew 10d11.9%-13.2%29.5%26.2%-13.2%
Call IV 25d39.1%24.7%56.0%56.0%32.1%
Put IV 25d46.4%30.3%53.0%52.6%45.9%
Bid-Ask Spread %99.8279.43110.73100.34108.77
Gamma HHI0.440.300.580.580.36
Net GEX-98.5K-334.8K97.9K79.6K-334.8K
Net DEX3.9M-1.4M9.4M-1.4M9.2M
Net VEX-36.9K-70.4K-3.8K-6.6K-61.1K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio3.430.0037.310.003.75
Total Volume480.8109,170138
Total OI5,857.5711,19610,7191,1969,950

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-09-02$53.84$55.0053.0%15.2%35.2%45.1%0.0%-3.4%-13.6%79.6K-1.4M-6.6K0.00100.34N/AN/A10812384
2025-09-03$53.58$55.0050.9%14.6%35.2%41.7%0.0%-2.7%-11.2%83.6K-1.1M-6.4K0.0098.77N/AN/A40822384
2025-09-04$52.52$45.0042.9%11.3%35.8%29.4%0.0%16.4%4.1%91.4K-828.8K-5.9K0.0099.17N/AN/A02821384
2025-09-05$52.80$45.0040.4%11.0%35.6%25.5%0.0%7.8%2.9%95.0K-849.2K-5.9K0.00103.11N/AN/A00821384
2025-09-08$52.88$45.0054.0%10.6%35.1%46.6%0.0%10.5%3.8%86.3K-825.0K-5.6K0.00107.95N/AN/A01821384
2025-09-09$52.34$45.0053.1%15.8%34.8%45.3%0.0%17.0%-4.2%97.9K-787.7K-5.4K0.00102.37N/AN/A04821385
2025-09-10$50.91$45.0043.2%12.4%34.9%29.8%43.9%15.9%1.1%64.6K-387.8K-4.9K0.1479.43N/AN/A375821385
2025-09-11$52.70$50.0035.8%10.3%34.5%18.4%0.0%18.6%0.2%90.2K-516.7K-4.8K0.0091.54N/AN/A20825389
2025-09-12$51.73$50.0047.1%13.5%33.8%35.8%48.6%16.2%-0.2%92.5K-475.5K-4.6K0.1188.76N/AN/A192826389
2025-09-15$51.34$50.0038.6%11.1%32.9%22.6%52.9%-0.1%9.2%49.7K-11.2K-3.8K1.96101.24N/AN/A3,0976,073828391
2025-09-16$50.89$50.0044.3%12.7%32.6%31.6%44.1%5.8%0.6%-156.1K6.0M-68.7K3.3391.66N/AN/A3103,9096,404
2025-09-17$49.41$50.0040.1%11.5%34.0%25.0%0.0%2.9%3.0%-250.2K7.8M-66.5K0.86110.73N/AN/A763,9106,396
2025-09-18$50.94$50.0040.4%11.6%35.1%25.5%40.7%-0.4%3.7%-219.9K6.7M-69.2K37.3195.56N/AN/A134853,9176,390
2025-09-19$49.33$50.0043.9%12.6%36.8%30.8%45.1%5.6%2.6%-252.9K8.9M-68.3K4.50101.69N/AN/A293,9286,791
2025-09-22$50.47$50.0045.5%13.0%31.8%33.4%45.5%-5.9%-1.6%-240.4K7.2M-70.4K0.0498.80N/AN/A11153,2336,550
2025-09-23$48.76$50.0060.4%17.3%32.9%56.5%60.4%13.8%-11.7%-241.7K8.0M-66.5K0.01104.31N/AN/A7513,2946,554
2025-09-24$49.09$50.0040.3%11.6%32.9%25.4%0.0%2.5%4.9%-242.3K8.6M-68.0K0.25107.88N/AN/A2463,3476,555
2025-09-25$47.39$50.0047.8%13.7%33.8%37.0%48.0%10.4%-21.4%-313.6K9.1M-63.1K1.1096.98N/AN/A21233,3616,559
2025-09-26$47.84$50.0046.9%13.5%34.2%35.7%44.1%-1.9%4.0%-317.7K8.7M-60.2K3.0098.78N/AN/A263,3776,561
2025-09-29$47.56$50.0035.0%10.0%33.0%17.1%0.0%11.5%23.1%-329.8K9.4M-60.0K2.00108.41N/AN/A123,3786,568
2025-09-30$47.30$50.0045.5%13.1%32.9%33.5%47.2%13.8%9.1%-334.8K9.2M-61.1K3.75108.77N/AN/A8303,3796,571