AN Options History — May 2025

In May 2025, AN traded between $175.56 and $191.00. ATM implied volatility averaged 30.5%, placing in the 11.4% IV rank vs the trailing year. The 30-day expected move averaged 8.4%. IV traded below realized volatility by 3.7% (HV 20d: 34.2%). Max pain ranged from $170.00 to $190.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 14 of 21 days. Put/call ratio averaged 1.84.

Notable Days

  • 2025-05-22: Highest Volume — 341 contracts
  • 2025-05-05: Largest IV spike — 16.4% change
  • 2025-05-05: Highest IV Rank — 22.9%
  • 2025-05-01: Largest Expected Move — 10.1%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$183.16$175.56$191.00$175.58$184.00
Max Pain$181.43$170.00$190.00$170.00$185.00
ATM IV30.5%26.7%37.2%35.4%28.6%
Expected Move8.4%7.5%10.1%10.1%8.2%
HV 20d34.2%23.0%60.4%60.4%23.3%
HV 60d44.4%43.9%45.2%44.0%44.1%
IV Rank11.4%4.8%22.9%19.7%8.1%
IV Percentile31.7%8.3%70.2%61.1%20.2%
Term Structure0.1%-2.4%1.7%-1.3%-0.4%
VWIV29.5%26.1%37.0%37.0%26.1%
Skew 25d5.1%2.7%9.4%6.2%6.6%
Skew 10d11.7%8.1%19.3%10.9%10.9%
Call IV 25d26.2%23.1%32.3%32.3%23.1%
Put IV 25d31.3%27.7%38.5%38.5%29.6%
Bid-Ask Spread %71.3559.6988.0661.0588.06
Gamma HHI0.150.110.380.130.11
Net GEX526.0K152.8K1.1M677.2K188.7K
Net DEX-11.1M-21.4M-4.9M-10.5M-6.2M
Net VEX-60.2K-68.6K-54.4K-68.6K-55.9K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.840.0516.051.610.91
Total Volume132.952934113367
Total OI3,055.0952,2963,6633,6412,431

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-05-01$175.58$170.0035.4%10.1%60.4%19.7%37.0%6.2%-1.3%677.2K-10.5M-68.6K1.6161.05N/AN/A51822,1991,442
2025-05-02$176.27$170.0032.0%9.2%57.4%13.9%31.8%5.7%-1.8%775.9K-10.8M-66.4K0.1065.49N/AN/A275272,1871,434
2025-05-05$176.63$175.0037.2%8.8%57.4%22.9%30.7%5.9%0.3%640.1K-10.3M-63.3K1.0559.69N/AN/A42442,0771,443
2025-05-06$176.78$175.0033.5%9.0%56.5%16.5%31.4%5.1%0.1%673.2K-10.3M-63.2K0.0564.61N/AN/A291142,1041,479
2025-05-07$175.56$175.0035.7%8.5%55.9%20.2%30.4%5.0%1.7%535.2K-8.2M-59.1K0.6977.72N/AN/A35241,9521,493
2025-05-08$180.33$175.0032.5%8.6%35.9%14.8%30.5%5.4%-0.6%726.8K-12.5M-60.6K0.1961.93N/AN/A58111,9521,501
2025-05-09$180.03$175.0033.8%8.5%28.6%16.9%32.0%4.9%0.1%721.5K-12.2M-60.5K1.1864.27N/AN/A28331,9751,504
2025-05-12$187.93$175.0030.3%7.5%31.6%11.1%26.6%4.2%0.4%919.5K-19.5M-54.4K0.2366.99N/AN/A175401,9801,523
2025-05-13$191.00$175.0030.2%7.8%31.7%10.8%27.3%3.9%0.5%880.8K-21.4M-55.4K1.0371.32N/AN/A1161201,9581,529
2025-05-14$189.66$185.0027.7%7.9%30.9%6.5%26.9%2.7%0.5%846.2K-20.4M-60.1K0.2974.59N/AN/A35102,0051,588
2025-05-15$190.19$185.0027.7%7.9%28.9%6.5%27.0%4.4%0.9%860.1K-20.7M-59.0K0.1070.45N/AN/A214211,9981,596
2025-05-16$189.97$185.0026.7%7.6%27.3%4.8%26.7%3.5%1.4%1.1M-20.5M-60.0K0.2872.80N/AN/A166462,0591,604
2025-05-19$188.26$190.0027.7%7.9%25.8%6.5%27.6%4.7%-1.0%264.3K-8.7M-62.3K0.6274.81N/AN/A97601,391905
2025-05-20$187.03$190.0027.8%8.0%23.0%6.8%29.8%4.8%0.4%220.0K-7.8M-61.9K0.8176.83N/AN/A31251,433944
2025-05-21$182.39$190.0029.2%8.4%25.2%9.1%30.5%4.9%0.9%170.0K-5.2M-60.9K8.2075.06N/AN/A5411,434942
2025-05-22$181.38$190.0028.6%8.2%24.0%8.1%29.0%4.4%1.2%152.8K-4.9M-59.5K16.0570.64N/AN/A203211,438979
2025-05-23$182.25$190.0029.6%8.5%24.1%9.7%31.3%7.6%0.5%167.9K-5.4M-59.7K2.7473.95N/AN/A19521,446937
2025-05-27$185.22$185.0030.9%8.9%23.6%12.0%32.4%9.4%-2.4%205.4K-7.1M-59.6K1.2075.73N/AN/A15181,443977
2025-05-28$183.22$185.0028.4%8.1%23.6%7.7%27.3%4.8%-0.4%168.9K-5.7M-57.6K0.8675.19N/AN/A29251,454994
2025-05-29$182.66$185.0027.9%8.0%23.6%6.9%27.7%3.5%0.7%172.8K-5.5M-56.5K0.5077.19N/AN/A631,445982
2025-05-30$184.00$185.0028.6%8.2%23.3%8.1%26.1%6.6%-0.4%188.7K-6.2M-55.9K0.9188.06N/AN/A35321,448983