GPK Options History — May 2025

In May 2025, GPK traded between $21.21 and $23.54. ATM implied volatility averaged 29.2%, placing in the 17.3% IV rank vs the trailing year. The 30-day expected move averaged 8.1%. IV traded below realized volatility by 37.0% (HV 20d: 66.2%). Max pain ranged from $22.50 to $25.00. Net GEX was positive for 3 of 21 trading days. Term structure was in contango for 13 of 21 days. Put/call ratio averaged 1.52.

Notable Days

  • 2025-05-14: Highest Volume — 2,048 contracts
  • 2025-05-07: Largest IV spike — 29.7% change
  • 2025-05-07: Highest IV Rank — 28.1%
  • 2025-05-01: Largest Expected Move — 9.1%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$22.62$21.21$23.54$21.21$22.24
Max Pain$24.88$22.50$25.00$25.00$25.00
ATM IV29.2%26.7%38.5%31.6%26.7%
Expected Move8.1%7.4%9.1%9.1%7.7%
HV 20d66.2%24.8%72.7%71.1%24.8%
HV 60d46.1%45.2%46.5%45.2%46.5%
IV Rank17.3%14.4%28.1%20.1%14.4%
IV Percentile54.7%40.1%81.0%65.1%40.1%
Term Structure0.9%-7.9%9.5%9.5%0.9%
VWIV30.1%26.3%37.4%34.5%26.7%
Skew 25d4.1%0.8%10.3%6.3%1.3%
Skew 10d6.4%-4.3%13.3%7.9%0.4%
Call IV 25d28.4%18.1%33.9%31.6%30.6%
Put IV 25d32.5%28.5%37.9%37.9%31.9%
Bid-Ask Spread %70.4355.8080.9861.5776.06
Gamma HHI0.460.340.720.430.72
Net GEX-18.3K-64.4K52.7K-32.4K-64.4K
Net DEX961.6K43.1K1.7M1.7M1.7M
Net VEX-5.9K-8.6K-3.2K-3.2K-5.5K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.520.0012.854.391.66
Total Volume259.42912,04871777
Total OI7,171.6195,3698,7875,3698,787

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2025-05-01$21.21$25.0031.6%9.1%71.1%20.1%34.5%6.3%9.5%-32.4K1.7M-3.2K4.3961.571335844,3181,051
2025-05-02$21.91$22.5027.8%8.0%72.7%15.6%32.0%3.9%1.1%-29.8K1.2M-4.4K0.0279.5717644,429974
2025-05-05$22.13$25.0030.2%8.3%72.4%18.5%30.6%4.0%3.1%-24.1K1.1M-4.6K0.1261.35156184,523975
2025-05-06$22.13$25.0029.6%7.8%71.4%17.8%27.7%6.1%5.0%-21.6K1.0M-4.7K0.2462.6785204,602992
2025-05-07$21.95$25.0038.5%8.5%70.4%28.1%31.0%10.2%1.9%-20.1K1.1M-4.5K0.0068.591804,6411,011
2025-05-08$22.32$25.0028.8%8.3%68.0%16.8%30.8%0.9%0.6%-9.0K842.5K-5.5K0.0068.366104,6501,011
2025-05-09$22.24$25.0028.2%8.3%67.6%16.1%29.7%3.3%1.6%-22.5K969.5K-4.7K0.4275.3626114,6591,011
2025-05-12$23.06$25.0031.1%7.4%68.1%19.5%26.3%10.3%2.6%-29.4K631.3K-4.8K0.0377.6611644,6601,010
2025-05-13$23.38$25.0028.3%7.9%68.1%16.2%26.3%3.3%-7.9%-27.3K475.9K-5.2K0.0866.996554,7031,008
2025-05-14$23.10$25.0028.1%8.1%68.2%16.0%37.4%3.5%1.9%-20.4K548.7K-5.2K0.0069.632,04624,7171,010
2025-05-15$23.30$25.0029.2%8.4%68.0%17.3%27.7%3.4%-0.1%-17.1K463.1K-5.4K0.2276.351,0452346,4231,010
2025-05-16$23.54$25.0029.4%8.4%68.0%17.6%33.0%4.3%-0.1%52.7K43.1K-8.1K0.0370.073017,3961,230
2025-05-19$23.48$25.0028.7%8.2%68.0%16.7%28.4%2.9%1.9%49.8K218.0K-8.0K12.8576.41334247,2801,141
2025-05-20$23.31$25.0029.3%8.4%66.5%17.5%29.0%4.4%-0.9%15.9K584.5K-8.6K0.0080.980127,2861,471
2025-05-21$22.84$25.0028.5%8.2%66.6%16.5%29.4%3.5%-0.7%-10.3K1.0M-7.7K0.0075.45407,2861,480
2025-05-22$22.78$25.0027.6%7.9%66.3%15.4%27.6%3.5%-0.9%-20.8K1.1M-7.2K7.3355.803227,2871,481
2025-05-23$22.66$25.0027.5%7.9%66.2%15.3%29.3%3.4%1.0%-26.2K1.2M-7.2K1.0068.00337,2871,483
2025-05-27$22.92$25.0028.3%8.1%66.2%16.2%28.3%5.4%-0.2%-24.1K1.1M-6.8K0.0070.05107,2901,483
2025-05-28$22.30$25.0027.7%7.9%66.4%15.5%30.5%0.8%0.2%-50.2K1.6M-5.9K0.5065.83847,2911,483
2025-05-29$22.32$25.0028.1%8.1%66.3%16.0%35.1%1.4%-0.6%-53.9K1.6M-5.8K0.0072.190147,2931,481
2025-05-30$22.24$25.0026.7%7.7%24.8%14.4%26.7%1.3%0.9%-64.4K1.7M-5.5K1.6676.0629487,2931,494