GPK Options History — October 2025

In October 2025, GPK traded between $15.98 and $19.54. ATM implied volatility averaged 38.7%, placing in the 27.0% IV rank vs the trailing year. The 30-day expected move averaged 11.2%. IV traded above realized volatility by 16.7% (HV 20d: 22.1%). Max pain ranged from $17.50 to $20.00. Net GEX was positive for 22 of 23 trading days. Term structure was in contango for 4 of 23 days. Put/call ratio averaged 0.95.

Notable Days

  • 2025-10-30: Highest Volume — 5,428 contracts
  • 2025-10-21: Largest IV spike — 31.9% change
  • 2025-10-16: Highest IV Rank — 36.7%
  • 2025-10-16: Largest Expected Move — 13.4%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$17.75$15.98$19.54$19.54$15.98
Max Pain$19.46$17.50$20.00$20.00$17.50
ATM IV38.7%28.8%46.8%33.9%46.0%
Expected Move11.2%8.6%13.4%9.7%13.2%
HV 20d22.1%17.2%30.1%21.9%30.0%
HV 60d26.9%25.7%28.0%27.1%26.1%
IV Rank27.0%15.2%36.7%21.3%35.7%
IV Percentile86.9%46.4%98.8%82.1%97.6%
Term Structure-2.2%-20.6%9.5%2.8%-5.4%
VWIV39.0%26.0%46.7%33.9%46.4%
Skew 25d2.0%-9.3%9.3%2.1%-2.0%
Skew 10d0.1%-17.3%16.0%0.2%-6.9%
Call IV 25d39.6%32.4%48.2%38.6%48.2%
Put IV 25d41.6%25.6%48.9%40.8%46.2%
Bid-Ask Spread %75.2651.98102.8667.8380.54
Gamma HHI0.360.210.630.530.30
Net GEX58.4K-12.1K199.8K175.0K4.0K
Net DEX-698.4K-3.3M699.7K-2.6M-890.6K
Net VEX-10.2K-21.7K-4.0K-17.4K-14.5K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.950.006.590.000.03
Total Volume510.043225,4281,009533
Total OI5,511.2174,0437,4726,1307,472

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2025-10-01$19.54$20.0033.9%9.7%21.9%21.3%33.9%2.1%2.8%175.0K-2.6M-17.4K0.0067.831,00545,577553
2025-10-02$19.39$20.0033.1%9.5%21.9%20.2%33.1%-9.3%3.6%199.8K-3.3M-21.7K0.0165.3714026,580557
2025-10-03$19.34$20.0032.5%9.3%19.3%19.6%32.5%-6.8%3.9%192.6K-3.2M-21.1K0.0451.984526,547559
2025-10-06$19.07$20.0034.8%10.5%19.0%22.4%39.0%1.5%-2.0%175.3K-2.7M-20.0K0.5765.2272416,527560
2025-10-07$18.97$20.0036.3%10.5%18.0%24.1%0.0%0.6%-1.6%167.7K-2.6M-19.6K3.6552.5517626,554588
2025-10-08$18.82$20.0028.8%10.6%17.2%15.2%37.0%1.7%-3.4%166.2K-2.3M-19.2K0.5766.891486,552617
2025-10-09$18.23$20.0035.7%11.1%18.7%23.4%37.7%3.8%-1.9%115.0K-1.7M-17.1K3.0653.23491506,574624
2025-10-10$17.55$20.0036.0%11.5%21.7%23.8%41.6%2.5%-1.1%79.3K-1.2M-15.7K0.0282.472,864566,591675
2025-10-13$17.48$20.0040.9%11.6%20.8%29.7%26.0%3.9%-4.4%6.4K292.7K-5.1K0.5869.2324144,154711
2025-10-14$17.54$20.0046.4%11.4%20.8%36.2%38.4%4.3%-1.5%7.0K284.8K-5.1K1.5575.13671044,171722
2025-10-15$17.37$20.0039.5%11.3%20.6%27.9%41.7%4.1%-2.3%3.4K364.7K-5.1K0.3766.0470264,196824
2025-10-16$17.13$20.0046.8%13.4%20.7%36.7%46.7%9.3%-20.6%1.9K446.6K-4.3K0.1190.933844,253818
2025-10-17$17.11$20.0040.4%11.6%20.1%29.0%39.7%5.1%-2.8%7.2K382.3K-5.0K0.1683.031934,287815
2025-10-20$17.32$20.0030.0%8.6%21.1%16.6%35.7%-0.7%9.5%8.0K198.7K-5.2K0.2487.292153,309734
2025-10-21$17.55$20.0039.6%11.3%21.3%28.1%35.9%5.5%-2.0%9.4K178.6K-5.1K0.1671.6885143,323739
2025-10-22$17.87$20.0040.3%11.5%22.0%28.9%42.9%0.5%-2.6%14.1K17.5K-5.8K0.0189.668513,339739
2025-10-23$17.68$20.0039.7%11.4%22.1%28.2%40.5%2.5%-3.1%11.4K153.5K-5.1K1.4777.2834503,396739
2025-10-24$17.23$20.0037.4%10.7%23.0%25.5%37.4%4.6%-0.9%8.0K202.5K-5.1K2.2780.80441003,399783
2025-10-27$17.41$17.5041.0%11.8%23.7%29.8%41.1%5.2%-3.2%2.4K297.5K-5.0K0.0877.342523,418883
2025-10-28$17.30$17.5041.2%11.8%23.0%30.0%42.2%5.8%-3.9%120336.3K-4.8K0.0177.6819723,398883
2025-10-29$16.27$17.5046.0%13.2%30.0%35.8%44.8%1.9%-2.2%2.2K511.8K-4.5K6.59102.86271783,539885
2025-10-30$16.05$17.5044.4%12.7%30.1%33.8%43.0%0.3%-4.5%-12.1K699.7K-4.0K0.1795.834,6218073,5651,029
2025-10-31$15.98$17.5046.0%13.2%30.0%35.7%46.4%-2.0%-5.4%4.0K-890.6K-14.5K0.0380.54517165,6511,821