GROY Options History — September 2021

In September 2021, GROY traded between $4.10 and $5.36. ATM implied volatility averaged 63.0%. The 30-day expected move averaged 18.4%. IV traded below realized volatility by 19.3% (HV 20d: 82.3%). Max pain ranged from $2.50 to $7.50. Net GEX was positive for 14 of 21 trading days. Term structure was in contango for 16 of 21 days. Put/call ratio averaged 1.40.

Notable Days

  • 2021-09-09: Highest Volume — 4,190 contracts
  • 2021-09-07: Largest IV spike — 47.4% change
  • 2021-09-10: Largest Expected Move — 24.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$4.95$4.10$5.36$4.24$4.99
Max Pain$4.88$2.50$7.50$7.50$5.00
ATM IV63.0%37.6%83.8%53.1%57.7%
Expected Move18.4%12.7%24.0%15.2%16.6%
HV 20d82.3%47.0%96.3%50.8%88.4%
HV 60d66.7%64.6%68.5%68.5%64.6%
Term Structure11.0%-27.5%79.5%26.0%-10.0%
VWIV65.9%44.4%94.8%69.9%58.7%
Bid-Ask Spread %44.9419.4185.8653.6837.73
Gamma HHI0.510.330.760.680.43
Net GEX1.0K-8.5K5.8K-3.2K4.9K
Net DEX-382.5K-935.7K354.6K264.4K-460.4K
Net VEX-5.0K-6.9K-2.0K-2.0K-6.9K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.400.127.411.350.22
Total Volume654.19474,19047368
Total OI8,326.3815,66710,2805,66710,035

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2021-09-01$4.24$7.5053.1%15.2%50.8%0.0%69.9%0.0%26.0%-3.2K264.4K-2.0K1.3553.68N/AN/A20273,1272,540
2021-09-02$4.34$2.5046.4%16.5%50.0%0.0%57.8%0.0%1.2%-3.8K270.6K-2.0K0.2367.18N/AN/A6251413,1442,583
2021-09-03$4.40$2.5037.6%16.1%47.0%0.0%56.7%0.0%4.2%-3.7K275.8K-2.1K0.7185.86N/AN/A2101493,1502,610
2021-09-07$4.13$5.0055.5%14.5%50.8%0.0%45.8%0.0%-0.7%279293.9K-2.2K2.3947.68N/AN/A1002393,6742,704
2021-09-08$4.10$5.0056.5%16.2%50.8%0.0%52.3%0.0%-4.8%679354.6K-2.1K7.4150.12N/AN/A221633,8212,831
2021-09-09$5.12$5.0076.8%22.0%96.3%0.0%78.9%0.0%7.0%-5.2K-348.8K-4.2K0.3533.94N/AN/A3,0971,0933,9073,034
2021-09-10$5.13$5.0083.8%24.0%96.3%0.0%94.8%0.0%-1.5%-8.5K-316.1K-4.2K0.1455.22N/AN/A628903,9213,192
2021-09-13$5.09$5.0073.2%21.0%96.2%0.0%76.2%0.0%11.5%4.2K-436.1K-5.6K0.3451.06N/AN/A5651906,0144,051
2021-09-14$5.09$5.0068.1%19.5%95.6%0.0%69.5%0.0%16.6%702-266.3K-5.4K0.4457.65N/AN/A214945,6814,087
2021-09-15$5.10$5.0071.4%20.5%94.7%0.0%71.3%0.0%8.0%-510-365.4K-6.0K1.2947.81N/AN/A1361755,8524,213
2021-09-16$5.08$5.0079.4%22.8%94.4%0.0%79.4%0.0%79.5%-653-312.7K-5.9K0.3760.35N/AN/A5131915,9134,251
2021-09-17$5.15$5.0073.2%21.0%92.4%0.0%73.8%0.0%21.8%5.2K-676.1K-5.6K0.7754.59N/AN/A123955,9534,327
2021-09-20$5.02$5.0076.6%21.9%93.0%0.0%76.5%0.0%45.1%5.0K-531.4K-5.4K1.6445.05N/AN/A1402305,0052,707
2021-09-21$5.31$5.0075.3%21.6%94.1%0.0%77.4%0.0%6.5%5.8K-797.6K-5.8K0.6819.41N/AN/A8215605,0462,732
2021-09-22$5.30$5.0070.3%20.1%91.7%0.0%72.9%0.0%-27.5%5.2K-895.9K-6.1K0.3528.05N/AN/A4741675,1142,873
2021-09-23$5.35$5.0057.5%16.5%90.9%0.0%57.9%0.0%9.2%4.0K-929.8K-6.4K2.7826.11N/AN/A651815,5743,340
2021-09-24$5.36$5.0057.6%16.5%90.5%0.0%58.7%0.0%2.3%3.2K-935.7K-6.6K0.1923.20N/AN/A482925,7553,488
2021-09-27$5.24$5.0053.9%15.5%89.8%0.0%54.6%0.0%4.0%1.7K-858.5K-6.7K0.1234.67N/AN/A770935,7913,660
2021-09-28$5.21$5.0055.7%16.0%87.5%0.0%55.8%0.0%12.2%1.6K-637.9K-6.6K1.0836.80N/AN/A1321425,5603,734
2021-09-29$5.18$5.0044.5%12.7%87.2%0.0%44.4%0.0%19.8%4.7K-722.8K-6.9K6.5627.53N/AN/A161056,0503,810
2021-09-30$4.99$5.0057.7%16.6%88.4%0.0%58.7%0.0%-10.0%4.9K-460.4K-6.9K0.2237.73N/AN/A301676,0983,937