OPEN Options History — October 2021

In October 2021, OPEN traded between $18.96 and $24.13. ATM implied volatility averaged 74.0%, placing in the 55.8% IV rank vs the trailing year. The 30-day expected move averaged 21.3%. IV traded above realized volatility by 21.5% (HV 20d: 52.5%). Max pain ranged from $18.50 to $20.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 5 of 21 days. Put/call ratio averaged 0.34.

Notable Days

  • 2021-10-08: Highest Volume — 101,077 contracts
  • 2021-10-18: Largest IV spike — 8.9% change
  • 2021-10-18: Highest IV Rank — 60.0%
  • 2021-10-29: Largest Expected Move — 24.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$22.59$18.96$24.13$20.62$23.58
Max Pain$19.31$18.50$20.00$18.50$20.00
ATM IV74.0%65.2%79.2%65.2%75.5%
Expected Move21.3%17.3%24.0%17.3%24.0%
HV 20d52.5%48.4%59.5%50.0%49.7%
HV 60d71.4%69.8%72.6%70.4%70.0%
IV Rank55.8%48.8%60.0%48.8%57.0%
IV Percentile65.0%56.3%72.2%56.3%65.5%
Term Structure-1.7%-5.1%8.7%8.7%-2.7%
VWIV75.2%62.8%85.3%62.8%85.3%
Skew 25d-0.5%-10.0%4.4%1.2%-3.2%
Skew 10d4.1%-3.8%35.8%17.2%-3.5%
Call IV 25d76.2%62.2%87.0%62.2%80.3%
Put IV 25d75.7%63.4%80.1%63.4%77.1%
Bid-Ask Spread %17.9411.4230.8126.4915.69
Gamma HHI0.130.080.220.120.16
Net GEX5.4M2.2M9.5M4.0M9.5M
Net DEX-341.8M-436.6M-163.3M-238.5M-382.2M
Net VEX-2.0M-2.3M-1.6M-1.7M-2.3M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.340.050.580.120.41
Total Volume35,982.9524,851101,07722,57122,136
Total OI448,908.286375,854541,974384,399541,974

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2021-10-01$20.62$18.5065.2%17.3%50.0%48.8%62.8%1.2%8.7%4.0M-238.5M-1.7M0.1226.4920,1912,380266,944117,455
2021-10-04$18.96$19.0070.4%20.3%57.9%53.0%71.1%-10.0%0.7%2.2M-163.3M-1.6M0.4423.929,7414,302259,951115,903
2021-10-05$19.26$19.0070.4%19.6%57.4%52.9%69.2%-7.4%-0.8%3.4M-178.1M-1.7M0.4114.043,4291,422272,591116,103
2021-10-06$19.70$19.0071.3%19.9%55.4%53.7%71.3%4.4%2.8%4.1M-197.1M-1.7M0.0730.8120,9601,371273,467117,363
2021-10-07$20.30$19.0072.3%19.8%56.1%54.5%69.7%-4.6%-2.4%5.2M-227.3M-1.7M0.0530.1836,5121,859274,562117,996
2021-10-08$21.63$19.0076.6%20.8%59.5%57.9%73.6%1.8%-3.7%4.0M-313.6M-1.7M0.2116.7183,44517,632283,372117,939
2021-10-11$21.95$19.0074.0%20.7%54.4%55.8%73.1%2.5%-0.6%4.6M-311.2M-1.8M0.2418.5426,2196,239278,297117,521
2021-10-12$23.21$19.0073.7%20.7%53.0%55.6%73.6%-0.4%0.1%5.7M-400.3M-1.9M0.1513.2655,7818,153306,075122,742
2021-10-13$23.46$19.0076.4%20.8%52.5%57.8%74.0%1.2%-3.0%5.9M-413.3M-1.8M0.3414.3110,5513,623307,795123,151
2021-10-14$23.70$19.0073.1%20.5%50.8%55.1%72.0%4.3%-2.1%6.2M-436.6M-1.9M0.4611.429,7104,436328,786127,350
2021-10-15$23.47$19.0072.8%20.3%51.4%54.8%71.4%0.9%-3.3%5.1M-424.8M-1.9M0.3113.8114,4644,421330,636129,016
2021-10-18$24.13$19.0079.2%22.4%51.6%60.0%79.0%-1.8%-5.1%4.4M-385.7M-1.9M0.3320.9369,06822,753285,989118,810
2021-10-19$24.03$19.0075.4%21.5%50.4%56.9%75.8%-1.1%-3.1%4.5M-384.5M-1.9M0.5713.7212,8567,294290,000120,521
2021-10-20$23.59$19.0076.2%21.8%51.5%57.6%76.0%0.2%-4.4%5.1M-364.0M-2.1M0.5813.6135,48720,717328,169142,707
2021-10-21$23.80$20.0074.1%21.5%51.1%55.9%76.6%-0.3%-4.3%5.6M-390.8M-2.2M0.5213.5520,85010,878352,205153,194
2021-10-22$23.31$20.0074.4%21.7%52.0%56.1%77.4%-0.2%-4.9%4.3M-368.5M-2.3M0.5414.1918,2979,838362,992154,189
2021-10-25$23.95$20.0073.3%22.5%52.0%55.2%79.0%1.8%0.3%6.5M-401.8M-2.3M0.5011.5420,39210,172353,215147,893
2021-10-26$23.79$20.0077.5%23.6%48.9%58.7%83.1%0.5%-3.3%6.1M-378.1M-2.3M0.2724.9342,23611,527356,973150,602
2021-10-27$23.81$20.0075.4%23.3%48.8%57.0%82.0%-1.0%-2.3%7.7M-394.9M-2.3M0.3918.5626,30310,245372,025153,086
2021-10-28$24.13$20.0076.1%23.7%48.4%57.5%83.4%0.1%-3.5%8.8M-423.2M-2.3M0.2316.5130,5767,176382,409155,106
2021-10-29$23.58$20.0075.5%24.0%49.7%57.0%85.3%-3.2%-2.7%9.5M-382.2M-2.3M0.4115.6915,6506,486385,464156,510