OPEN Options History — August 2025

In August 2025, OPEN traded between $1.83 and $5.05. ATM implied volatility averaged 185.9%, placing in the 48.3% IV rank vs the trailing year. The 30-day expected move averaged 53.2%. IV traded below realized volatility by 48.5% (HV 20d: 234.4%). Max pain ranged from $1.50 to $3.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 4 of 21 days. Put/call ratio averaged 0.32.

Notable Days

  • 2025-08-22: Highest Volume — 2,354,360 contracts
  • 2025-08-14: Largest IV spike — 25.4% change
  • 2025-08-25: Highest IV Rank — 67.3%
  • 2025-08-22: Largest Expected Move — 68.8%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$3.22$1.83$5.05$2.02$4.42
Max Pain$2.29$1.50$3.00$2.00$3.00
ATM IV185.9%137.1%236.2%179.8%175.5%
Expected Move53.2%38.4%68.8%58.3%51.2%
HV 20d234.4%189.5%274.0%243.3%220.2%
HV 60d185.4%176.8%198.7%179.4%198.6%
IV Rank48.3%29.8%67.3%45.9%44.3%
IV Percentile93.2%88.1%96.8%95.2%88.9%
Term Structure-3.2%-12.4%5.6%-7.5%-0.6%
VWIV196.6%144.3%250.2%223.0%187.5%
Skew 25d-30.7%-46.0%-13.9%-33.5%-33.9%
Skew 10d-36.7%-68.6%32.0%32.0%-43.7%
Call IV 25d212.0%162.9%268.8%212.1%201.6%
Put IV 25d181.2%138.4%232.6%178.6%167.7%
Bid-Ask Spread %5.983.649.013.744.08
Gamma HHI0.180.120.600.140.15
Net GEX1.8M535.5K7.2M711.9K2.0M
Net DEX-310.8M-728.0M-85.5M-125.1M-427.6M
Net VEX-903.9K-1.3M-555.3K-591.8K-1.3M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.320.170.440.340.32
Total Volume843,065.429244,2302,354,360505,155964,230
Total OI2,417,909.6671,984,1463,048,6562,341,0743,048,656

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2025-08-01$2.02$2.00179.8%58.3%243.3%45.9%223.0%-33.5%-7.5%711.9K-125.1M-591.8K0.343.74376,719128,4361,747,514593,560
2025-08-04$2.49$2.50194.3%51.7%248.3%51.4%192.9%-36.5%-8.1%1.1M-198.5M-681.0K0.279.01446,816120,8331,562,290483,277
2025-08-05$2.50$2.50188.8%51.3%246.8%49.3%189.8%-23.4%-4.9%1.3M-209.2M-707.9K0.288.92377,826106,5061,708,870526,103
2025-08-06$1.90$2.50150.5%42.3%274.0%34.9%163.4%-31.5%3.1%535.5K-95.6M-570.7K0.435.80545,653233,7671,816,368580,884
2025-08-07$1.83$2.00149.1%41.7%273.4%34.4%156.7%-13.9%-1.7%569.9K-85.5M-555.3K0.387.75272,139104,5271,837,065562,616
2025-08-08$1.96$2.00137.1%38.4%267.9%29.8%144.3%-24.5%-4.3%696.7K-104.9M-584.0K0.445.78169,24174,9891,856,718565,245
2025-08-11$2.27$2.00147.9%42.6%268.0%33.9%154.8%-26.0%4.0%1.0M-161.7M-648.8K0.228.82363,50979,9581,546,637437,509
2025-08-12$2.45$2.00159.5%44.7%266.1%38.3%168.1%-29.3%-3.6%1.4M-201.6M-684.0K0.226.71533,805119,7461,657,267446,715
2025-08-13$2.45$2.00159.8%45.3%243.8%38.4%164.5%-31.3%-1.7%1.6M-197.7M-680.7K0.216.04243,65451,7751,695,521449,402
2025-08-14$2.99$2.00200.3%55.2%248.4%53.7%212.3%-33.5%-10.2%2.0M-303.1M-775.5K0.194.33932,327177,4481,727,268457,784
2025-08-15$3.25$1.50193.1%54.5%229.1%51.0%209.5%-19.8%-4.0%1.4M-352.8M-843.1K0.174.971,042,610180,3551,850,703519,516
2025-08-18$3.81$2.00218.9%62.5%202.1%60.7%222.0%-46.0%-9.1%1.9M-418.2M-953.1K0.304.36955,765287,6661,642,967400,605
2025-08-19$3.63$2.00216.0%61.6%201.4%59.6%224.4%-38.0%5.6%2.2M-410.8M-1.1M0.376.07587,458219,9261,882,086532,494
2025-08-20$3.23$2.00188.6%54.1%189.5%49.3%202.4%-36.9%1.9%1.8M-315.1M-1.0M0.357.20466,383161,2351,960,011619,472
2025-08-21$3.60$2.50200.0%57.5%192.2%53.6%213.5%-35.2%-1.6%2.5M-381.9M-1.1M0.266.33478,586125,3011,948,982636,701
2025-08-22$5.05$2.50236.1%68.8%223.1%67.2%247.2%-36.2%-12.4%7.2M-728.0M-1.2M0.283.641,834,947519,4131,977,308638,069
2025-08-25$4.88$2.50236.2%68.6%221.2%67.3%250.2%-29.3%-4.0%2.1M-564.2M-1.2M0.435.411,326,035573,3841,674,585636,235
2025-08-26$4.58$2.50209.1%60.6%217.4%57.0%217.5%-30.6%-3.6%2.2M-481.9M-1.3M0.424.36702,630295,5851,883,356828,154
2025-08-27$4.00$3.00181.1%52.8%225.8%46.5%195.1%-28.0%-1.6%1.5M-350.1M-1.2M0.376.58608,806223,6371,989,822884,483
2025-08-28$4.29$3.00182.8%52.7%220.4%47.1%189.7%-28.2%-3.8%2.0M-412.3M-1.3M0.385.72500,502190,2462,062,910900,375
2025-08-29$4.42$3.00175.5%51.2%220.2%44.3%187.5%-33.9%-0.6%2.0M-427.6M-1.3M0.324.08730,326233,9042,126,518922,138