OPEN Options History — April 2025

In April 2025, OPEN traded between $0.74 and $1.06. ATM implied volatility averaged 115.2%, placing in the 65.7% IV rank vs the trailing year. The 30-day expected move averaged 37.8%. IV traded above realized volatility by 32.1% (HV 20d: 83.1%). Max pain ranged from $1.00 to $1.50. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 10 of 21 days. Put/call ratio averaged 0.20.

Notable Days

  • 2025-04-24: Highest Volume — 21,126 contracts
  • 2025-04-10: Largest IV spike — 52.2% change
  • 2025-04-04: Highest IV Rank — 100.0%
  • 2025-04-29: Largest Expected Move — 49.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$0.92$0.74$1.06$1.00$0.74
Max Pain$1.48$1.00$1.50$1.50$1.00
ATM IV115.2%91.8%146.7%109.5%116.3%
Expected Move37.8%32.4%49.0%33.1%41.9%
HV 20d83.1%69.7%100.5%81.0%95.7%
HV 60d80.1%76.7%87.3%79.8%83.9%
IV Rank65.7%37.8%100.0%64.3%65.6%
IV Percentile74.9%29.4%100.0%74.6%79.4%
Term Structure1.2%-44.8%135.5%2.5%-4.6%
VWIV130.1%115.2%173.9%118.3%164.6%
Skew 25d-5.4%-57.6%38.5%-13.8%-31.9%
Skew 10d-17.0%-83.6%42.3%-22.0%-56.4%
Call IV 25d133.0%82.8%182.6%111.8%182.6%
Put IV 25d127.6%96.5%203.5%98.0%150.6%
Bid-Ask Spread %8.292.9825.615.282.98
Gamma HHI0.140.130.160.130.13
Net GEX52.8K35.3K68.7K68.0K35.3K
Net DEX-3.9M-5.7M-2.0M-4.8M-2.2M
Net VEX-58.8K-70.6K-43.4K-65.4K-43.4K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.200.010.760.320.10
Total Volume7,620.4762,52021,1269,3823,875
Total OI347,490.619336,251357,110342,970357,110

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2025-04-01$1.00$1.50109.5%33.1%81.0%64.3%118.3%-13.8%2.5%68.0K-4.8M-65.4K0.325.287,1002,282300,95742,013
2025-04-02$1.00$1.50104.9%32.4%81.0%58.6%116.5%-12.7%1.4%54.2K-4.6M-65.5K0.336.593,1531,052300,61643,918
2025-04-03$0.99$1.50104.8%34.0%79.7%58.5%128.4%19.0%-0.3%51.0K-4.2M-61.9K0.2425.617,1071,729301,89844,801
2025-04-04$0.98$1.50143.2%37.8%78.1%100.0%132.8%-23.6%135.5%62.9K-4.9M-65.2K0.7610.687,1765,450303,05943,762
2025-04-07$1.00$1.50106.2%36.7%78.3%56.4%115.2%22.8%4.6%63.1K-4.8M-64.4K0.388.528,9833,417301,94940,620
2025-04-08$0.95$1.50100.7%36.7%73.6%49.9%126.3%-28.8%32.8%57.4K-4.3M-61.6K0.119.443,180359305,38742,501
2025-04-09$1.06$1.5096.4%34.9%79.3%44.9%116.9%17.7%4.6%68.1K-5.7M-70.6K0.0214.058,813214306,61442,607
2025-04-10$0.97$1.50146.7%35.1%81.7%100.0%124.8%-14.4%-19.7%63.4K-4.8M-65.0K0.1310.644,123549309,52342,775
2025-04-11$0.98$1.50118.8%34.8%81.9%68.4%121.6%-12.2%5.6%59.7K-4.7M-65.3K0.159.244,817716310,19542,740
2025-04-14$0.97$1.50125.7%37.8%76.9%76.2%131.9%28.1%-44.8%57.0K-4.3M-61.0K0.238.532,710630305,06742,018
2025-04-15$0.92$1.50118.7%34.6%75.5%68.3%119.1%-20.1%-1.1%52.6K-3.8M-58.9K0.537.441,644876306,70142,491
2025-04-16$0.92$1.50132.5%38.0%69.7%83.9%125.8%-13.1%-14.0%50.3K-3.7M-58.3K0.097.965,893550307,21043,280
2025-04-17$0.96$1.50117.9%35.0%72.4%67.4%119.5%-5.8%-13.3%51.8K-3.8M-62.6K0.139.783,773483307,48843,210
2025-04-21$0.94$1.50116.5%36.3%72.5%65.8%126.3%27.3%-28.7%56.8K-4.2M-61.2K0.046.864,496188294,60841,643
2025-04-22$1.00$1.50104.6%36.0%75.5%52.4%124.2%-13.3%-41.2%68.7K-4.6M-62.7K0.067.883,548198297,17041,653
2025-04-23$0.83$1.5091.8%41.4%98.0%37.8%144.0%-51.9%14.0%40.9K-3.6M-53.2K0.114.7211,5011,276298,83241,726
2025-04-24$0.78$1.50107.2%42.4%99.2%55.3%134.4%8.9%-6.4%37.4K-2.2M-47.8K0.183.7117,8803,246305,78542,529
2025-04-25$0.76$1.50112.5%40.5%99.2%61.3%141.6%-57.6%5.0%35.8K-2.0M-45.7K0.114.5311,4771,220309,04343,751
2025-04-28$0.78$1.50125.8%45.4%100.5%76.4%125.5%38.5%1.2%37.5K-2.3M-47.3K0.015.4810,539151302,10543,427
2025-04-29$0.76$1.50118.3%49.0%95.6%67.9%173.9%24.4%-7.6%37.5K-2.6M-47.1K0.214.103,011645311,06843,453
2025-04-30$0.74$1.00116.3%41.9%95.7%65.6%164.6%-31.9%-4.6%35.3K-2.2M-43.4K0.102.983,534341313,08744,023