OPEN Options History — May 2025

In May 2025, OPEN traded between $0.66 and $0.90. ATM implied volatility averaged 110.4%, placing in the 59.0% IV rank vs the trailing year. The 30-day expected move averaged 31.0%. IV traded below realized volatility by 30.2% (HV 20d: 140.7%). Max pain ranged from $1.00 to $1.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 8 of 21 days. Put/call ratio averaged 0.08.

Notable Days

  • 2025-05-14: Highest Volume — 50,364 contracts
  • 2025-05-14: Largest IV spike — 47.6% change
  • 2025-05-06: Highest IV Rank — 93.6%
  • 2025-05-01: Largest Expected Move — 45.4%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$0.73$0.66$0.90$0.74$0.66
Max Pain$1.00$1.00$1.00$1.00$1.00
ATM IV110.4%83.1%141.1%85.6%121.7%
Expected Move31.0%17.4%45.4%45.4%39.8%
HV 20d140.7%95.2%163.0%95.7%149.1%
HV 60d105.6%83.1%114.7%83.7%110.7%
IV Rank59.0%28.0%93.6%30.9%71.7%
IV Percentile64.8%15.1%99.2%19.8%85.7%
Term Structure-9.5%-74.9%68.3%42.5%-26.7%
VWIV121.8%61.1%195.1%195.1%126.3%
Skew 25d-19.8%-112.5%37.0%-47.8%26.9%
Skew 10d-42.5%-177.1%72.6%-73.0%-2.4%
Call IV 25d156.7%110.5%302.4%203.3%146.9%
Put IV 25d136.9%82.3%205.0%155.5%173.7%
Bid-Ask Spread %16.323.0625.665.0725.66
Gamma HHI0.150.130.180.140.18
Net GEX49.9K34.3K65.6K34.8K57.7K
Net DEX-5.4M-8.6M-2.1M-2.2M-7.6M
Net VEX-56.9K-70.8K-42.0K-43.2K-65.0K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.080.010.320.020.04
Total Volume15,499.2864,01850,3644,4237,484
Total OI393,988.524356,401461,400357,896420,504

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2025-05-01$0.74$1.0085.6%45.4%95.7%30.9%195.1%-47.8%42.5%34.8K-2.2M-43.2K0.025.074,317106315,28642,610
2025-05-02$0.74$1.00113.1%44.9%95.8%62.0%150.9%-34.7%-64.9%36.3K-2.5M-43.8K0.073.065,986397318,67442,391
2025-05-05$0.74$1.00108.2%36.4%95.9%56.4%123.0%-54.0%41.7%36.1K-2.4M-44.3K0.086.425,181408314,26042,141
2025-05-06$0.72$1.00141.1%21.3%95.2%93.6%122.8%-4.8%-62.3%36.2K-2.3M-43.4K0.3224.573,042976317,14742,048
2025-05-07$0.90$1.0097.8%30.2%126.5%44.7%106.8%8.6%-7.1%53.5K-4.2M-53.4K0.2025.3426,7245,401320,79242,885
2025-05-08$0.89$1.00107.0%30.4%119.4%55.1%105.2%9.6%1.9%60.3K-4.2M-56.7K0.087.7910,996911333,97746,648
2025-05-09$0.66$1.00108.0%26.3%155.8%56.2%114.1%-25.0%-19.8%34.3K-2.1M-42.0K0.107.3025,9402,684338,87147,032
2025-05-12$0.71$1.0098.3%17.4%159.0%45.2%61.1%2.3%-26.9%36.1K-2.2M-42.7K0.0510.7514,090658339,82445,428
2025-05-13$0.71$1.0088.4%21.7%159.0%34.1%76.0%-31.0%-8.3%38.3K-2.5M-44.7K0.149.924,504626347,12445,326
2025-05-14$0.75$1.00130.5%32.3%160.3%81.6%133.5%-112.5%-25.9%46.8K-4.0M-53.8K0.0210.1549,591773349,79343,954
2025-05-15$0.72$1.00135.2%33.3%160.6%87.0%103.1%-45.2%-74.9%51.9K-5.5M-59.7K0.0617.1638,8982,312390,70444,413
2025-05-16$0.78$1.00125.5%38.0%162.8%76.0%133.4%-36.4%-1.7%58.8K-8.5M-65.9K0.0220.1520,159389417,62243,778
2025-05-19$0.79$1.00111.6%32.2%163.0%60.3%114.6%15.0%1.6%65.6K-8.6M-70.8K0.0119.1922,784160346,30034,685
2025-05-20$0.74$1.00119.5%34.5%161.9%69.3%159.2%12.9%-36.8%62.0K-8.1M-69.6K0.1514.0910,0251,531358,49734,760
2025-05-21$0.69$1.00103.9%29.8%150.5%51.6%146.0%-48.3%-56.4%57.0K-7.5M-65.4K0.1421.658,4391,141362,61136,231
2025-05-22$0.69$1.00119.3%31.6%149.2%68.9%93.0%-84.7%68.3%56.4K-7.4M-66.1K0.0425.207,608284365,04737,776
2025-05-23$0.68$1.0083.1%20.2%149.0%28.0%92.7%37.0%31.5%54.6K-7.5M-66.5K0.1122.3910,6691,122368,83537,739
2025-05-27$0.68$1.0096.7%26.8%148.6%43.4%117.1%31.1%22.6%56.4K-7.6M-65.8K0.0623.658,600485369,16438,325
2025-05-28$0.68$1.00103.2%32.8%148.4%50.8%171.9%-21.2%39.1%56.2K-7.7M-64.6K0.0217.8510,732240374,25838,499
2025-05-29$0.69$1.00121.5%24.9%148.4%71.5%112.0%-13.8%-38.1%59.2K-7.8M-66.8K0.0525.348,718394379,17538,625
2025-05-30$0.66$1.00121.7%39.8%149.1%71.7%126.3%26.9%-26.7%57.7K-7.6M-65.0K0.0425.667,200284381,47239,032