OPEN Options History — March 2026

In March 2026, OPEN traded between $4.46 and $5.50. ATM implied volatility averaged 84.0%, placing in the 9.4% IV rank vs the trailing year. The 30-day expected move averaged 23.4%. IV traded above realized volatility by 10.6% (HV 20d: 73.4%). Max pain ranged from $4.00 to $5.00. Net GEX was positive for 21 of 22 trading days. Term structure was in contango for 14 of 22 days. Put/call ratio averaged 0.34.

Notable Days

  • 2026-03-17: Highest Volume — 179,410 contracts
  • 2026-03-30: Largest IV spike — 5.7% change
  • 2026-03-18: Highest IV Rank — 11.3%
  • 2026-03-30: Largest Expected Move — 26.2%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$5.01$4.46$5.50$4.99$4.63
Max Pain$4.16$4.00$5.00$5.00$4.50
ATM IV84.0%81.0%89.2%82.2%85.6%
Expected Move23.4%11.1%26.2%24.4%24.5%
HV 20d73.4%65.6%79.6%79.6%67.4%
HV 60d77.3%75.7%79.6%79.3%79.6%
IV Rank9.4%4.6%11.3%9.0%4.6%
IV Percentile10.2%5.2%18.3%5.2%15.5%
Term Structure1.9%-3.9%24.4%0.3%9.4%
VWIV85.6%81.2%93.3%86.4%86.7%
Skew 25d0.9%-7.3%7.5%-0.1%7.5%
Skew 10d1.9%-13.9%16.6%0.6%16.6%
Call IV 25d85.1%80.2%93.1%84.1%83.2%
Put IV 25d86.0%82.0%90.7%83.9%90.7%
Bid-Ask Spread %24.729.4549.3341.8111.61
Gamma HHI0.150.110.240.140.12
Net GEX1.1M-23.2K2.6M981.6K596.0K
Net DEX-58.3M-100.4M-27.7M-55.6M-44.7M
Net VEX-612.6K-678.9K-565.3K-583.6K-606.2K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.340.150.840.290.15
Total Volume80,036.545,701179,41076,05465,997
Total OI737,603.182655,379827,974670,508761,222

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2026-03-02$4.99$5.0082.2%24.4%79.6%9.0%86.4%-0.1%0.3%981.6K-55.6M-583.6K0.2941.8159,10916,945502,414168,094
2026-03-03$4.96$5.0081.1%23.8%77.2%8.6%83.6%1.5%-2.6%856.8K-50.8M-569.6K0.2846.4746,84113,088514,783176,599
2026-03-04$4.88$5.0081.5%23.1%74.1%8.8%81.3%4.4%0.0%800.7K-48.2M-565.3K0.1944.1460,26811,493525,319179,819
2026-03-05$5.11$4.0084.0%23.0%74.7%9.7%81.2%3.6%-3.9%1.1M-58.9M-592.3K0.2718.6559,54616,163533,953182,328
2026-03-06$4.96$4.0083.6%23.6%74.5%9.6%84.3%-2.6%-2.8%782.4K-48.2M-582.2K0.5611.7851,06728,548553,341187,682
2026-03-09$5.09$4.0082.7%23.7%74.1%9.2%84.4%2.0%-0.4%1.0M-56.9M-593.8K0.1525.3958,3088,909486,864168,515
2026-03-10$5.04$4.0082.3%23.4%74.3%9.1%82.7%-0.9%-0.4%1.2M-58.3M-592.1K0.1747.3843,0917,529504,575171,503
2026-03-11$5.17$4.0081.8%23.8%73.3%8.9%83.0%1.7%2.4%1.6M-69.2M-609.6K0.1822.4058,51210,509521,182172,767
2026-03-12$4.87$4.0084.6%11.1%76.7%10.0%86.8%-7.3%0.8%1.3M-50.5M-572.0K0.7019.2747,38833,198541,730176,540
2026-03-13$4.91$4.0084.9%25.1%70.3%10.0%86.8%2.6%0.1%734.2K-45.4M-575.6K0.4727.2653,90025,360549,941188,371
2026-03-16$5.16$4.0085.4%24.5%71.9%10.2%85.6%0.1%0.3%998.2K-63.8M-608.5K0.1721.5596,58016,432495,793189,139
2026-03-17$5.50$4.0085.8%24.5%73.6%10.4%85.9%-1.0%0.3%2.1M-100.4M-674.2K0.2211.62147,20332,207554,513194,657
2026-03-18$5.37$4.0088.2%25.0%72.7%11.3%88.3%0.6%-2.3%2.6M-99.2M-657.2K0.2549.3350,12012,741611,011206,560
2026-03-19$5.14$4.0085.5%24.3%74.8%10.3%91.0%3.0%-0.7%1.9M-73.5M-637.1K0.3030.7657,59917,279611,620208,126
2026-03-20$4.83$4.0085.1%24.4%75.8%10.1%87.2%-0.3%-1.0%586.3K-40.5M-603.9K0.8411.3249,89942,135615,813212,161
2026-03-23$5.19$4.0081.7%22.9%77.4%8.9%83.3%0.8%7.3%943.8K-65.1M-649.1K0.3010.50110,09433,464487,834189,475
2026-03-24$5.17$4.0084.1%24.0%74.5%9.8%83.1%5.7%2.1%1.4M-69.6M-678.9K0.399.4535,46513,916549,440211,937
2026-03-25$5.06$4.0081.0%23.2%74.7%8.6%83.2%3.4%1.6%1.2M-66.3M-670.8K0.4421.4934,81915,219569,787219,735
2026-03-26$4.97$4.0083.0%23.8%68.0%9.4%86.4%2.2%3.5%840.0K-56.3M-658.6K0.2532.1736,6829,019579,732224,093
2026-03-27$4.72$4.0084.4%21.6%69.7%9.9%89.5%-3.4%24.4%319.8K-33.3M-619.5K0.7713.4348,27337,261581,600225,826
2026-03-30$4.46$4.0089.2%26.2%65.6%9.6%93.3%-3.0%2.4%-23.2K-27.7M-576.8K0.1716.0375,58913,038511,635209,241
2026-03-31$4.63$4.5085.6%24.5%67.4%4.6%86.7%7.5%9.4%596.0K-44.7M-606.2K0.1511.6157,3038,694546,191215,031