Issues

• [Bug] asof date is wrong

  Open-Lemma/options-implied-probability#102 · Filter by author ngist opened on Aug 9, 2026

• Fix flaky Linux golden-master regression

  Open-Lemma/options-implied-probability#101 · Filter by author tyrneh opened on Apr 28, 2026

• Investigate central-mass CDF validation to avoid far-tail false failures

  Open-Lemma/options-implied-probability#100 · Filter by author tyrneh opened on Apr 28, 2026

• Consider deprecating grid_points on lazy probability constructors

  Open-Lemma/options-implied-probability#98 · Filter by author tyrneh opened on Apr 28, 2026

• Older BS path still has surface and probability consistency bugs

  Bug

  Open-Lemma/options-implied-probability#89 · Filter by author tyrneh opened on Apr 12, 2026

• Timezone-aware timestamps are normalized internally but displayed ambiguously

  Bug

  Open-Lemma/options-implied-probability#88 · Filter by author tyrneh opened on Apr 12, 2026

• Add support for American-style options (early exercise)

  enhancement
  Open-Lemma/options-implied-probability#85 · Filter by author tyrneh opened on Mar 1, 2026
  

• Implement conversion from risk-neutral to real-world probability

  enhancement
  Open-Lemma/options-implied-probability#84 · Filter by author tyrneh opened on Mar 1, 2026
  

• Decimal prices labels are incorrectly shown

  bug
  Open-Lemma/options-implied-probability#73 · Filter by author anutkk opened on Oct 28, 2025
  1

• Think about how to evaluate model performance

  enhancement
  Open-Lemma/options-implied-probability#9 · Filter by author tyrneh opened on Oct 28, 2022
  1

• Future feature: generating IV smile using delta instead of strike price

  enhancement
  Open-Lemma/options-implied-probability#5 · Filter by author tyrneh opened on Oct 26, 2022