Academy notes
Articles and updates from SoloQuant Academy.
Weeknight listicle: vollib (Black/IV/greeks), svi-py 0.5.0 (30 Aug 2026, SVI family + SABR), volsurface (typed Raw SVI/SSVI), QuantLib 1.43 (14 Jul 2026), py_vollib_vectorized. pip plus a synthetic-IV sketch. Not a ranking contest. Not trading or investment advice.
NumPy 2.5.0 (21 Jun 2026) is a transitional release: Python 3.12–3.14, distutils gone, array-API descending sorts on np.sort / np.argsort. Follow-ups 2.5.1 (4 Jul) and 2.5.2 (9 Aug 2026). NaNs still sort to the end. Three things to try tonight. Not investment advice.
scikit-learn 1.9.0 (2 Jun 2026, jeremiedbb) adds narwhals (>=2.0.1) so pandas and Polars set_output share one path after __dataframe__ deprecation. Experimental callbacks (ProgressBar, ScoringMonitor). Not a LightGBM/XGBoost roundup. Three things to try tonight. Not investment advice.
scikit-learn 1.9.0 (2 Jun 2026, jeremiedbb) adds narwhals (>=2.0.1) so pandas and Polars set_output share one path after __dataframe__ deprecation. Experimental callbacks (ProgressBar, ScoringMonitor). Not a LightGBM/XGBoost roundup. Three things to try tonight. Not investment advice.
Apache Arrow 25.0.0 (10 Jul 2026) plus patch 25.0.1 (10 Aug 2026). Bloom filters fold to the configured FPP, hypot, per-key NULLS FIRST/LAST, ListView in Parquet. 25.0.1: to_pylist without per-element Scalars, SVE unpack fix, Feather deprecation narrowed to V1. Three things to try tonight. Not investment advice.
Plotly.py v7.0.0 (25 Aug 2026) bundles Plotly.js 4 and removes Mapbox traces (scattermapbox, choroplethmapbox, densitymapbox, layout.mapbox, mapboxAccessToken) in favour of MapLibre *map. Notebook: px.scatter_mapbox → px.scatter_map. Also gone: old Figure Factories, Kaleido <1, Orca. Upgrade checklist. Not investment advice.
Weeknight listicle: SEC companyfacts bulk ZIP (nightly ~3am ET), SEC Financial Statement Data Sets 2026 Q2 ZIP, EdgarTools, pitedgar, optional Kaggle CSV. Download → Polars/pandas → a ratio screen. Not a yfinance vs Polygon bake-off. Not investment advice.
A weeknight listicle: Riskfolio-Lib 7.3.0 (31 May 2026, Entropy Pooling + MVSK), PyPortfolioOpt risk_models, arch GARCH, cvxpy, and statsmodels/scipy. pip plus a CVaR / HRP / vol sketch. Not FinRL, not vectorbt/Nautilus/Lean, not a ranking contest. Not investment advice.
SciPy 1.18.0 (19 Jun 2026) adds scipy.signal.whittaker_henderson (HP-like at penalty order 2) and broader Array API / JAX stats. 1.18.1 (21 Aug 2026) is the first PyPI release with Python 3.15 binaries. Upgrade tonight? Not investment advice.
SciPy 1.18.0 (19 Jun 2026) adds scipy.signal.whittaker_henderson (HP-like at penalty order 2) and broader Array API / JAX stats. 1.18.1 (21 Aug 2026) is the first PyPI release with Python 3.15 binaries. Upgrade tonight? Not investment advice.
Polars 1.44 (26 Aug 2026, Thijs Nieuwdorp) adds sink_iceberg schema_mode=merge, an adaptive S3/GCS/Azure rate limiter, correlated SQL subqueries, and selective when/then speedups. Three things to try tonight. Not a pandas bake-off. Not investment advice.
Polars 1.44 (26 Aug 2026, Thijs Nieuwdorp) adds sink_iceberg schema_mode=merge, an adaptive S3/GCS/Azure rate limiter, correlated SQL subqueries, and selective when/then speedups. Three things to try tonight. Not a pandas bake-off. Not investment advice.
