01 / Research in progress
How much of the depth visible now is still there when an order might arrive?
My contribution Built the research pipeline connecting public-feed reconstruction, conservative depth accounting, point-in-time features, and chronological evaluation.
Research / Quant / Software Private implementation · public overview
Read the case study ↗ OBSERVE / t₀ REVISIT / t₀ + h HORIZON Initial depth at fixed prices The initial cohort, later The arrival question Conceptual illustration 02 / Maintained software
When should independent pricing methods agree, and how do I test the disagreement?
My contribution Implemented a C++20 pricing library, command-line validation harness, and numerical consistency tests.
Quant / Software Public source and implementation
Read the case study ↗ K = 100 S = 60 S = 140 EUROPEAN CALL / VOLATILITY 10 · 20 · 40% European call price Analytic illustration · r = 5% · T = 1 · q = 0 03 / Completed study
What changes when a hedge ratio is estimated as observations arrive rather than held fixed?
My contribution Implemented the adaptive estimator, position accounting, historical selection procedure, and numerical checks.
Quant / Research / Software Private implementation · public overview
Read the case study ↗ OBSERVE Two ETF prices ESTIMATE Online state EVALUATE Later window UPDATE AS DATA ARRIVES GDX / GLD EWA / EWC Sequential estimation and evaluation Conceptual illustration