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RePEcTrading, Microstructure & Execution

Filtering without Recursion and Some of Its Uses in Financial Economics

A new parallel filter removes price microstructure noise from high-frequency trade data without bias, producing flat volatility signatures down to one-second frequencies.

Featured in No. 136 on 23 Oct 2026 · 13 days after release

Filtered spot volatility for NVDA over 12 trading days in Oct 2024 (19.6M trades), the diurnally adjusted estimator
Figure 11: Filtered spot volatility for NVDA over 12 trading days in Oct 2024 (19.6M trades), the diurnally adjusted estimator ˆσ(u)100
Released
10 Oct 2026
First featured
No. 136 · 23 Oct 2026
Published in
Not yet, as far as Semantic Scholar knows
Fanfare
2 of 5
Identifier
RePEc:tin:wpaper:20260068
Authors
Simon Donker van Heel and Neil Shephard

Citations and venue from Semantic Scholar (ODC-BY), refreshed weekly. Summary: Quant Letter (CC BY 4.0).

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