Down Day Bool (DOWNDAYBOOL)

QuantNexus indicator page for DOWNDAYBOOL.

Route: /quantnexus/indicators/downdaybool/

What It Does

DOWNDAYBOOL returns a boolean-style result showing whether the current bar is a down day. It is a simple helper for rule logic.

Formula

Down Day Bool = true when Close < Previous Close

Parameters

• period - default 14

C++23 API

#include <nonabt/indicators/downdaybool.hpp>
auto downdaybool = std::make_unique<nonabt::DOWNDAYBOOL>(data(), 14);

Common Usage

• Use it as a filter for bearish days.
• Combine with trend or volume conditions.
• Good for quick count-based logic.

Practical Pattern

DOWNDAYBOOL is most useful as a building block in custom multi-condition systems.