[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"indicator-updaybool-ja":3},"# Up Day Bool (UPDAYBOOL)\n\n> StratCraft indicator page for a boolean up-day flag.\n\n**Route**: `\u002Findicators\u002Fupdaybool\u002F`\n\n## What It Does\n\nUPDAYBOOL returns a boolean-style signal that marks whether the current bar is an up day.\n\n## Formula\n\n`Up Day Bool = close > previous close`\n\n## Parameters\n\n- `period` - default `14`\n\n## C++23 API\n\n```cpp\n#include \u003Cnonabt\u002Findicators\u002Fupdaybool.hpp>\nauto upDayBool = std::make_unique\u003Cnonabt::UPDAYBOOL>(data().close(), 14);\n```\n\n## Common Usage\n\n- Use it when you only need direction, not magnitude.\n- Pair it with counting or aggregation logic.\n- Helpful for filter conditions and event flags.\n"]