---
title: "Direction & Period enums — Trading Analytics for Laravel | Roundly"
description: "The buy/sell Direction and daily/weekly/monthly Period enums, their domain methods and the shared select and validation helpers."
url: https://roundly-consulting.com/open-source/docs/trading-analytics-for-laravel/enums
language: en
---

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# Direction & Period enums

Two string-backed enums: Direction (BUY = buy, SELL = sell) and Period (DAILY, WEEKLY, MONTHLY). Their domain methods:

```php
use Illuminate\Support\Carbon;
use RoundlyConsulting\TradingAnalytics\Enums\Direction;
use RoundlyConsulting\TradingAnalytics\Enums\Period;

Direction::BUY->isBuy();     // true
Direction::SELL->isSell();   // true
Direction::from('sell');     // Direction::SELL

Period::DAILY->bucketFor(Carbon::parse('2024-03-05'));   // '2024-03-05'
Period::WEEKLY->bucketFor(Carbon::parse('2024-03-05'));  // '2024-W10'
Period::MONTHLY->bucketFor(Carbon::parse('2024-03-05')); // '2024-03'
```

bucketFor() reads the moment in the default timezone — the app timezone in Laravel — so one instant written with two offsets (+00:00 and -05:00) lands in one bucket.

## Select and validation helpers

Both enums adopt the shared helper toolkit from enums-for-laravel, so they expose a full select/validation surface out of the box. Labels go through Laravel’s translator:

```php
Direction::validationRule();   // "in:buy,sell"
Period::validationRule();      // "in:daily,weekly,monthly"

Period::toOptions()->all();    // ['daily' => 'Daily', 'weekly' => 'Weekly', 'monthly' => 'Monthly']
Direction::options();          // Collection<EnumOption{value,label,name}> for JS/Inertia selects
Period::labels()->all();       // ['Daily', 'Weekly', 'Monthly']
Period::values()->all();       // ['daily', 'weekly', 'monthly']
```

For example, to let users choose the reporting period:

```php
$validated = $request->validate([
    'period' => ['nullable', Period::validationRule()],
]);

$analytics = TradingAnalytics::for($trades)
    ->usingWinRatePeriod(Period::from($validated['period'] ?? 'daily'))
    ->calculate();
```

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