Maybe/app/views/account/trades/_form.html.erb

<%# locals: (entry:) %>

<% type = params[:type] || "buy" %>

<%= styled_form_with model: entry, url: account_trades_path, data: { controller: "trade-form" } do |form| %>

  <%= form.hidden_field :account_id %>

  <div class="space-y-4">
    <% if entry.errors.any? %>
      <%= render "shared/form_errors", model: entry %>
    <% end %>

    <div class="space-y-2">
      <%= form.select :type, [
          ["Buy", "buy"],
          ["Sell", "sell"],
          ["Deposit", "deposit"],
          ["Withdrawal", "withdrawal"],
          ["Interest", "interest"]
      ],
      { label: t(".type"), selected: type },
      { data: {
          action: "trade-form#changeType",
          trade_form_url_param: new_account_trade_path(account_id: entry.account_id),
          trade_form_key_param: "type",
        }} %>

      <% if %w[buy sell].include?(type) %>
        <div class="form-field combobox">
          <%= form.combobox :ticker, securities_path(country_code: Current.family.country), label: t(".holding"), placeholder: t(".ticker_placeholder"), required: true %>
        </div>
      <% end %>

      <%= form.date_field :date, label: true, value: Date.today, required: true %>

      <% unless %w[buy sell].include?(type) %>
        <%= form.money_field :amount, label: t(".amount"), required: true %>
      <% end %>

      <% if %w[deposit withdrawal].include?(type) %>
        <%= form.collection_select :transfer_account_id, Current.family.accounts.alphabetically, :id, :name, { prompt: t(".account_prompt"), label: t(".account") } %>
      <% end %>

      <% if %w[buy sell].include?(type) %>
        <%= form.number_field :qty, label: t(".qty"), placeholder: "10", min: 0.000000000000000001, step: "any", required: true %>
        <%= form.money_field :price, label: t(".price"), required: true %>
      <% end %>
    </div>

    <%= form.submit t(".submit") %>
  </div>
<% end %>