How to Setup Special Price in Magento 2

<?php

namespace YourVendor\YourModule\Model;

use Exception;
use Magento\Catalog\Model\Product;
use Magento\Catalog\Api\SpecialPriceInterface;
use Magento\Catalog\Api\Data\SpecialPriceInterfaceFactory;
use Magento\Framework\Stdlib\DateTime\TimezoneInterface;

class UpdateSpecialPrice
{
    /**
     * @var SpecialPriceInterface
     */
    private $specialPrice;

    /**
     * @var SpecialPriceInterfaceFactory
     */
    private $specialPriceFactory;
    /**
     * @var TimezoneInterface
     */
    protected $timezone;

    /**
     * UpdateSpecialPrice constructor.
     * @param SpecialPriceInterface $specialPrice
     * @param SpecialPriceInterfaceFactory $specialPriceFactory
     * @param TimezoneInterface $timezone
     */
    public function __construct(
        SpecialPriceInterface $specialPrice,
        SpecialPriceInterfaceFactory $specialPriceFactory,
        TimezoneInterface $timezone
    )
    {
        $this->specialPrice = $specialPrice;
        $this->specialPriceFactory = $specialPriceFactory;
        $this->timezone = $timezone;
    }

    /**
     * @param Product $product
     * @return bool
     * @throws Exception
     */
    public function getSpecialPriceData(Product $product)
    {
        $sku = $product->getSku();
        $storeId = $product->getStoreId();
        $yourSpecialPrice = 10.99; //(float) Special price value
        try {
            $dateFrom = '2021-07-01'; // future date to current date
            $dateTo = '2021-07-25'; // future date to price from

            $specialPriceFrom = $this->timezone->date($dateFrom)->format(\Magento\Framework\Stdlib\DateTime::DATETIME_PHP_FORMAT); //(string) Special price from date value in Y-m-d H:i:s format in UTC
            $specialPriceTo = $this->timezone->date($dateTo)->format(\Magento\Framework\Stdlib\DateTime::DATETIME_PHP_FORMAT); //(string) Special price to date value in Y-m-d H:i:s format in UTC.

            $prices = $this->specialPriceFactory->create();
            $prices->setSku($sku)
                   ->setStoreId($storeId)
                   ->setPrice($yourSpecialPrice)
                   ->setPriceFrom($specialPriceFrom)
                   ->setPriceTo($specialPriceTo);

            $specialProduct = $this->specialPrice->update($prices);
        } catch (Exception $exception) {
            throw new Exception($exception->getMessage());
        }
        return $specialProduct;
    }
}