diff --git a/src/ClientContextInterface.php b/src/ClientContextInterface.php
index 6e921280..57089101 100644
--- a/src/ClientContextInterface.php
+++ b/src/ClientContextInterface.php
@@ -176,6 +176,7 @@ use Predis\Command\CommandInterface;
  * @method $this tdigestadd(string $key, float ...$value)
  * @method $this tdigestbyrank(string $key, int ...$rank)
  * @method $this tdigestbyrevrank(string $key, int ...$reverseRank)
+ * @method $this tdigestcdf(string $key, int ...$value)
  * @method $this tdigestcreate(string $key, int $compression = 0)
  * @method $this tdigestinfo(string $key)
  * @method $this zadd($key, array $membersAndScoresDictionary)
diff --git a/src/ClientInterface.php b/src/ClientInterface.php
index b7eb7ab8..134d3284 100644
--- a/src/ClientInterface.php
+++ b/src/ClientInterface.php
@@ -186,6 +186,7 @@ use Predis\Response\Status;
  * @method Status            tdigestadd(string $key, float ...$value)
  * @method array             tdigestbyrank(string $key, int ...$rank)
  * @method array             tdigestbyrevrank(string $key, int ...$reverseRank)
+ * @method array             tdigestcdf(string $key, int ...$value)
  * @method Status            tdigestcreate(string $key, int $compression = 0)
  * @method array             tdigestinfo(string $key)
  * @method string            xadd(string $key, array $dictionary, string $id = '*', array $options = null)
diff --git a/src/Command/Redis/TDigest/TDIGESTCDF.php b/src/Command/Redis/TDigest/TDIGESTCDF.php
new file mode 100644
index 00000000..42aaefb4
--- /dev/null
+++ b/src/Command/Redis/TDigest/TDIGESTCDF.php
@@ -0,0 +1,30 @@
+<?php
+
+/*
+ * This file is part of the Predis package.
+ *
+ * (c) 2009-2020 Daniele Alessandri
+ * (c) 2021-2023 Till Krüss
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Predis\Command\Redis\TDigest;
+
+use Predis\Command\Command as RedisCommand;
+
+/**
+ * @see https://redis.io/commands/tdigest.cdf/
+ *
+ * Returns, for each input value, an estimation of the fraction (floating-point)
+ * of (observations smaller than the given value + half
+ * the observations equal to the given value).
+ */
+class TDIGESTCDF extends RedisCommand
+{
+    public function getId()
+    {
+        return 'TDIGEST.CDF';
+    }
+}
diff --git a/tests/Predis/Command/Redis/TDigest/TDIGESTCDF_Test.php b/tests/Predis/Command/Redis/TDigest/TDIGESTCDF_Test.php
new file mode 100644
index 00000000..f1389854
--- /dev/null
+++ b/tests/Predis/Command/Redis/TDigest/TDIGESTCDF_Test.php
@@ -0,0 +1,93 @@
+<?php
+
+/*
+ * This file is part of the Predis package.
+ *
+ * (c) 2009-2020 Daniele Alessandri
+ * (c) 2021-2023 Till Krüss
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Predis\Command\Redis\TDigest;
+
+use Predis\Command\Redis\PredisCommandTestCase;
+use Predis\Response\ServerException;
+
+class TDIGESTCDF_Test extends PredisCommandTestCase
+{
+    /**
+     * {@inheritDoc}
+     */
+    protected function getExpectedCommand(): string
+    {
+        return TDIGESTCDF::class;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function getExpectedId(): string
+    {
+        return 'TDIGESTCDF';
+    }
+
+    /**
+     * @group disconnected
+     */
+    public function testFilterArguments(): void
+    {
+        $actualArguments = ['key', 1, 2, 3];
+        $expectedArguments = ['key', 1, 2, 3];
+
+        $command = $this->getCommand();
+        $command->setArguments($actualArguments);
+
+        $this->assertSameValues($expectedArguments, $command->getArguments());
+    }
+
+    /**
+     * @group disconnected
+     */
+    public function testParseResponse(): void
+    {
+        $this->assertSame(1, $this->getCommand()->parseResponse(1));
+    }
+
+    /**
+     * @group connected
+     * @return void
+     * @requiresRedisBfVersion >= 2.4.0
+     */
+    public function testReturnsValuesEstimatedForGivenRanks(): void
+    {
+        $redis = $this->getClient();
+        $expectedResponse = ['0', '0.083333333333333329', '0.33333333333333331', '0.75', '1'];
+
+        $redis->tdigestcreate('key');
+        $redis->tdigestcreate('empty_key');
+
+        $redis->tdigestadd('key', 1, 2, 2, 3, 3, 3);
+
+        $actualResponse = $redis->tdigestcdf('key', 0, 1, 2, 3, 4);
+
+        $this->assertSame($expectedResponse, $actualResponse);
+        $this->assertSame(['nan', 'nan'], $redis->tdigestcdf('empty_key', 0, 1));
+    }
+
+    /**
+     * @group connected
+     * @return void
+     * @requiresRedisBfVersion >= 2.4.0
+     */
+    public function testThrowsExceptionOnNonExistingTDigestSketch(): void
+    {
+        $redis = $this->getClient();
+
+        $this->expectException(ServerException::class);
+        $this->expectExceptionMessage('ERR T-Digest: key does not exist');
+
+        $redis->tdigestcdf('key', 1, 2, 3);
+    }
+}