<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a19cdc-7c87-7b31-afb4-dbeaa7312462,g:2da9ef0f-8b53-409d-8746-26d17e876eda-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.optimum.com/role/CoverpageDocument" xlink:type="simple" xlink:href="optu-20261028.xsd#CoverpageDocument"/>
  <link:presentationLink xlink:role="http://www.optimum.com/role/CoverpageDocument" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_01a19cdc-7c88-78c2-ba05-f27bcff5b35a" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_DocumentType_01a19cdc-7c88-78c2-ba05-f27bcff5b35a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_01a19cdc-7c88-7583-8e83-5e59b3e495f2" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_DocumentPeriodEndDate_01a19cdc-7c88-7583-8e83-5e59b3e495f2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_01a19cdc-7c88-7993-a628-0844748bd191" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_EntityRegistrantName_01a19cdc-7c88-7993-a628-0844748bd191" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_01a19cdc-7c88-7332-9bf6-1a207efc03f3" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_EntityIncorporationStateCountryCode_01a19cdc-7c88-7332-9bf6-1a207efc03f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_01a19cdc-7c88-780b-a788-78072065f4d5" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_EntityFileNumber_01a19cdc-7c88-780b-a788-78072065f4d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_01a19cdc-7c88-744f-822d-ddb8bfe9896e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_EntityTaxIdentificationNumber_01a19cdc-7c88-744f-822d-ddb8bfe9896e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_01a19cdc-7c88-764d-a4cd-4343c5277c53" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_EntityAddressAddressLine1_01a19cdc-7c88-764d-a4cd-4343c5277c53" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_01a19cdc-7c88-78d1-bf71-98bf711daaf7" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_EntityAddressCityOrTown_01a19cdc-7c88-78d1-bf71-98bf711daaf7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_01a19cdc-7c88-7368-8399-cc0c067b1926" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_EntityAddressStateOrProvince_01a19cdc-7c88-7368-8399-cc0c067b1926" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_01a19cdc-7c88-77b7-bf72-6dfb2f7bb10d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_EntityAddressPostalZipCode_01a19cdc-7c88-77b7-bf72-6dfb2f7bb10d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_01a19cdc-7c88-7358-879e-9464c75d79c5" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_CityAreaCode_01a19cdc-7c88-7358-879e-9464c75d79c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_01a19cdc-7c88-7742-8e48-1f4514d9d08a" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_LocalPhoneNumber_01a19cdc-7c88-7742-8e48-1f4514d9d08a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_01a19cdc-7c88-7198-acb8-5acf8fd2b2c3" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_WrittenCommunications_01a19cdc-7c88-7198-acb8-5acf8fd2b2c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_01a19cdc-7c88-7ee8-a046-4a14addc37fd" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_SolicitingMaterial_01a19cdc-7c88-7ee8-a046-4a14addc37fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_01a19cdc-7c88-73ff-b3f0-d13e0489e3cf" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_PreCommencementTenderOffer_01a19cdc-7c88-73ff-b3f0-d13e0489e3cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_01a19cdc-7c88-7ee9-b51b-b0baee044cac" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_01a19cdc-7c88-7ee9-b51b-b0baee044cac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_01a19cdc-7c88-7901-beff-82bcda4b7918" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_Security12bTitle_01a19cdc-7c88-7901-beff-82bcda4b7918" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_01a19cdc-7c88-7461-a0ab-d00835fb76ca" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_TradingSymbol_01a19cdc-7c88-7461-a0ab-d00835fb76ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_01a19cdc-7c88-7a72-a5f5-7da82b78de5e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_SecurityExchangeName_01a19cdc-7c88-7a72-a5f5-7da82b78de5e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_01a19cdc-7c88-72b1-849b-41d39b8b2a59" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_EntityCentralIndexKey_01a19cdc-7c88-72b1-849b-41d39b8b2a59" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_01a19cdc-7c88-7ffa-890d-497dc2c93ee7" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_AmendmentFlag_01a19cdc-7c88-7ffa-890d-497dc2c93ee7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_01a19cdc-7c88-78db-95c8-c6901a02ead1" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a19cdc-7c88-7d5f-b877-dc9a764015a3" xlink:to="loc_dei_EntityEmergingGrowthCompany_01a19cdc-7c88-78db-95c8-c6901a02ead1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
