<informationTable xmlns="http://www.sec.gov/edgar/document/thirteenf/informationtable" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <infoTable>
       <nameOfIssuer>ACXIOM CORP</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>005125109</cusip>
       <value>2007</value>
       <shrsOrPrnAmt>
           <sshPrnamt>95922</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
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       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>2007</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>ALPHABET INC</nameOfIssuer>
       <titleOfClass>CAP STK CL A</titleOfClass>
       <cusip>02079K305</cusip>
       <value>2197</value>
       <shrsOrPrnAmt>
           <sshPrnamt>2824</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>2197</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>AMSURG CORP</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>03232P405</cusip>
       <value>1609</value>
       <shrsOrPrnAmt>
           <sshPrnamt>21176</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>1609</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>ANTHEM INC</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>036752103</cusip>
       <value>2154</value>
       <shrsOrPrnAmt>
           <sshPrnamt>15445</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>2154</Sole>
           <Shared>0</Shared>
           <None>0</None>
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   <infoTable>
       <nameOfIssuer>ASSURED GUARANTY LTD</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>G0585R106</cusip>
       <value>1339</value>
       <shrsOrPrnAmt>
           <sshPrnamt>50666</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>1339</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>BANK AMER CORP</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>060505104</cusip>
       <value>922</value>
       <shrsOrPrnAmt>
           <sshPrnamt>54754</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>922</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>BLACKHAWK NETWORK HLDGS</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>09238E104</cusip>
       <value>1594</value>
       <shrsOrPrnAmt>
           <sshPrnamt>36057</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>1594</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>CITIGROUP INC</nameOfIssuer>
       <titleOfClass>COM NEW</titleOfClass>
       <cusip>172967424</cusip>
       <value>934</value>
       <shrsOrPrnAmt>
           <sshPrnamt>18040</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>934</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>DOLBY LABORATORIES INC</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>25659T107</cusip>
       <value>1558</value>
       <shrsOrPrnAmt>
           <sshPrnamt>46292</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>1558</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>INTEGRATED DEVICE TECHNOLOGY</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>458118106</cusip>
       <value>1882</value>
       <shrsOrPrnAmt>
           <sshPrnamt>71440</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>1882</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>INTERXION HOLDING N.V.</nameOfIssuer>
       <titleOfClass>SHS</titleOfClass>
       <cusip>N47279109</cusip>
       <value>1351</value>
       <shrsOrPrnAmt>
           <sshPrnamt>44808</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>1351</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>JPMORGAN CHASE &amp; CO</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>46625H100</cusip>
       <value>939</value>
       <shrsOrPrnAmt>
           <sshPrnamt>14228</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>939</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>LEVEL 3 COMMUNICATIONS INC</nameOfIssuer>
       <titleOfClass>COM NEW</titleOfClass>
       <cusip>52729N308</cusip>
       <value>1630</value>
       <shrsOrPrnAmt>
           <sshPrnamt>29979</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>1630</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>LIBERTY GLOBAL PLC</nameOfIssuer>
       <titleOfClass>SHS CL C</titleOfClass>
       <cusip>G5480U120</cusip>
       <value>1753</value>
       <shrsOrPrnAmt>
           <sshPrnamt>43002</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>1753</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>MCDONALDS CORP</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>580135101</cusip>
       <value>1079</value>
       <shrsOrPrnAmt>
           <sshPrnamt>9134</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>1079</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>MFA FINL INC</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>55272X102</cusip>
       <value>1055</value>
       <shrsOrPrnAmt>
           <sshPrnamt>159804</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>1055</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>MICROSOFT CORP</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>594918104</cusip>
       <value>2157</value>
       <shrsOrPrnAmt>
           <sshPrnamt>38877</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>2157</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>NIELSEN HLDGS PLC</nameOfIssuer>
       <titleOfClass>SHS EUR</titleOfClass>
       <cusip>G6518L108</cusip>
       <value>2171</value>
       <shrsOrPrnAmt>
           <sshPrnamt>46579</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>2171</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>REALOGY HLDGS CORP</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>75605Y106</cusip>
       <value>936</value>
       <shrsOrPrnAmt>
           <sshPrnamt>25528</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>936</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>SONIC AUTOMOTIVE INC</nameOfIssuer>
       <titleOfClass>CL A</titleOfClass>
       <cusip>83545G102</cusip>
       <value>1060</value>
       <shrsOrPrnAmt>
           <sshPrnamt>46570</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>1060</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
</informationTable>
