Monitoring - The Administrator reports the occurrence of a Calculation Failure for the index listed below.
Full Index Name: CF UMA-Dollar Spot Rate
Ticker: UMAUSD_RTI
Date: 31-July-2026
The calculation failure occurred because all Constituent Exchanges were continuing to breach the Potentially Erroneous Data Parameter. Publication will resume once the Constituent Exchanges realign.
The occurrence of any Index Price calculation failure is reported to an applicable Oversight Organ.
Questions or queries regarding this process and decision should be directed to info@cfbenchmarks.com.
Any complaints regarding this process and decision can be made confidentially by writing to complaints@cfbenchmarks.com.
Jul 31, 2026 - 17:35 BST
We will be undergoing scheduled maintenance during this time. We do not expect any downtime. Websockets may be disconnected with immediate reconnection during the deployment period. Posted on
Aug 03, 2026 - 20:37 BST
Completed -
The scheduled maintenance has been completed.
Aug 4, 11:19 BST
In progress -
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 4, 10:15 BST
Scheduled -
We will be undergoing scheduled maintenance during this time. We do not expect any downtime. Websockets may be disconnected with immediate reconnection during the deployment period.
Aug 3, 14:56 BST
Completed -
The scheduled maintenance has been completed.
Aug 3, 17:50 BST
In progress -
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 3, 16:20 BST
Scheduled -
At this time, a scheduled update to the CF Benchmarks system will begin. We will be implementing a new monitoring forwarder in the production clusters.
Should index users have any question or queries regarding this announcement please contact info@cfbenchmarks.com
Aug 3, 15:30 BST
Resolved -
The Administrator reports the occurrence of a Calculation Failure for the index listed below.
Full Index Name: CF Rarible-Dollar Settlement Price
Ticker: RARIUSD_RR
Date: 2nd August 2026
In accordance with the Administrators Contingency Calculation Rules the Index Price for that Calculation Day is given by the Index Price for the previous Calculation Day Saturday 1st August 2026
The occurrence of any Index Price calculation failure is reported to an applicable Oversight Organ.
Questions or queries regarding this process and decision should be directed to info@cfbenchmarks.com.
Any complaints regarding this process and decision can be made confidentially by writing to complaints@cfbenchmarks.com.
Aug 2, 16:14 BST
Investigating -
The Administrator is currently working on resolving delayed publication of the CF Rarible-Dollar Settlement Price.
Full Index Name: CF Rarible-Dollar Settlement Price
Ticker: RARIUSD_RR
Date: 2nd August 2026
Delayed Publication (INVESTIGATING)
Questions or queries regarding this process and decision should be directed to info@cfbenchmarks.com.
Complaints regarding this process and decision may be made confidentially by writing to complaints@cfbenchmarks.com.
Aug 2, 16:09 BST
Resolved -
This incident has been resolved.
Jul 31, 14:16 BST
Identified -
The Issue has been identified as poor market conditions.
Low Liquidity has led to large spreads and infrequently updated order books on constituent exchanges, causing the calculation failures.
The Index UMAUSD_RTI is currently printing however the administrator is still observing poor market conditions. Hence this Incident will remain open until market conditions settle or a long term solution is reached.
Jul 31, 11:04 BST
Investigating -
The Administrator reports the occurrence of a Calculation Failure for the index listed below.
Full Index Name: CF UMA-Dollar Spot Rate
Ticker: UMAUSD_RTI
Date: 31-July-2026
The occurrence of any Index Price calculation failure is reported to an applicable Oversight Organ.
Questions or queries regarding this process and decision should be directed to info@cfbenchmarks.com.
Any complaints regarding this process and decision can be made confidentially by writing to complaints@cfbenchmarks.com.
Jul 31, 10:14 BST
Resolved -
This incident has been resolved.
Jul 31, 02:00 BST
Investigating -
The Administrator reports the occurrence of a Calculation Failure for the index listed below.
Full Index Name: CF UMA-Dollar Spot Rate
Ticker: UMAUSD_RTI
Date: 2026-07-31
In accordance with the Administrators Contingency Calculation Rules the Index Price for that Calculation Day will not be recalculated for the period of missing values.
The occurrence of any Index Price calculation failure is reported to an applicable Oversight Organ.
Questions or queries regarding this process and decision should be directed to info@cfbenchmarks.com.
Any complaints regarding this process and decision can be made
Jul 31, 01:59 BST
Resolved -
The Administrator reports the occurrence of a Calculation Failure for the index listed below.
Full Index Name: CF Rarible-Dollar Settlement Price
Index Ticker: RARIUSD_RR
Date: 28th July 2026
In accordance with the Administrators Contingency Calculation Rules the Index Price for that Calculation Day is given by the Index Price for the previous Calculation Day: Monday, July 27th, 2026.
The occurrence of any Index Price calculation failure is reported to an applicable Oversight Organ.
Questions or queries regarding this process and decision should be directed to info@cfbenchmarks.com.
Any complaints regarding this process and decision can be made confidentially by writing to complaints@cfbenchmarks.com.
Jul 28, 16:27 BST
Investigating -
The Administrator is currently working on resolving delayed publication of the CF Rarible-Dollar Settlement Price
Full Index Name: CF Rarible-Dollar Settlement Price
Index Ticker: RARIUSD_RR
Date: 28th July 2026
Delayed Publication (INVESTIGATING)
Questions or queries regarding this process and decision should be directed to info@cfbenchmarks.com.
Complaints regarding this process and decision may be made confidentially by writing to complaints@cfbenchmarks.com.
Jul 28, 16:09 BST
Completed -
The scheduled maintenance has been completed.
Jul 27, 12:53 BST
In progress -
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jul 27, 10:00 BST
Scheduled -
We will be undergoing scheduled maintenance during this time. We do not expect any downtime. Websockets may be disconnected with immediate reconnection during the deployment period.
Jul 20, 20:54 BST
Resolved -
The Administrator reports the occurrence of a Calculation Failure for the index listed below.
Full Index Name: CF Rarible-Dollar Settlement Price
Ticker: RARIUSD_RR
Date: 26-July-2026 at 16:00:00 London Time
In accordance with the Administrators Contingency Calculation Rules the Index Price for that Calculation Day is given by the Index Price for the previous Calculation Day Saturday, July 25th, 2026.
The occurrence of any Index Price calculation failure is reported to an applicable Oversight Organ.
Questions or queries regarding this process and decision should be directed to info@cfbenchmarks.com.
Any complaints regarding this process and decision can be made confidentially by writing to complaints@cfbenchmarks.com.
Jul 26, 16:59 BST
Investigating -
Full Index Name: CF Rarible-Dollar Settlement Price
Ticker: RARIUSD_RR
Date & Time: 26-July-2026 at 16:00:00 London Time
The Administrator is investigating the delayed calculation and publication of the Index.
Questions or queries regarding this process and decision should be directed to info@cfbenchmarks.com.
Complaints regarding this process and decision may be made confidentially by writing to complaints@cfbenchmarks.com.
Jul 26, 16:28 BST
