> For the complete documentation index, see [llms.txt](https://docs.sportradar.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sportradar.com/mts/features/delta-offer.md).

# Delta Offer

Delta offer is a replica of client's events, markets and odds stored in MTS system and used in validation of bets coming from the bookmaker's channels. Instead of relying on MTS global feed and global fair odds validation, with delta offer client can benefit from more accurate odds validation through [alternative odds](/mts/features/alternative-odds.md) feature, and gain access to liability driven odds, CTRL's early odds feature, customer specific settlements, manual odds adjustment, and more.

Pre-requisites for delta offer activation are:

* The client has an active subscription to at least one Unified Odds Feed package,
* The client is using a node ID in their recovery requests and the node ID is always a positive integer value,
* Feed probabilities have to be enabled for all active producers.

{% hint style="info" %}
**Note**

Please note that even with the delta offer, MTS maintains a maximum allowable deviation from the global fair odds. Any ticket exceeding this limit will be rejected. Currently, the deviation tolerance is set to 50% above the global fair net odds.
{% endhint %}


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