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# System prepended metadata

title: Block Bidding Market Structure Analysis

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# Block Bidding Market Structure Analysis

The question is not only "when in the slot is the winning bid submitted" but more so

## Intro

Let's zoom into the part of the MEV supplychain in between builders proposers by examining blocks sent to relays and some related data.

![](https://hackmd.io/_uploads/H1mhTr-Z3.png)


## Interesting Slots

**Equal information reveal across slot**
![](https://hackmd.io/_uploads/rkiO5-ql2.png)

**2 strata segmented slot**
![](https://hackmd.io/_uploads/HkvKo-qen.png)

**Cross domain influenced slot (?)**
![](https://hackmd.io/_uploads/HyIy2Wqe3.png)



**7.5Eth Builder Profit**
![](https://hackmd.io/_uploads/Bkr-7qlZ2.png)

What is interesting in this [slot](https://beaconcha.in/block/16902195) is that the validator lost 7.5Eth solely because the sender of the bundle submitted towards the end of the slot. If this was the beginning of the slot then the bulk of the coinbase transfer would have gone to the validator.

![](https://hackmd.io/_uploads/rkFIV9eW3.png)




## CEX DEX Influence ?

![](https://hackmd.io/_uploads/rJb43zZbh.png)

![](https://hackmd.io/_uploads/BJSFhzb-2.png)


Background for this day, the above slots come from this point in the depeg event:
![](https://hackmd.io/_uploads/r1DdTEb-2.png)
