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Battle Royale Scoring System

FTX Crypto Derivatives Exchange
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This is an article on how PnL is calculated for the Battle Royale trading competition.

 

Traders

Traders in Battle Royale will be judged on their Cumulative PnL / Max Investment for the week.

 

Details

Cumulative PnL = Sum(Snapshotted PnL over all snapshots that week)

Max investment = Max(Max(Snapshotted Investment over all snapshots that week), $200)

Account value = Balances and unrealized PnL

Snapshotted PnL = (change in account value - deposits + withdrawals) since previous snapshot, marked to fair at time of snapshot.

  • If it’s the first snapshot of the week, Snapshotted PnL = 0

Snapshotted Investment = Previous snapshot’s Investment + max((Deposits - Withdrawals) marked to fair at the time of the snapshot)

  • If it’s the first snapshot of the week, Snapshotted Investment = Account value marked to fair at time of snapshot

 

Notes

  1. If you deposit funds and don't use them, they will still count towards your investment.
  2. We snapshot PnL and Investment every minute
  3. This means that if you deposit less than $200, the PnL formula will treat you as if you had deposited $200.

 

 

Stakers

Stakers in Battle Royale will be judged on the performance of the traders they stake.  Their score will be:

Sum(Staked FTT * Staked account's ROI for that hour across each person you staked) / sqrt(total FTT you staked that hour) over all snapshots during the week.

 

Details

For instance, say you did the following for an hour:

mceclip0.png

Then your score for that hour would be:

[10% * 100 + 1% * 200 + (-5%) * 120] * sqrt (420)/420≈0.29277

You would then add up your score for every hour of the competition.

 

 

Popularity Score

A trader's popularity score is sum(sqrt(FTT staked by a specific staker that hour) across all stakers) across all hours that week.

 

Details

For instance, if you had one person stake 100 FTT, another stake 1000 FTT, and a third stake 10000 FTT, your score would be: sqrt(100)+ sqrt(1000)+ sqrt(10000) = 141.62.

You would then add your score up for every hour of the competition.

 

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