Market unit=contracts (default) unit=currency Leverage used in calculation?
Binance Futures (USDT) BTC / coins USD yes / both
Binance Perpetual (COIN) contracts (=USD/100, see contract) USD yes / both
BitMEX contracts (=USD, see contract) BTC (XBT) only for u=currency
Bybit Linear (USDT) BTC / coins USD only for u=currency
Bybit Inverse (USD) contracts (=USD) BTC / coins only for u=currency
Deribit Futures contracts (=USD) BTC / coins only for u=currency
Deribit Options BTC / coins n/a only for u=currency
FTX BTC / coins USD yes / both
Kraken Futures contracts (=USD) BTC / coins yes / both
KuCoin Quanto (USDTM) lot (=BTC/1000, see contract) USD yes / both
KuCoin Inverse (USDM) lot (=USD) BTC / coins yes / both
OANDA market units USD * yes / both

* if conversion possible

Attention

Will be updated soon to cover more exchanges / markets