Deribit · Schema
Delta Total
The sum of position deltas. **DeltaTotal = Net Transaction Delta of options + BTC Position of Futures** The DeltaTotal uses the Net Transaction Delta (or price adjusted Delta) of the options, where Net Transaction Delta = Black Scholes Delta - Mark Price of Options. This is because, from a risk perspective, we are interested in the change in Bitcoin price as the underlying changes. You should actually treat your delta as **Equity + Delta Total** if you want to have less risk for your USD PnL. ⚠️ **During the 30 minute settlement period we decay your Delta.** See [Delta decay during settlement](https://support.deribit.com/hc/en-us/articles/25944751433757-Delta-decay-during-settlement) for more details.
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