# Questions tagged [pnl]

P&L, or pnl, is a short hand for "profit and loss". which denote the balance sheet of a position in assets over a period of time.

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### PnL distribution standard deviation not decreasing with delta hedging? [closed]

I am trying to write a class in python that calculate the PnL loss while delta hedging an option. If I am not mistaken, the PnL distribution should center around the value of the option, and as more ...
49 views

### Where am I going wrong with the calculation of conitnuous PnL from delta hedging?

I am trying to work out the PnL of continuous delta hedging. I saw This link to an answer here, however, I obtained a different answer without resorting to Black Scholes, which I will outline below. ...
47 views

### PTP 10% Withholding [closed]

Apparently there's a new IRS rule that can be summarized as "starting January 1st, 2023, investors who are not U.S. taxpayers must withhold 10% of proceeds from the sale of PTPs (Publicly Traded ...
937 views

### Delta-hedging frequency directly affects PnL, and not just PnL smoothness and variance?

The information I have found about delta hedging frequency and (gamma) PnL on this site and numerous others all reiterate the same thing: that the frequency at which you delta-hedge only has an effect ... 1 vote
207 views

### Interest rate swap Profit and loss attribution

I am wondering how the IRS daily PnL will normally be attributed from trader's/market risk perspective. Will it be broken down into three parts daily carry (Daily interest accrual), daily roll-down (...
347 views

### How to calculate daily returns when the cumulative PnL can become negative?

I would like to know a way to compute returns when the total PnL of a strategy can become negative. For example: Total PnL day 1: 100 Total PnL on day 2: -20 Total PnL on day 3: 30 I have that kind of ...
1 vote
1k views

### FX Swap PnL and NPV

Suppose I have an existing FX Swap, suppose the spot leg is already settled, so only forward leg is left. Question: What will be the P&L for this instrument - only forward leg NPV or spot leg is ...
336 views

### compute Expected Shortfall / Conditional VaR from distribution

I want to compute the Expected Shortfall from a distribution of returns. I have no closed solution for my distribution of returns, so I wonder if I can simply compute ES by taking the mean of all the ...
1k views

### Explain daily P&L by risk factor for a portfolio of bonds and FX forwards

I was once an intern for a small bank with a portfolio mainly composed of gov. bonds, FX Forwards and time deposits. We used to report the daily P&L along with a P&L atributtion to each of the ...
1 vote
860 views

### Gamma PnL when hedging with implied volatility - where is the mark to market PnL?

It is well known that hedging with implied volatility involves a PnL: $0.5*(σ^{2}_r−σ^{2}_i)S^{2}*Γ_{i}dt$ In the Wilmott paper (http://web.math.ku.dk/~rolf/Wilmott_WhichFreeLunch.pdf), they imply ...
1 vote
4k views

### How to attribute daily options P&L between Greek sensitivities [duplicate]

When building a P&L attribution system for options, what is the market convention for attributing daily P&L between delta, gamma, vega, and theta Greeks? I'm particularly interested in how ...
369 views

### Calculating Rolling P&L of Trade Log

I have an extensive trade log of historical buy and sell orders and I am trying to calculate the running p&l of the trading results. Most rows represent partial fills where there is still a ...
1 vote
172 views

### Gamma PNL for Convertible Bond

so just trying to compute gamma PNL for some CB positions using Bloomberg data for delta/gamma. for a CB, BBG has delta 0.74 and Gamma 0.00524. if I want to compute the delta PNL and Gamma PNL for a ...
1 vote
484 views

### How to compute a portfolio PnL and Sharpe?

I understand this is quite the common question but I haven't been able to understand this concept through the previous posts. My situation is that each day, I'm interested in buying/selling one ...
1 vote
127 views

### Market maker hedging model

I understand that most market makers maintain non directionality i.e. they always aim to be perfectly hedged. So if they take a long position in X, they will take an offsetting short position in a ...
1k views

### Why using mid price to compute mark-to-market P&L if it is less accurate than using bid/offer price?

Why using mid price to compute mark-to-market P&L if it is less accurate than using bid/offer price? If spread is wide, mid is really not representative of what you would get by getting rid of ...
3k views

### Good references on PNL explain?

Can anyone share good references for how PNL explain should be calculated and presented for the best use of a derivatives trading desk?
223 views

### Using Taylor formula with logarithmic returns

I would like to calculate PnL scenarios for an FX portfolio using Taylor series approximation: \begin{align} \text{PnL} \approx \delta \Delta r + \frac{1}{2} (\Delta r)^2 \Gamma \end{align} I ...
1 vote
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### Structured Trade / Hedge consistency

I have a question regarding the marking consistency (from an accounting point of view) between bespoke structured trades and the listed instruments that may be used for their hedging purpose: Since ...
2k views

### How to determine what's driving the VaR?

I am given the following data: Historical (260 days) P&L vector of a portfolio. Specific P&L's for each investment in the portfolio, for the 10 days with the lowest P&L. The question ...
178 views

### Continuous Percentage Profit and Loss calculation

I need to calculate a profit and loss for an equity timeseries. The position size (column D in the below table) is not binary (not moving from zero position to a position and then back to zero ...
1 vote
378 views