---
title: "nseopen"
output: rmarkdown::html_vignette
vignette: >
  %\VignetteIndexEntry{nseopen}
  %\VignetteEngine{knitr::rmarkdown}
  %\VignetteEncoding{UTF-8}
---

```{r, include = FALSE}
knitr::opts_chunk$set(
  collapse = TRUE,
  comment = "#>"
)
```

## Introduction 

NSE pre market open data. Pre market is from 09.00 hrs to 09.08 hrs (IST). The function returns a dataframe of pre open market and message with number of advances and declines. 
``` r
# For Nifty 50 stocks
library(nser)
nseopen()

# For F&O stocks 
library(nser)
nseopen("fo")
```