Function create_sample_position 

pub fn create_sample_position(
    option_style: OptionStyle,
    side: Side,
    underlying_price: Positive,
    quantity: Positive,
    strike_price: Positive,
    implied_volatility: Positive,
) -> Position

Creates a sample position for testing and demonstration purposes.

This function generates a Position instance with predefined values for some fields while allowing customization of key option parameters. It’s useful for creating test scenarios, examples, or sample data for option position analysis.

Parameters

• option_style - The style of the option (Call or Put)
• side - Whether the position is Long or Short
• underlying_price - The current price of the underlying asset
• quantity - The number of option contracts in the position
• strike_price - The price at which the option can be exercised
• implied_volatility - The market’s forecast of likely movement in the underlying asset

Returns

A Position instance with the specified parameters and these default values:

• European-style option
• “AAPL” as the underlying symbol
• 30-day expiration
• 5% risk-free rate
• 1% dividend yield
• Premium of $5.00
• Open and close fees of $0.50 each
• Current date and time

Example

use optionstratlib_core::model::utils::create_sample_position;
use optionstratlib_core::model::{OptionStyle, Side};
use positive::{pos_or_panic, Positive};
let sample_call = create_sample_position(
    OptionStyle::Call,
    Side::Long,
    pos_or_panic!(150.0),  // underlying price
    Positive::ONE,    // quantity
    pos_or_panic!(155.0),  // strike price
    pos_or_panic!(0.25)    // implied volatility
);