# Note 3. PMS. Options Chain.

54. Filtering field for positions by the expiration date parameter of the option contract.
55. Filtering field for positions by the Strike Price parameter.
56. Filtering field for positions by the Side Type parameter. Here, you can choose to view all positions, only LONG (BUY) positions, or only SHORT (SELL) positions.
57. Position entry row in the list of positions. Here, you will see all open and closed positions for the session according to the selected filters.
58. Contextual quick action menu for the selected position. Right-click to quickly open the necessary window for managing the selected position.

• 58.1. A quick opening of the Market Maker window with the selected trading instrument and exchange.
• 58.2. A quick opening of the Time and Sale window, with the selected trading instrument and exchange.
• 58.3. A quick opening of the Chart window, with the selected trading instrument and exchange.
• 58.4. A quick opening of the Advanced Settings of the Portfolio window.

59. The column displaying the name of the trading instrument (options contract)
60. The column displaying the API Key to which the position on the options contract is open
61. Column showing the side of the position (buy or sell).
62. The column shows the number of options contracts open positions. If a short position is opened, the number of contracts is displayed with a minus sign.
63. The column shows the average price of opening a position for each contract
64. The column shows the average price of opening a position for each contract in USD equivalent.
65. The column displays the latest (current) Mark price for the selected option contract. This price is used for PNL and margin calculations and may differ from the last price of the options contract itself to avoid price manipulation. This value does not affect the execution of calculations
66. The column showing the Session Realized profit or loss.
67. The column shows the Session's unrealized profit and loss.
68. The column shows the Session Profit and Loss in settled currency.
69. The column shows the Session Profit and Loss in USD.
70. The column shows the ROI (Return on Investment) of the current position.
71. Initial Margin. The margin is reserved for open positions and open orders. If your margin balance falls below the initial margin requirements, open orders that would increase your position get canceled and you are only able to place orders that reduce your position.
72. Maintenance Margin. The margin required to maintain your current position. If your margin balance falls below the maintenance margin requirements, your position will get incrementally liquidated until the maintenance margin is lower than your margin balance.
73. Delta is a risk measure and gives the change in USD price as the underlying changes.
74. Gamma is a risk measure and gives the change in delta as the underlying changes.
75. Vega is a risk measure and gives the USD change in the option price as for a 1% change in volatility.
76. Theta is a risk measure and gives the change in option price as 1-day passes.
77. The column represents the margining method for each option contract. The column will be CROSS if the gross margin method is selected, or ISOLATED if the isolated margin method is selected.