Help Contents | Back Option Chain Symbol Syntax Most option chain symbols use the same syntax: For example, the fictitious option chain symbol -ZZZLB is comprised of: - a dash (-) - the first three letters of the underlying security's name, which appear in place of ZZZ in the example - a month code, a code for the month the option expires such as L for December Call option - a strike price code, the price at which the option buyer may buy or sell the underlying security such as B for 110 Top Month Codes Month Call Code Put Code January A M February B N March C O April D P May E Q June F R July G S August H T September I U October J V November K W December L X Top Strike Price Codes Code Strike Prices A 5 105 205 B 10 110 210 C 15 115 215 D 20 120 220 E 25 125 225 F 30 130 230 G 35 135 235 H 40 140 240 I 45 145 245 J 50 150 250 K 55 155 255 L 60 160 260 M 65 165 265 N 70 170 270 O 75 175 275 P 80 180 280 Q 85 185 285 R 90 190 290 S 95 195 295 T 100 200 300 U 7.5 - - V 12.5 - - W 17.5 - - X 22.5 - - Top

Page Name: Help - Option Chain Symbol Syntax