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Below is are some option quotes taken directly from the CBOE website. I am wondering what the -E, -4, -8, -A, -B, -I, -J etc..that are at the end of the options symbol mean?

Example: AAPL1513C109-E

More examples:

5 Mar 109.00 (AAPL1513C109),13.48,0.0,20.45,20.65,0,51,15 Mar 109.00 (AAPL1513O109),0.08,0.0,0.07,0.10,0,426, 15 Mar 109.00 (AAPL1513C109-4),0.0,0.0,20.45,20.65,0,51,15 Mar 109.00 (AAPL1513O109-4),0.82,0.0,0.07,0.10,0,426, 15 Mar 109.00 (AAPL1513C109-8),9.72,0.0, , ,0,51,15 Mar 109.00 (AAPL1513O109-8),0.83,0.0, , ,0,426, 15 Mar 109.00 (AAPL1513C109-A),10.70,0.0,20.45,20.65,0,51,15 Mar 109.00 (AAPL1513O109-A),1.62,0.0,0.07,0.10,0,426, 15 Mar 109.00 (AAPL1513C109-B),0.0,0.0,20.45,20.65,0,51,15 Mar 109.00 (AAPL1513O109-B),0.66,0.0,0.07,0.10,0,426, 15 Mar 109.00 (AAPL1513C109-E),13.48,0.0,20.40,20.70,0,51,15 Mar 109.00 (AAPL1513O109-E),0.08,0.0,0.07,0.10,0,426, 15 Mar 109.00 (AAPL1513C109-I),0.0,0.0,20.45,20.65,0,51,15 Mar 109.00 (AAPL1513O109-I),0.12,0.0,0.07,0.10,0,426, 15 Mar 109.00 (AAPL1513C109-J),0.0,0.0,18.70,22.20,0,51,15 Mar 109.00 (AAPL1513O109-J),0.0,0.0,0.07,0.10,0,426, 15 Mar 109.00 (AAPL1513C109-O),11.30,0.0,20.45,20.65,0,51,15 Mar 109.00 (AAPL1513O109-O),0.09,0.0,0.07,0.10,0,426, 15 Mar 109.00 (AAPL1513C109-P),0.0,0.0,20.45,20.65,0,51,15 Mar 109.00 (AAPL1513O109-P),0.12,0.0,0.07,0.10,0,426, 15 Mar 109.00 (AAPL1513C109-S),0.0,0.0, , ,0,51,15 Mar 109.00 (AAPL1513O109-S),0.0,0.0, , ,0,426, 15 Mar 109.00 (AAPL1513C109-X),10.45,0.0,20.45,20.65,0,51,15 Mar 109.00 (AAPL1513O109-X),0.13,0.0,0.07,0.10,0,426, 15 Mar 109.00 (AAPL1513C109-Y),0.0,0.0,20.45,20.65,0,51,15 Mar 109.00 (AAPL1513O109-Y),0.0,0.0,0.0,5.00,0,426,=

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This letter (if present) indicates which exchange(s) the option trades at, whereby:
No hyphen or letter present = Composite
A = AMEX American Stock Exchange
B = BOX Boston Stock Exchange - Options
E = CBOE Chicago Board Options Exchange
I = BATS
J = NASDAQ OMX BX
O = NASDAQ OMX
P = NYSE Arca
X = PHLX Philadelphia Stock Exchange
Y = C2 Exchange
4 = Miami Options Exchange
8 = ISE International Securities Exchange

Source: http://www.cboe.com/delayedquote/quotehelp.aspx#chaindata

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  • $\begingroup$ This was hugely helpful. What is a 'Composite' price? $\endgroup$
    – bcf
    Jan 11, 2017 at 21:43
  • $\begingroup$ There is actually 3 more - 3, K, OG, S - anybody has an idea where to find a description to them? $\endgroup$
    – yety
    Sep 23, 2017 at 14:41

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