 |
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CTS1
|
CQS2
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Nasdaq
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OPRA
|
Transaction Reports Processed
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|
|
|
|
1980
|
18,304,000
|
n/a
|
8,000,000
|
--
|
1985
|
21,754,000
|
|
22,000,000
|
--
|
1990
|
31,333,000
|
|
36,000,000
|
--
|
1995
|
88,774,000
|
|
62,000,000
|
12,000,0003
|
2000
|
312,100,000
|
|
643,000,000
|
42,947,524
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|
|
|
|
|
|
|
|
|
|
|
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Quotations Processed
|
|
|
|
|
1980
|
n/a
|
n/a
|
5,000,000
|
--
|
1985
|
|
30,798,000
|
10,000,000
|
--
|
1990
|
|
59,891,000
|
14,000,000
|
--
|
1995
|
|
128,927,000
|
40,000,000
|
804,000,0004
|
2000
|
|
691,000,000
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1,090,000,000
|
10,949,856,412
|
|
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|
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Rated Capacity
(mps)
|
|
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Trade/Quotes
|
|
1980
|
n/a
|
n/a
|
<1
|
5
|
--
|
1985
|
40
|
50
|
1
|
15
|
--
|
1990
|
40
|
75
|
10
|
52
|
--
|
1995
|
80
|
150
|
80
|
160
|
--
|
2000
|
1,000
|
1,500
|
1,500
|
1,050
|
24,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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Peak Messages
Processed (mps)
|
|
|
Trade/Quotes
|
|
1980
|
n/a
|
n/a
|
--
|
--
|
--
|
1985
|
11
|
22
|
--
|
--
|
--
|
1990
|
21
|
41
|
--
|
--
|
--
|
1995
|
40
|
71
|
20
|
375
|
--
|
2000
|
175
|
376
|
712
|
569
|
5,834
|
Endnotes
1 The data for CTS includes both Network A and Network B.
2 The data for CQS includes both Network A and Network B.
3 This is the number of transactions in options processed by SIAC in 1996, rather than 1995, because this is the oldest available report from OPRA.
4 As with transaction reports, this is the number of quotations in options processed by SIAC in 1996, rather than 1995.
5 The data for Nasdaq quotations includes both Level 1 and NQDS.
http://www.sec.gov/divisions/marketreg/marketinfo/d.htm
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